background image

Fast Track Troubleshooting 

Model:          
WF337AAG/XAA 
WF337AAR/XAA  
WF337AAW/XAA  
WF337AAL/XAA

 

Publication #  tsWF337   Revision Date 8/10/2010

 

Quick Test Mode 

To enter press Spin, Silver Care, & Power                        
simultaneously  with the power off.   

 

1. All LED’s light up and the washer beeps as it  
enters the Quick Test Mode.

 

2. The unit displays the software version for a     
second then clears the EEprom.     

 

3. After the displaying the software version, LCD 
will display Model information. If EEEE is displayed 
the PCB ass’y is defective. 

 

4. When the version is displayed. Press the follow-
ing keys to test the various components 

 

Press 

Temp Key 

to cycle through the Water Valves in 

this order: Pre Cold, Cold Main, Bleach, Cold Main & 
Bleach for Fabric Softener, Hot, then off. 

Press 

Spin Key 

to test Motor circuit. 

 

Press

 Soil Key 

to test Drain Pump                           

 
Press 

Silver Care 

to test door lock - unlock circuit

 

Service Mode:  

This mode allows more detailed operation tests and trouble-
shooting, to enter press Signal & Extra Rinse                          
simultaneously with the power on.   
 
While in Service Mode the following tests can be performed: 
 
Quick Spin Test =

 

Delay Start & Silver Care:              

This         

accelerates the drum motor from 0 to maximum RPM over a 
few minutes. 

Note: Stay with the washer during this test, out 

of balance detection may be bypassed. 

Press the Start/Pause 

button during the test to hold its spinning speed for 10 minutes 

before going back to Quick Spin Test Mode. 

 

Cycle Count = 

Press the 

Signal

 button to see how many times 

the unit was used  

Soft Ware # = 

Press the 

Soil

 button to see the software version 

information

 

Fast Time Down = 

Press the 

Temp

 button to advance to the 

next cycle

 

Fault Code Test = 

Press the 

Silver Care 

button to view the 

stored fault codes  – then turn Dial to view error codes (Push 

Start/Pause while the code is displayed to view the number of 

cycles since the error occurred) 

Peripheral (Main PCB) input Tests  
1. 

Extra Wash. Then turn the Dial

 

so that the 

Normal LED

 is 

turned on. Next, press the Start/Pause Key. The Water Tem-

perature will be displayed in Fahrenheit. 

2. 

Extra Wash. Then turn the Dial

 

so that the 

Whites LED

 is 

turned on. Next, press the Start/Pause Key. The door status will 

be displayed (OP if open, CL if closed). 

3. 

Extra Wash. Then turn the Dial

 

so that the 

Perm Press LED

 

is turned on. Next, press the Start/Pause Key. The door lock 

Switch status will be displayed (UL if unlocked, Lo if locked).

 

4. 

Extra Wash. Then turn the Dial

 

so that the 

Quick Wash LED

 

is turned on. Next, press the Start/Pause Key. The Water Fre-

quency will be displayed.  

5. 

Extra Wash. Then turn the Dial

 

so that the 

Sanitize LED  

is turned on. Next, press the Start/Pause Key it will display the  
Ag Kit Status in 3 seconds:  “- -” if AG kit is operated properly. 

“7E” if AG kit is out of order (check wire harness & PCB)

 

IMPORTANT SAFETY NOTICE

 – 

“For Technicians Only”

  This service data sheet is 

intended for use by persons having electrical, electronic, and mechanical experience 
and knowledge at a level generally considered acceptable in the appliance repair trade.  
Any attempt to repair a major appliance may result in personal injury and property 
damage.  The manufacturer or seller cannot be responsible, nor assume any liability for 
injury or damage of any kind arising from the use of this data sheet. 

Selecting Language  

1.  The “Select the Language” message appears. 
2.  Turn the Dial to select language 

3. 

Press Signal button to select

 

EEPROM Clear Check 

Power off, Press Delay Start, Signal and Power Key at 
the same time.  Good = Good   Fail = FAiL 
All memory will be cleared, including Fault Codes  

This should be done when a new Main PCB is    
installed 

 

1

Содержание WF337AAR/XAA

Страница 1: ...d fault codes then turn Dial to view error codes Push Start Pause while the code is displayed to view the number of cycles since the error occurred Peripheral Main PCB input Tests 1 Extra Wash Then turn the Dial so that the Normal LED is turned on Next press the Start Pause Key The Water Tem perature will be displayed in Fahrenheit 2 Extra Wash Then turn the Dial so that the Whites LED is turned o...

Страница 2: ...WF337 2 ...

Страница 3: ...ng Resistance at Room Temperature Power off discon nect CN3 4 2VDC 5VDC May indicate a connector issue 50 57kΩ Door Switch Check Test 1 Test 2 Connector CN3 pins 6 Org 4 Brn 25VDC Door Open 0VDC Door Closed Operating Resistance with power off open with door open short with door closed Water Level Sensor Check Test 1 Test 2 Voltage Connector CN 3 pins 6 Org 7 Vio And Connector CN 3 Pins 6 Org 8 Pnk...

Страница 4: ...120VAC with the Heater On and 0VAC with the Heater off Power Off heater resistance is 16 6 Ω Error Type Error Mode Details LED LCD Water Level Sensor LE 8 Check the Hose where the sensor is connected may be loose pinched damaged or clogged Also check the sensor it may be disconnected or defective The Main PCB may also be defective Motor Drive Error or Hall Sensor error 3E Check the motor drive con...

Страница 5: ...e If the main PCB s communication circuit is faulty replace it Switch Error Main Relay Error E2 15 Check whether either the Power switch or a tact switch any button is stuck down Check whether the service PBA holding screws are fastened too tight pinching the contacts If the main PBA switching IC on off error has occurred replace the main PBA The E2 error occurs if the main relay connections are i...

Страница 6: ...y the water valves shut off fully Finally check the water level sensor Temperature Sensor Error 29 The washing heater temperature sensor in the tub has an error Check the connections for the washing heater temperature sensor connector Unbalance Error dC 10 Check the type of laundry Check whether it may cause an unbal anced situation Educate the consumer in this case to press pause reposition the l...

Страница 7: ... non HE detergents or using too much detergent for the water hard ness and soil level of the clothing over sudsing will occur When this happens there will be leaks out of the detergent drawer and door Please advise con sumer of proper de tergent usage Valve 1 Valve 2 Valve 3 Valve 4 MAIN C BLEACH PRE WASH MAIN H It is normal for a small amount of water remaining in Detergent Drawer after it comple...

Отзывы: