630.13902 630.13903 630.13909 Kenmore Bosch Dishwasher 58300000150187

8/19/2019 630.13902 630.13903 630.13909 Kenmore Bosch Dishwasher 58300000150187

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630.13902630.13903630.13909

KENMOREDISHWASHERS

Sears Brands Management CorporationHoffman Estates, IL 60179 U.S.A.www.sears.ca

www.kenmore.comwww.sears.comSears Canada Inc.Toronto, Ontario, Canada M5B 2C3



SAFETY

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I. SAFETY...................................................................................... 3

IA. General hazards..........................................................................................................3

IB. Electrical shock / fi re hazards ...................................................................................3

IC. Plumbing / scalding hazards .....................................................................................3

II. INSTALLATION.......................................................................... 4

IIA. Pre-Install checklist ....................................................................................................4

IIB. Al ignment ....................................................................................................................4

IIC. Electrical connection .................................................................................................5

IID. Water connection .......................................................................................................5

IIE. Drain and condensation hose connections .............................................................6

III. OPERATION............................................................................... 7

IIIA. Control layout .............................................................................................................7

IIIB. Features ......................................................................................................................7

IIIC. Entering special programs and coding ....................................................................9

IV. COMPONENTS ........................................................................ 12

IVA. Dishwasher components .........................................................................................12

V. REPAIR .................................................................................... 25

VA.

Disassembly procedures .........................................................................................25

VB. Water valves..............................................................................................................29

VC. Controls.....................................................................................................................29

VD. Heat pumps ...............................................................................................................30

VE. Float (safety system)................................................................................................31

VF. 2-piece drain hose connection ................................................................................32

VG. Drain pumps..............................................................................................................33

VH. Dispensers ................................................................................................................33

VI. Door latches..............................................................................................................34

VI. FAULT DIAGNOSTICS............................................................ 35

VIA. Customer serv ice test program...............................................................................35

VIB. Troubleshooting .......................................................................................................43

VII. TECHNICAL SPECIFICATIONS.............................................. 46

VIII. WIRING DIAGRAM .................................................................. 47



SAFETY

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I. SAFETY

IA. General hazards

Don’t use the dishwasher until it is completely installed. When opening the door on an

uninstalled dishwasher, carefully open the door while supporting the rear of the unit.Failure to follow this warning can cause the dishwasher to tip over and result in seriousinjury.

In some conditions, hydrogen gas can form in a hot water system that has not beenused for weeks. Hydrogen gas is explosive. Before filling a dishwasher from a systemthat has been off for weeks, run the water from a nearby faucet in a well ventilatedarea until there is no sound or evidence of gas.

Temperatures required for soldering and sweating will damage the dishwasher’s baseand water inlet valve. If plumbing lines are to be soldered or sweated, keep the heatsource at least 6 inches (152.4 mm) away from the dishwasher’s base and water inletvalve.

Removing any cover or pulling the dishwasher from the cabinet can expose hot waterconnections, electrical power and sharp edges or points. Handle with care. Alwayswear gloves and safety glasses.

IB. Electrical shock / fire hazards

Don’t allow electrical and water supply lines to touch. Don’t work on an energizedcircuit. Doing so could result in serious injury or death. Only qualified electriciansshould perform electrical work. Don’t attempt any work on the dishwasher electricsupply circuit until you are certain the circuit is de-energized.

Make sure electrical work is properly installed. There should be no loose electricalconnections. Ensure all electrical connections are properly made.

The customer has the responsibility of ensuring that the dishwasher electricalinstallation is in compliance with all national and local electrical codes and ordinances.The dishwasher is designed for an electrical supply of 120VAC, 60 Hz, connected to adishwasher-dedicated, properly grounded electrical circuit with a fuse or breaker ratedfor 15 amps. Electrical supply conductors shall be a minimum #14 AWG copper onlywire rated at 75°C (167°F) or higher.

This appliance must be connected to a grounded metal, permanent wiring system, oran equipment-grounding conductor must be run with the circuit conductors and

connected to the equipment-grounding terminal or lead on the appliance. Don’t useextension cords.

IC. Plumbing / scalding hazards

Don’t perform any work on a charged hot water line. Serious injury could result. Onlyqualified plumbers should perform plumbing work. Don’t attempt any work on thedishwasher hot water supply plumbing until you are certain the hot water supply is shutoff.

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INSTALLATION

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Don’t over tighten the 90° elbow. Doing so may damage the water inlet valve andcause a water leak. Temperatures required for soldering and sweating will damagethe dishwasher’s water inlet valve. If plumbing lines are to be soldered or sweated,keep the heat source at least 6 inches (152.4 mm) away from the dishwasher’s waterinlet valve.

Check local plumbing codes for approved plumbing procedures and accessories. All

plumbing should be done in accordance with national and local codes.These instructions depict an installation method for stainless steel braided hose orPEX hot water supply lines. If using copper tubing or other material for water supply,defer to a licensed plumber for proper installation.

