Samsung WF337AAR/XAA Fast Track Troubleshooting

Model:
WF337AAG/XAA
WF337AAR/XAA
WF337AAW/XAA
WF337AAL/XAA
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
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
Selecting Language
1. The "Select the Language" message appears.
2. Turn the Dial to select language
3. Press Signal button to select
Fast Track Troubleshooting
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.
Publication # tsWF337 Revision Date 8/10/2010
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:
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.
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)
This
Press the Start/Pause
1