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Samsung Symptom Guide Redo washer.pdf
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- 1/12 -
Step 1 Leakage from Diaphragm of the unit
Check if water leaks from Diaphragm of lower door
Check the customer usage condition
Case#1 Water leaks due to hair & lint.
Case#2 Damage due to pet dog & sharp accessories
Case#3 Jamming when laundry is put in.
Check the deformation or damage of diaphragm
Explain customer how to use washer. Replace Assy Diaphragm
Step 2 : Leakage from underneath of the unit
Check if water leaks from between tub front and
diaphragm or underneath
- Check for water leaks in front of the tub
(Common issue regarding WF42H5*** Model)
Check if hose was damaged or torn Check if hose drain(I) was disconnected
Replace Assy Diaphragm
Replace damaged Hose Reconnect the hose properly
Check Point
Symptom Guide [Front Load] Water Leakage
Clean hair. Clean Door-Glass.
- 2/12 -
Pump Case damage Check if water leaks from pump case All hoses connection to pump should be checked Check Drain Filter If Drain Filter is not assembled properly when opening / closing it for cleaning Sand & tiny foreign substance, etc, in laundry accumulate in drain filter: thus: water is not drained.
Replace pump case if it was broken Reconnect hose to pump Explain customer how to assemble filter when opening/ closing filter for cleaning Explain how to clean drain filter
Step 3 Leakage from rear of the unit
Check if water leaks from Water Valve
- Check if the end of water supply valve is scratched in
the installation process.
- Water supply valve body is damaged; and thus water leaks.
Check if water leaks from hose water - Check if water leaks from Y-Joint unit. . Apply more Seal Taping to water-supply parts
Replace Water Valve Replace Hose Water
Check Point
Symptom Guide [Front Load] Water Leakage
Filter assembled wrong
- 3/12 -
Step 1
Check the resistance of Door-Lock s/w
- Check the resistance of coil Pin1-2(Locking) and
2-3(Unlocking) of door-lock s/w
( The resistance is approximately 55.8 ~ 68.2 )
Replace Door-Lock S/W if the resistance is not normal
Step 2
Check Main PBA (AC Voltage) - Locking : (110V ~120V) . Check the voltage at Black wire of CN10 and White wire of Power relay. during door is locked. - Unlocking . Check the voltage at White wire of CN10 and White wire of Power relay during door is unlocked. Check Wire Connection
Replace Main PBA if AC Voltage is not normal. Reconnect wire harness
Step 3
Check Frame Front (Important) - Door-Lock S/W may not lock when there is an interference due to modification of the door-lock s/w along the front frame (Common Issue regarding WF42H5*** / WF45H6***)
Replace frame front Affective production range : Produced From Jan 14 to July 14
Check Point
Symptom Guide - [Front Load] Door is not locking/unlocking
OK NG
Locking Position Unlocking Position
- 4/12 -
Step 1
First of all, in order to make sure
unit is experiencing 1E Error
please follow the procedure as right side
(Enter the diagnostic mode from
the service mode )
Check the resistance of Pressure sensor
(Common Issue regarding WF42H5*** )
Replace the Pressure Sensor if the resistance is not normal . Pin 1-2 : Open . Pin 2-3 : Open . Pin 1-3 : Short (Approx. 20~40)
Step 2
Check the signal from Pressure Sensor to Main PBA - Check the voltage at Pin1-2 and Pin 2-3 (Normal Voltage : DC 1.7 ~ 5V)
Replace Main PBA if DC Voltage is not normal.
Step 3
Check Wire Connection
Reconnect or Replace Wire Harness
Check Point
Symptom Guide - [Front Load] 1E (Pressure Sensor Error)
Normal : DC 1.7V~5V
- 5/12 -
Step 1 Liquid defergent Container
Check whether water is remaining in the liquid
detergent container
(Common Issue regarding WF42H5*** )
Replace Guide-Liquid(M) and Cap Drawer
Step 2 Rinse Container
Check whether rinse is not dispensing or Water is remaining in Rinse drawer
Replace Assy Drawer & Assy Housing Drawer.
Step 3 Bleach Container (Affective Model : WF42H5***)
Check whether water is remaining in the bleach
container or bleach is not dispensing.
(Common Issue regarding WF42H5*** )
Replace Assy Housing Drawer. and Main PBA (Check S/W Ver.) S/W Version : 7t14-->7t20
Check Point
Symptom Guide - [Front Load] Detergent Drawer Issue
Hole added Rib added
Hose is divaricated on bleach valve Hose is divaricated on Main Valve
- 6/12 -
Step 1 8E1 Error (Mems IC Error located on PBA)
- Affective Model : WA400**,422***,45H7000**
Check the wire harness on Main PBA
If no problem then, Replace Main PBA
Replace Wire Harness Replace Main PBA
Step 2 8E2 Error (Mems sensor Error located on Tub)
Affective Model : WA456**,45H7200**,48H7400,
WA50F9A***, WA56H9***
Check the assembly condition of Mems Sensor Check the wire connection or damage Check the signal from Mems Sensor to Sub PBA - Check the voltage at mems signal wires of CN6 after disconnecting connector. (Normal Voltage : DC 1.7 ~ 5V) But the color of mems wire may vary by model as followings WA50F*** : Red and Blue WA45H7200** : Red and Pink WA48H7400** : Red and Blue WA56H9*** : Red and Orange WA456*** : Red and Orange
Replace front frame Reconnect or Replace the Wire Harness Replace Mems Sensor If the signal of Sub PBA is ok. Otherwise, replace Sub PBA
Check Point
Symptom Guide - [Top Load] Mems Sensor Error (8E1 / 8E2)
- 7/12 -
Check Point
Symptom Guide - [Dryer] Unit is not Heating
Step 1 Check the Installation Condition
Check the voltage at Terminal block
- Check the voltage at each terminal for normal operation
Abnormal Condition
- If the voltage at power and motor
unit will be no power
Go to the next page for more procedures.