II. INSTALLATION

IIA. Pre-Install checklist

Unpack unit. Retain packing material until installation is successful. Remove

packing material from inside the dishwasher. Inspect parts to ensure you have all the necessary materials. Flush household hot water supply for at least two minutes. Measure the enclosure area. The opening must be at least 34" (87 cm) high and 23-

5/8" (60-61 cm) wide. The opening must be close enough to the sink for water line and drain hose plumbing

access. Unit must be installed close enough to the sink so that drain hose length does no

exceed 92" (234 cm) and a high loop is raised at least 20" (51 cm) above the floor. Wooden openings must be sanded smooth and metal openings must be covered by

a protective gasket.

Is your water heater set at 120°F (49°C) and does water pressure measure 15-145psi (1-10 bar)? If installing in a corner, the dishwasher door must clear cabinet hardware. Determine mounting method based on dishwasher model and countertop type

whether top or side mount.

IIB. Alignment

Carefully place dishwasher on its back to pre-adjust all three feet -- turn feet clockwise toraise or counter-clockwise to lower. Maximum height with feet fully extended is 34.5”Place dishwasher upright, then level side to side and front to back. When done, inserleg leveler locking screw in back foot.

Regardless of countertop surface, mounting brackets are attached on the side ofdishwashers. They are screwed into screw bosses on the side dishwasher frame, theninto the cabinetry.



INSTALLATION

IIC. Electrical connection

Install according to national and local codes.

Carefully place dishwasher on its back to make electrical connections to the terminablock. Turn power off at the fuse box. Extend power cord approximately 21” from theleft side of the opening, and 30” from the back wall, making sure the cord doesn’tcontact any moving parts.

Strip outer casing of electrical wire to expose 2.5" - 3" (65 - 76 mm) of inner wires, thenstrip 1/2" (13 mm) casing from each wire. If plugging the dishwasher into an outletcontact customer service to order approved power cord accessory kit (SGZPC001UC)Insert cord through a strain relief (not included) and install to strain relief plate. Attachwires to terminal block (black – L (hot), white – N (neutral) & green – G (ground)Unscrew terminal screws, but don’t loosen or remove them as they may becomedamaged. Attach wires snugly, but don’t overtighten.

IID. Water connection

Install according to national and local codes.

Carefully place dishwasher on its back to make water connections to the water inlet

valve. Use a 90º elbow fitting with Teflon tape as needed. Don’t overtighten.

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INSTALLATION

Attach the hot water line to the 90° elbow and route it underneath the unit toward the howater connection. Make sure the line doesn’t contact any moving parts.

IIE. Drain and condensation hose connections

Plumbing installations will vary - refer to local codes. The maximum length of the drainhose, including leading to an air gap (if any) is 150" (381 cm). Make sure a high loop israised at least 20" (51 cm) above the floor.

Drain hose has its own adapter – connect directly to plumbing connection and securewith supplied hose clamp. Don’t connect to condensation hose.

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OPERATION

III. OPERATION

IIIA. Control layout

IIIB. Features

Using controls

Wash cycles have dedicated buttons – no scrolling through cycles is necessary.

To start the desired cycle, press the Start button.

Delay Start

Dishwashers have a Delay Start feature to start dishwashers later. Choose awash cycle and press “+” and “-“ buttons until the desired delay time is shown.Once the time elapses, the dishwasher will start normally.

Sanitized and Rinse Aid lights

The Sanitized light comes on after certain wash cycles have finished, showingdishes have been sanitized per NSF standards. Check the Use & Care Guide for your model to confirm which cycles qualify as NSF rated. The sanitizingstandard is based on specific combinations of temperatures and time.

Occasionally the Sanitized light may not light if customer usage may shortenwash programs, such as using hotter incoming water or pre-cleaning dishes.

The Rinse Aid light shows rinse-aid needs to be added.

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CONTROL LOCKHOLD 3 SEC OPTIONS

EST. TIME REMAINING

SANITIZED Turbo

CleanDELAY START

RINSE AID COMPLETEFast

Wash

ChinaGentle

Normal

Wash

Pots &Pans

Smart

Wash



OPERATION

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Turbo Clean

This feature cleans hard-to-clean dishes in the lower rack, eliminating the needto soak and scrub them. It typically adds ~ 20 minutes to the chosen washprogram. Water usage goes up somewhat on some wash programs.

Reset (“Cancel – Reset” )

To reset, press and hold Start button until display shows “0.01” and wait for theend of cycle indicator. To reset dishwasher, press Power button to turn it offafter it stops. Turn the dishwasher on – one of the wash cycles lights will flashshowing the dishwasher has been reset.

Follow the same procedure to change a wash cycles – once the dishwasherhas been reset, choose the new wash program.

Control lock (“child lock” )

This disables buttons while wash cycles are running. Once a wash cycles hasbeen started using the Start button, press and hold the China Gentle button (~ 3seconds) until display shows “CL”. Anytime a button is pressed, the “CL”display will show and the button will have no effect. To deactivate the Controllock feature, press and hold the China Gentle button (~ 3 seconds) until “CL”disappears from the display.



OPERATION

Changing basic features (on selected uni ts)

Features can be changed on the fascia panel.

Entering settings mode

Door must be closed. Press the Power button to turn the dishwasher on.The countdown display and one of the wash cycle lights will flash.

Press and hold the Normal Wash button, then press and release theStart button. When the display shows “d:00 - d:01” (Dry Assist) or “r:00 -r :06” (rinse-aid), release the Normal Wash button.

