Samsung WF337AA XAA Series Troubleshooting Manual Download Page 1

Fast Track Troubleshooting 

Model: WF337AA*/XAA 

 

Publication #  nwWF337   Revision Date 06/17/2013

 

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 

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) 

5. Water Frequency/Water Sensor Testing Select a cycle & 

start the washer, enter Service Mode & press Extra Wash. 

Turn the Dial

 

so that the 

Quick Wash LED

 is turned on. Next, 

press the Start/Pause Key. The Water Frequency will be dis-

played. The frequency will change as the unit fills.

 

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 

SUPPORT INFORMATION 

Training — Plus One 

http://my.plus1solutions.net/clientPortals/samsung/ 

Help — GSPN 

http://service.samsungportal.com/

 

Samsung Product Support TV 

http://support-us.samsung.com/spstv/howto.jsp  

Customer information videos and chat programs. Programs for Fridges, Laundry, Ranges & D/W 

Bulletin: 

There is a part Change 

on the Water Hose Ass’y 

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