Check the terminal block of customer outlet if the voltage is wrong Normal : AC 110V ~ 120V
L2 N L1
Normal : AC 110V ~ 120V
L2 N L1
Normal : AC 220V ~ 240V
L2 N L1
Abnormal : O V Abnormal : O V
< Heater > < Power and Motor> < Main Power >
< Heater > < Power and Motor>
- If the voltage at power and motor
unit will be no power
- 8/12 -
Check Point
Symptom Guide - [Dryer] Unit is not Heating
Step 2 Check the Main PBA
Check the Main PBA
- Check the voltage at Black wire of RY7 and
Brown wire of CN1
- The voltage will be approx. AC 1.5V~3V during
standby and changed as the next following pictures.
- It is normal condition of voltage change during heater operation. - It is abnormal condition of voltage during heater operation.
Replace PBA Check the Assy Heater element. (Refer to next page)
Standby : AC 1.5 ~ 3V
Abnormal Condition : Approx. AC 5V 112V
Normal Condition : Approx. AC 116V 112V
RY7 CN1
- 9/12 -
Check Point
Symptom Guide - [Dryer] Unit is not Heating
Step 3 Check the Assy Heater
Check the Heater
- Switch the meter to continuity mode to check heater
If it sends out beeping sounds, Heater is ok .
Check the thermostat 2
- Switch the meter to continuity mode to check the
thermostat 2
If it sends out beeping sounds, Thermostat2 is ok.
Check the thermostat 3
- Switch the meter to continuity mode to check
thermostat 3
If it sends out beeping sounds, Thermostat3 is ok.
Replace Assy Duct Heater
If there is no continuity
(Part Code : DC93-00154A) Replace thermostat 2
If there is no continuity
(Part Code DC47-00018A) Replace thermostat 3
If there is no continuity
(Part Code DC47-00015A)
- 10/12 -
Check Point
Symptom Guide - [Dryer] Unit is weak heating
Step 1 Check the condition of dryer
Clogged dryer vents or lint filter are the leading cause
of weak heating
Check whether the vent is blockage by following
procedures
Enter to temperature display mode,
Run time dry cycle without vent.
Check the temperature inside of drum with
thermometer whether the temp go up to 60 (140)
How to enter Temperature display Mode
- Press Adjust time+ Adjust time for 10 seconds
during power is on until it sends beeping sounds,
And then, press Temp key until Number 5 is display.
(Number 5 is temperature data)
Unit is normal If the temperature is over than 60 on the display or 100 with measuring by thermometer. Touch the surface on drum whether it is warm. How to enter Temp display mode by Model. - DV42H5**,45H6**, 56H91**, 56H9*** Adjust time+ Adjust time - DV400,DV422**,456**, DV50F**, DV45H7***,48H7*** : Adjust + Wrinkle prevent - Temp Key is common
Check whether the lint filter is clogged with lint
Clean the lint filter.
39.6
120 60
- 11/12 -
Check Point
Symptom Guide - [Dryer] Unit is not Spinning
Check the drum in Dryer Condition
- Check drum is stuck due to deformation
by turning the drum in CC.
- Check if the Belt is properly secured
Replace Assy Drum Adjust or Replace the Belt
Step 2 Check Main PBA
Check the Main PBA
- Check the voltage at Brown wire of RY6 and
Brown wire of CN1
- The voltage will be approx. AC 0V during standby
and changed as the next following pictures.
Replace Main PBA
If it is abnormal condition.
Normal Condition : Approx. AC 0V 118V 114V
Abnormal Condition : Approx. AC 5V 118V 118V
RY6 CN1
- 12/12 -
Check Point
Symptom Guide - [Dryer] Unit is not Spinning
Step 3 Thermostat on Assy Duct Motor
Check the thermostat on Assy Duct Motor
- Check the heater by continuity mode.
(Most Common Issue regarding all of dryer)
Replace the Thermostat If there is no continuity (Part Code DC47-00016A)
Step 4 Micro S/W (Cut-off SW) on Assy Duct Motor
Check the Micro S/W on Assy Motor
- Check the Micro S/W by continuity mode
during idler is engaged
Replace the Micro S/W
If there is no continuity
(Part Code : 3405-001077)
Step 5 Centrifugal S/W on Assy Motor
If All steps were normal, it is highly likely that
centrifugal s/w is defective
Replace Assy Motor
Idler is engaged
Short Open
Centrifugal S/W
Motor standby Motor Activation Pin Number
Idler is disgaged