The display will show “d:00 - d:01” (Dry Assist) or “r:00 - r :06” (rinse-aid) when you’re in the change settings mode. If the display does notshow the option you wish to adjust, press the Normal Wash button toselect the other mode (“d” for Dry Assist or “r ” for rinse-aid setting).

Dry Assist

With Dry Assist, the temperature of the rinse water can be raised and thedrying time increased for improved drying.

When the display shows “d:00” (Dry Assist off ) or “d:01” (Dry Assist on),turn the Dry Assist on or off by pressing the “+” or “-“ button. Press theStart button to save it.

Rinse-aid level

The amount of rinse-aid dispensed is changed on the control panel, notat the dispenser.

When the display shows “r:00” to “r:06”, change the amount of rinse-aiddispensed from “r:00” (off) “r:01” (lowest) “r:02” “r:03” (medium)“r:04” “r:05” “r:06” (highest) by pressing the “+” or “-“ button asneeded. Press the Start button to save it.

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IIIC. Entering special programs and coding

Controls can run customer service tests, show error codes, run sales demoprograms and run factory tests. The same procedure is used to access allprograms – don’t run factory tests.



OPERATION

All programs are listed for questions about unknown codes or displaysoccasionally encountered on dishwashers.

To enter special programs, press and hold China Gentle and Fast Wash buttons, then turn dishwasher on – hold the China Gentle and Fast Wash buttons until the digital display shows “P0”. When “P0” shows on the display,you’re in the 1st special program (error codes).

The digital display shows what special program the dishwasher is in.

Special programs Digital display

Error codes* / Functional test+ P0

Customer service test* P1

High voltage test* P2

Endurance run+ P3

Not used by service

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To scroll through programs, press China Gentle button.

To start programs shown with “*”, press Fast Wash button.

To exit special programs, turn dishwasher off

Programs shown with “+” are started with the Start button (don’t run theseprograms).

Run only programs shown in bold type (error codes, customer service & salesdemo).

Sales demo (showroom) program

Entering sales demo program

Entering special programs – Press and hold press and hold China Gentle and Fast Wash buttons, then turn dishwasher on – hold the China Gentle and Fast Wash buttons until the digital display shows “P0”. When “P0”shows on the display, you’re in the 1st special program (error codes).

Selecting sales demo program - Press China Gentle button to scroll tocustomer service test program. The digital display will show “P7”.

Not used by service

UL program*

Showroom (sales demo)*

P5

P6P7

P4



OPERATION

Using sales demo program - Press “>” button to start the sales demo modeprogram. The digital display will always show “1:23”. Pressing buttons willturn the corresponding wash cycle light on.

Exiting sales demo program - Press and hold “>”and Delay buttons, thenturn dishwasher off to exit program. Pressing on/off button during salesdemo program shows how dishwasher resets, but does not reset

dishwasher, turn dishwasher off or exit sales demo program.

Sales demo program*

Digitaldisplay

P7

Preparing a dishwasher for showroom use

Unlike with traditional dishwashers, do NOT disconnect drain pumps whenusing sales demo programs. Dishwasher controls run safety checks – if drainpumps or heat pumps are disconnected, dishwashers will NOT run.

No disconnections are needed – just add one (1) gallon of water (with a 1/2capful of bacteria stat) to dishwasher tanks -- do NOT add bleach.. Heat pumpswill run and lights will light when program buttons are pushed. Drain pumps donot run. It’s not necessary to plug drain hoses, but it’s a good practice toprevent any possible water leakage.

Dispenser

Closing and opening dispenser doors

Slide door forward and press down firmly until

you hear a click.

Push the button as shown.

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COMPONENTS

IV. COMPONENTS

IVA. Dishwasher components

Tank wi th base and sump

The tank, base and sump are assembled as one unit and aren’t available as aservice part. If plastic cable holders, part holders and screw holes are damagedor stripped, the entire dishwasher must be replaced.

Rear leveling foot

The rear leveling foot can’t be adjusted from the front – the rear foot is the sameas front feet and is adjusted the same way. The base has provision for two rearfeet in the rear corners, but the center foot factory mounting should be used.

Factory feet positions have provisions for set screws (in installation parts bag).Outside rear positions don’t have set screw positions and shouldn’t be used.

Heated circulation pump (heat pump)

There’s no flow-through heater, flow switch or Hi-Limit cutout – the circulationpump has a flow-through heated cylinder. The 120 VAC, 1200W heatercylinder provides more heating surface area and heats water slightly morequickly than traditional flow-through heating elements (~ 2ºF/minute). Thecirculation pump (portion) has a 3-pole BLDC motor controlled by the power(control) module. The dishwasher won’t run if the heat pump is disconnected ordisabled.

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Right rearadjusting foot

Center rearadjusting foot

Center rear foot set screw hole



COMPONENTS

The heat pump is accessible from the bottom or the back, but is best accessedfrom the bottom.

Float

The float is a safety device which starts the drain pump if there’s too muchwater in the tank.

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Sump

Pump Pump

Sump Pump access

Heating elementSeal ring

Float Float cover

(on insideof tank)

Pump suspension strap



COMPONENTS

Drain pump

The BLDC 9-vane drain pump has variable speed and direction. The powercontrol module controls speed and direction, detects end of draining andblocked rotor and corrects locked rotor conditions. The dishwasher won’t run ifthe drain pump is disconnected or disabled.

To remove the drain pump, rotate it clockwise and pull it out.

Solving installation issues

Often improper installations, not drain pump issues, cause dishwashers to notdrain properly.

Must have drain hoses with high loops (min. 20” high) or drains withair gaps.

Drain hoses are 6’ long and can be up to 10’ long.

Secure drain hoses to rear of dishwashers with non-metal bands.

Make sure drain hoses aren’t kinked.

Cavitating

Cavitating may occur in any type of pump when impellers spin faster (from lowinlet or outlet pressure), creating air pockets around impellers. Cavitatingpumps can be noisy. Air gaps/high loops keep water contacting pump outlets,preventing air pockets from forming.

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COMPONENTS

Siphoning

Siphoning may occur in any type of drain pump when low water flow allows asiphon (suction) to develop, pulling waste water back into the pump. Sumpcheck valves along with air gaps/high loops prevent siphons from being created.

Water inlet / condensation system

Dishwashers use a common water inlet and condensation system. Instead offeeding water into the bottom of the tank, dishwashers fill into the left side of thetank. Instead of condensation exiting from the right side of the tank, it exits theleft side of the tank through the water inlet.

There are three hoses connected to the water inlet system, the water inlet hose(from the water inlet valve), condensation (breather) hose and internal drainhose. The internal drain hose has a factory made high loop (~ 15” above thefloor) and connects to the external customer drain hose.

Dishwashers use a time-fill.

Maximum customer (external) drain hose length is 92”.

Water inlet system and hoses are shown below.

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Condensationtube

Waterinlet

Drain hose

Inlethose



COMPONENTS

Drain hose high loop and left side condensation exit are shown below.

Door spring

The door spring mechanism is simple, requiring no pulleys or cords. A longnarrow spring connects between the base and hinge lever (using a plasticconnector) to provide proper tension.

The spring has loops at both ends and connects to a long slot in the base.Springs are color coded for specific tensions.

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COMPONENTS

Door latch

The door latch is mounted on top of the tank and doesn’t contain a microswitch.It uses a Hall-effect sensor in the door to sense when the door is open orclosed. The Hall-effect sensor is held by two T-10 Torx screws. The door latchis held by one T-20 Torx screw and two tank tabs.

Water inlet valve

Dishwashers use standard horizontal coil water inlet valves with (Rast 5)connectors. The valve nestles in the left side of the base and is held into placewith two screws.

When reconnecting the water supply to the water valve, don’t overtighten the

elbow fitting.

Using Teflon tape on water fittings can help prevent leaking.

The water valve can be accessed without removing outer door or basecover. However, removing them will provide easier access.

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Hall effect sensor

Hall effectsensor

Doorlatch



COMPONENTS

Terminal block

Terminal blocks clearly show line (L), neutral (N) & ground (G) connections.Dishwasher wire harnesses have spade terminals which connect to terminalson the rear of the terminal block.

Terminal blocks can’t be installed in the field – the terminal box assy withterminal block must be ordered. The terminal box assy assures the terminalblock is properly grounded to the terminal box.

Terminal box

All dishwashers have terminal boxes with covers and conduit exits.

Drain hose

Dishwashers use a two-hose (internal / external) drain hose system. Acustomer (external) drain hose (during installation) is connected to the internaldrain hose, with the 90º elbow pointing toward the customer drain. The externaldrain hose connects directly to the customer drain system without an adapter.

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COMPONENTS

Dispenser

The dispenser, located in the middle of the inner door, reliably dispensesdetergent and rinse-aid.

During each wash program, the dispenser operates twice, once to dispensedetergent and again to dispense rinse-aid. HINT: The amount of rinse-aiddispensed is changed on the control panel, not at the dispenser.

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Coil

Actuator

Rinse-aidpump

Releaselever

Coil

Actuator

Rinse-aidpump

Opticalrinse-aid

sensor

The coil moves the detergent cover actuator and is powered by 160 VDC pulsesfrom the control. When the coil is switched on, the actuator moves to the left(see the drawing on the right). The actuator is connected by a plastic lever tothe detergent cover release lever. When the actuation lever turns, thedetergent cover opens.

A “latching mechanism” between the coil actuator and rinse-aid valve preventsrinse aid from being dispensed when the coil is initially actuated. After thedetergent cover has opened, the mechanism changes position like a ballpoint

pen (when it’s clicked), preventing the detergent cover from moving andallowing the rinse-aid pump to dispense rinse aid.

Each 160 VDC control pulse dispenses 1 ml of rinse aid. The total amount ofrinse-aid depends on the dispenser setting. A vent equalizes the pressure inthe dispenser so rinse-aid is dispensed accurately.

The actuator is “reset” when the detergent door is opened so the detergentcover opens first the next time the coil is activated.

Detergent tablets dissolve more slowly if there’s moisture left in the detergentdispenser. Two plastic ribs in the detergent cup prevent detergent tablets from“sticking” to the cup.



COMPONENTS

CAUTION: Inner door edges are sharp! Cover door edges and removedispenser carefully.

Optical rinse-aid sensors

Optical rinse-aid sensors determine if rinse-aid is present using a light beam

and sensor.

With rinse-aid present, the opticalreceiver senses a diffused lightbeam.

When rinse-aid has run out, theoptical receiver senses a stronglight beam.

TIP: It’s possible for some clear rinse-aid brands to not diffuse lightadequately to show rinse-aid isn’t needed.

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m



COMPONENTS

Aqua sensor

The aqua sensor is located above the drain pump. It’s a one-piece assembly(i.e. not a small circuit board pulled out of a plastic housing). It senses watercleanliness and allows the dishwasher control to determine removing cycles tosave energy.

.

If water is clean enough, it will be kept for the wash cycle. If not, the aquasensor directs the dishwasher to add an additional pre-rinse or pre-wash cycle.

Dishwashers still operate adequately if aqua sensors fail. Customers will onlynotice aqua sensors failing if they see their dishwashers running slightly longeror their electric and water usage getting slightly higher.

Display and power modules

Dishwashers have two controls, a display module (with display, lights & buttons)in the fascia (control) panel and a power module in the base on the right side.

The power module controls the BLDC drain pump and heat pump.

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Power module

Display module

Aquasensor

Drain pumpport

Heat pump



COMPONENTS

Hose system

Several hoses run underneath dishwasher bases: internal drain hose,condensation tube and water inlet hose. The internal drain hose connects tothe sump and the other hoses connect to the water inlet / condensation system.

The condensation tube attaches to the base – don’t connect it to a drain.

Backflow (check) valve

The backflow valve is located inside the sump at the internal drain hose inlet. Itprevents waste water from entering the sump.

TIP: When washability issues arise, replace check valve along with otherrepairs.

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Back flow valve

Flap

Condensationtube exit

Inlet hose

Internaldrain hose

Condensationtube

Condensation tube

Inlethose

Internaldrain hose



COMPONENTS

Sump parts

The sump contains a filter screen, coarse filter and micro filter.

Micro filterCoarsefilter

Filter screen

Micro filter

Coarse filter

Filter screen

The sump holds the drain pump cover and suction cap. The suction capprovides a proper flow rate of water through the sump.

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Suctioncap

Drain pump cover



COMPONENTS

Operation

Water circulation

The heat pump pumps water from the sump through a triple filter system to theheater. When water enters the heater, a sensor determines water is presentand allows the heater to be activated. As water flows, it’s heated until it reachesthe pre-set temperature determined by the cycle. Once it leaves the heat pump,it flows through the sump into the upper and lower spray arms.

Serial label (warranty information)The serial label, located on the right side of the inner door, contains thedishwasher model, serial and index (KI) #’s.

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Repair

V. Repair

VA. Disassembly procedures

Use the following disassembly procedures to access parts such as fascia panelsheat pumps, float switches and drain pumps.

To remove outer door

Tools needed: T20 Torx screwdriver .

1. Remove six T-20 Torx inner door screws below fascia panel -- three perside (1).

2. Carefully pull bottom of outer door out from dishwasher until top doortabs clear, then pull door down until it releases from dishwasher (2).Take care to not scratch outer door.

TIP: Foam door guards don’t need to be removed from doors.

NOTE: Outer doors don’t need to be removed when dishwashers are flippedupside-down or when fascia panels are removed, but can be if it makesrepairs easier.

To remove toe kick

Tools needed: Phillips screwdriver .

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1. Remove two Phillips screws and tilt toe kick out from dishwasher.



Repair

To flip dishwasher for front & bottom access

Flipping the dishwasher on it’s back or upside-down provides easy access tobase mounted parts such as the water valve, sump, float, heat pump, drainpump, aqua sensor, backflow (check) valve and junction box.

Tools needed: T20 Torx screwdriver, Phillips screwdriver and pliers.

1. Turn off water and electricity. Disconnect dishwasher mountingbrackets (1).

2. Remove toe kick by removing two Phillips screws and tilting toe kickout from dishwasher (2).

3. Disconnect water line and electric supply (3).

4. Pull dishwasher out, place a pad or cardboard on the floor and carefullyflip the dishwasher upside-down or on it’s back (4).

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Parts access when dishwasher is flipped on it’s back.

To remove fascia panel

Remove six (6) fascia panel screws from top of inner door, then lift fascia paneout from door without damaging wire harnesses. Six (6) inner door screws aredifferent, so don’t mix screws when removing fascia panel and inner door.

Drain pump

Heatpump

Water valve

Float

Sump J-box



Repair

Dishwashers have separate (short) on/off switch and control wire harnesses heldin fascia panels by connectors. To remove connectors, pull up from fascia panel.

Remove handle trays (S36KMK) before removing controls. To remove bothcarefully pry in plastic clips.

Left side access

The water inlet system, condensation (breather) hose, water inlet hose and

internal drain hose are accessible from the left side.

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Prying handletray clips

Handle tray

Display

Connector Connector

On/off switchharness

Displayharness

Display

On/offswitch



Repair

Right side access

The power module is accessible from the right side.

To remove power module

Tools needed: Small blade screwdriver .

1. Two plastic base tabs hold the power module in place. To remove power

module, gently bend tabs until they clear module, move bottom ofmodule (in toward heat pump) until it clears base and pull module frombase.

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CAUTION – 75% of all controls returned

for analysis check out OK. Most controlissues are due to loose connections.

Pulling bottom ofpower module in

toward heat pumpto remove module.

Up

Right (rear) tabLeft (front) tab

Up

Power module

Viewing frombot tom inside

Power module

Up

Up



Repair

VB. Water valves

Access the water valve from the front of the dishwasher base by removing thetoe kick.

To remove water valve

Tools needed: T20 Torx screwdriver, wrench & pliers.

1. Remove toe kick – see section VA.

2. Disconnect water line.

3. Remove two T-20 Torx screws from water valve.

4. Pull valve out from dishwasher and disconnect terminal connector,ground wire and water hose from rear of valve. Remove any water fromsump & base.

Connection hints:

Water connection 3/8” NPT female. Inlet water pressure range 5 - 120 psi(0.3 – 8.27 bars).

When reconnecting the water supply to the water valve, don’t overtighten theelbow fitting. The plastic in the valve may crack and cause leaking ifexcessive force is used.

Using Teflon tape on water fittings can help prevent leaking.

VC. Controls

Fascia panel mounted controls

Controls are easily removed from fascia panels by gently bending plastic tabs.

Tools needed: T-20 Torx & flat blade screwdrivers.

1. Remove fascia panel – see section VA.

2. Disconnect wire harnesses from control after noting connector locations.

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3. Carefully pry back plastic tabs, then slide control from fascia panel. Startprying clips from one side and gently lift control as you pry clips from oneside to the other.



Repair

When reassembling fascia panels to doors, make sure fascia panel tabs insertouter door slots.

Pulling out controlPrying control tabs

VD. Heat pumps

Disconnect support strap and wire harnesses. Either unscrew (4) screws toseparate adapter from base or remove hose clamp to separate pump fromadapter. The seal ring can’t be field removed from the heat pump. To removepump, slide pump off sump at seal ring.

Replacement heat pump comes with motor, pump, seal ring and hose clamp.

Motor can’t be separated from pump and seal ring can’t be field installed.

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Seal ring

Adapter

CAUTION – 75% of all controls returned

for analysis check out OK. Most controlissues are due to loose connections.



Repair

VE. Float (safety system)

The float is best accessed from the bottom. Several plastic pieces snap intoplace and must be carefully removed in sequence.

Unscrew the one housing screw, then squeeze cover tabs to lift up cover from

float assembly. Cover can be snapped from hinge on float assembly.

Float lever has tabs which lock onto the knob of the push rod. Carefully pry thetabs away from the push rod knob, lift up the lever and pry the lever from itshinge.

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Repair

Lift up float housing with microswitch from base.

VF. 2-piece drain hose connection

Drain hoses come in two pieces, an external (customer) drain hose and aninternal drain hose. The 90º elbow of the external hose is connected to theoutlet of the internal hose (pointing toward the drain) and is held in place by a

hose clamp.

To remove the internal drain hose, remove two white plastic hose locks...at the

outlet where the external drain hose connects to it.

...and at the inlet where it connects to the sump.

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Drain hose lock

Drain hose lock



Repair

VG. Drain pumps

Tools needed: Phillips screwdriver .

1. Remove toe kick -- section VA.

2. To remove the drain pump, rotate it clockwise and pull it out.

VH. Dispensers

Dispensers can be accessed from the front by removing the outer door.

Tools needed: Small flat blade and T-20 Torx screwdrivers.

To remove dispensers

1. Remove outer door -- section VA.

2. Disconnect wire harnesses and remove cable guide from dispenser.

3. Using a small flat blade screwdriver, push the inner door tabs holding thedispenser.

4. Open the inner door, grasp both sides of dispenser and carefully push

the dispenser in toward the inside of the inner door.

CAUTION: Inner door edges are sharp! Cover door edges and removedispenser carefully.

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m



Repair

VI. Door latches

The door latch is mounted on top of the tank and doesn’t contain a microswitch.It uses a Hall-effect sensor in the door to sense when the door is open orclosed.

To remove door latch Hall effect sensor

1. Remove fascia panel -- section VA.

2. Disconnect wire harness from sensor.

3. Remove two T-10 Torx screws and remove sensor from inner door.

To remove door latch

1. Remove frame stiffener from top of tank.

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2. Remove one T-20 Torx screw, rotate left side of latch up from tank tabsand remove latch from tank.



Fault Diagnostics

VI. Fault Diagnostics

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VIA. Customer service test program

Entering special program mode (error codes and test program)

To enter special programs, press and hold China Gentle and Fast Wash buttons, then turn dishwasher on – hold the China Gentle and Fast Wash buttons until the digital display shows “P0”. When “P0” shows on the display,you’re in the 1st special program (error codes).

Entering error codes program

To start error codes program, press Fast Wash button. To exit specialprograms, turn dishwasher off.

Holding the Fast Wash button shows the file where an error code is stored (e.g.“C:00 C:07”). Releasing the Fast Wash button shows the error code “E:00 E:32”) – see next page for error codes.



Fault Diagnostics

Fault (error) code displays

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volume flow too lowvolume flow too high

resistance too high



Fault Diagnostics

Error code troubleshooting

Error codes can be used to diagnose specific part issues.

No failures

Power control module

Digital display

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Powermodule

Digital display

E:01 BLDC control

Power module BLDC controllerfailed, functional safety error.

Replace power module

E:02 Working relay error

Power module working (primary)relay failed, safety (backup) relayrunning dishwasher.


E:03 Working and safety relayerror

Working (primary) relay and

safety (backup) relays failed. Replace power module

E:05 Impulses withoutactivation

E:00 No failures



Fault Diagnostics

Door latch

Digital display

E:06 Sensor error

Door latch sensor not detected,

functional safety error.

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Sensor (at topof inner door)

Sensor locatedunder tray

Door latch (on tank)

Align door latch above sensor(located inside inner door).



Fault Diagnostics

Heating (heat pump)

Digital display

E:08 No load in heat pump

No water in heat pump

Check water supply

E:09 Burn through / safety relayerror

Power module controlling relay notswitching / stuck closed


E:10 Resistance too high

Heater resistance too high

Replace heat pump

E:11 NTC1 / NTC 2 failure(absolute / symmetry)

NTC1 to NTC 2 internal checkfailed, functional safety error.

Replace heat pump

E:12 Heater NTC’s comparisoncheck failed

Heater NTC’s have different

resistances

Replace heat pump

E:13 Water temperature too high

Boil protect level (75ºC / 167ºF)exceeded, functional safety error.

Replace heat pump

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Fault Diagnostics

Water filling failures

Circulating (heat pump)

Digital display

E:14 Flow meter error

Code not used (no flow meter)

E:15 Water in base

Code not used (bases are open)

E:16 Volume flow without activation

Code not used (no flow meter)

E:17 Volume flow too high

Water volume too high, safety floatactivated

E:18 Volume flow too low

Water volume too low, heat pumpmotor load too low.

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Digital display

E:20 Heater error

Heater system check failed,functional safety error.

Replace heat pump

E:21 Blockage

Heat pump unable tocirculate and clear blockage.

Replace heat pump

Check water supply



Fault Diagnostics

Drain pump

Water switch

Aqua sensor

Customer fault (error) codesSome error codes can be seen by customers. Viewing the error code (DisplayFailure Memory) chart, the last two columns (under “Customer Failure display”)show error codes seen by customers in the digital display. The first twocolumns (under “Customer Service Failure display”) show error codes seen inthe error code program. Error code displays are identical – the only differencebeing some service error codes (e.g. E:08, E:16) can’t be seen by customers.

Digital display

E:23 Coil error

System check of drain pump motor

coil failed, functional safety error.

Replace drain pump

E:24 No drain flow possible

Drain pump is running but unableto remove the water, drain systemblockage.

Check for blockage of drainhose

E:25 Blockage

Drain pump unable to rotate,attempts to clear failed.

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Digital display

E:28 Calibration failure

Aqua sensor failed to calibrate

Digital display

E:26 Reference cam not detected

Code not used (no water switch)

Check for debris at drainpump



Fault Diagnostics

Clearing fault (error) codes

To clear error codes, run the customer service test program.

Entering customer service test program

To enter customer service test program (from error code program “P0”), pressChina Gentle button once. Digital display will show “P1”. To start program,press Fast Wash button. To skip a step, press China Gentle button – not allsteps can be skipped. To exit special programs, turn dishwasher off.

Viewing customer service program

Digitaldisplay Special programs

P0Error codes* / Functional test+

P1Customer service test*

Customer Service Program

Step

Displayed

step Action

Can advance

step Time Temperature

Water

amount Remarks

0 0 Check Coil no -- Checks pumps and other components

(when switched on)

1 0 Drain Pump 15s Drain pump OK

2 1,2 Filling partly 72s 3.0 L Checks if water level above filter level

3 3,4 Pause yes 10s Checks water level

4 5,6,10,11 Drain Pump yes 20s empty Sump base completely empty

5 12,13,14 Filling + Main Pump no 96s 4.0 L Checks if water level at top of coarse filter -

main pump starts at displayed step 13

6 15 Main Pump + Soap

Dispenser

yes 10s

7 16 Main Pump + Aqua

Sensor Calibration

partly 110s

8 17 Main Pump + Heating 104°F9 18 Pause yes 5s

10 19 Main Pump yes 5s Start main pump

11 20 Main Pump + Rinse

A

yes 60s # of dispenser coil impulses = rinse agent

settingent + Heating g

12 21 Main Pump + Heating yes 149° F About 2.5°F/min

13 22 Main Pump yes 15s

14 24 Drain Pump no -- Displays "0" when done

Hint: If a failure occurs the program goes on, stops or ends according to the failure handling.

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Remark: Filling can not be stepped over



Fault Diagnostics

VIB. Troubleshooting

Dishwasher troubleshooting

Two NTC’s protect the heater. Both NTC’s are checked by the control – if theyoverheat, the control shuts down the dishwasher (E:08 error code). Thedishwasher shuts down if only one NTC returns a signal (E:12 error code) or ifthey show different values (E:11 error code).

Heat pump terminal measurements

There are two connectors, 7-pin and 3-pin.

7-pin connector (heater / NTC’s / pump ground)

The 7-pin connector connects to the heat pump heater, NTC’s andground.

3-pin connector (3-pole BLDC motor)

The 3-pin connector connects to the 3-pole BLDC motor. The powercontrol module controls motor speed, starting and stopping.

Drain pump

There is a single 3-pin connector, connecting to the 3-pole BLDC pump motor.

Resistances as follows:

1 – 2: 89.6 Ω (@ 68 ºF)2 – 3: 89.6 Ω (@ 68 ºF)3 – 1: 89.6 Ω (@ 68 ºF)

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7

Pump Motor

6 5 4 3 2 1

7 – NTC 1 6 – NTC common 5 – NTC 2 4 – Line (hot) 3 – X1 (heater common) 2 – Neutral 1 – Ground



Fault Diagnostics

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Water Leaking Past Doors

Water seldom leaks out of bottom of dishwasher doors. Usually it’s a customeror installation issue. Occasionally air pockets (from standing water in loops) orkinks in condensation tubes block condensation tubes and cause leaking.Pressure builds in tanks, blowing water past lower door seals (usually at start ofcycles). Draining condensation tubes and straightening out kinks solves these

occasional problems.

Checklist if water leaks past doors:

Make sure condensation tubes are inserted into bases, not connected todrains or air gaps.

Clear and drain condensation tubes, including debris in bases.

Straighten kinks in condensation tubes.

Educate customer on oversudsing (from too much detergent/rinse-aid oroverly soft water).

Level dishwasher before attaching under-counter brackets.

Replace damaged door seals, including replacements cut too short.

Refill lower racks overfilled with dishes.

Move flexible cutting boards to left side of dishwasher.

Cosmetic / Customer Use / Installation Issues

Not cleaning or locking sump filters.

Smelly dishwashers -- Often occurs from filters not being cleaned, drainhose high loops missing or drain gases being present. If all else is OK, thenproblem can be preservative not purged from tank door gasket.

Doors leaking or not latching -- Usually an installation issue (dishwasherbrackets installed before dishwashers are leveled front to back, tanks &doors out of square, wooden doors not drilled accurately). Can be blockagein condensation tubes or condensation tubes connected to drain hose airgaps.

Inner door damage -- From upper rack during improper shipping andhandling (dishwashers clamped on wrong sides or dropped).

Doors hit toe kicks -- Toe kick installation issue.

Junction boxes -- Comes from wires not being connected correctly duringinstallation.

Dispensers -- Customers using too much detergent, not using rinse-aid &not knowing how to close the door.

Drain hoses not installed properly -- Often no air gap or high loop +pinched hoses -- causes poor draining & smelly dishwashers. Most drainpumps are mistakenly replaced for drain hose installation issues.

Outer doors -- Most are dinged during shipment.



Fault Diagnostics

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Damaged water valves -- Primarily from fittings being overtightened. Adamaged valve can allow some water onto kitchen floors.

Customer self-help diagnosing

Dishwashers may occasionally exhibit problems unrelated to a dishwasherfailure. The following fixes can be made by customers without calling for repair.

Dishes do not dry -- The rinse agent dispenser may be empty. Check therinse-aid dispenser and refill it if necessary. Dishware drying can beaccelerated and enhanced by opening the dishwasher door slightly andpropping it open with the top rack.

Indicator light(s) do not come on -- A fuse may have blown or a circuitbreaker tripped. Check the fuse or circuit breaker at your fuse box/breakerbox and replace the fuse or reset the breaker if necessary.

Dishwasher does not start -- The dishwasher door may not be properlyshut. Make certain the dishwasher door is shut and latched.

Dishwasher runs a long time -- If the dishwasher completes the cycle, butthe run time seems exceptionally long, it may be due to cold incoming water.Before starting the dishwasher, open the hot water faucet at the sink nearestthe dishwasher. Run the water until it runs hot, then turn off the water andstart the dishwasher.

Machine cycle does not advance to rinse -- The water supply line may beshut off. Check the water supply valve and open it if it’s shut.

White spots left on dishes -- More rinse agent is needed.

Water not pumped from dishwasher –

o Make certain the drain hose isn’t kinked, clogged, or improperlyinstalled and is at least 20 inches above the floor.

o Make certain the dishwasher filter system and kitchen sink drainaren’t clogged. You may need a plumber rather than a serviceman forthe dishwasher. If an air gap is installed at sink, it may be clogged.

Detergent dispenser cover will not shut – The cover may not have beenshut correctly or a cycle was not finished and should’ve been cancelled.

Streaks on glassware -- Too much rinse agent is being dispensed.

Rattling noises -- Utensils may not be properly arranged.

Suds in dishwasher – The customer may have used the wrong type ofdishwashing detergent. Use only automatic dishwasher detergents.

Unsatisfactory washing results

o Incorrect amount of detergent.

o Utensils incorrectly arranged or rack overloaded.

o Spray arm rotation blocked by utensils.

o Spray arm nozzles need cleaning.

o Filters not properly fitted into position.

o Unsuitable cycle selected.



Technical Specifications

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VII. Technical Specifications

Dishwasher ratings – 120 VAC, 60 Hz, 12 A, 1450 W

Heater ratings – 120 VAC, 1200 W

Circulation pump – 120 VAC, 80 W, 3-pole BLDC, class F insulation

Drain pump – 3-pole BLDC, 35-65 Hz, 0.19A, 20W, class F insulation

Max drain hose length – 92” (no extension kit available)

Heating rate – 2°F/minute 1200 W (same as current dw’s)

Noise rating – 52 dB



Wiring Diagram

VIII. Wiring Diagram

Documents

630.13902 630.13903 630.13909 Kenmore Bosch Dishwasher 58300000150187