Samsung WF350AN XAA Series Troubleshooting Manual

Model: WF350AN*/XAA
Please Note: There are version
changes on this model, verify you
are ordering the correct parts.
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Service Mode:
This mode allows more detailed operation tests and trou-
bleshooting, to enter press Signal & Delay Start simulta-
neously with the power on.
While in Service Mode (the Service Mode can be entered
while the unit is in a wash cycle) the following tests can
be performed:
Quick Spin Test = Delay Start & Pre Wash: This acceler-
ates the drum motor from 0 to maximum RPM over a few
minutes. Press the Start/Pause button during the test to hold
its spinning speed up to 10 min. before going back to Quick
Spin Test Mode, return to spin with Delay Start & Pre Wash.
Cycle Count = Press the Signal button to see how many
times the unit was used.
Soft Ware # = Press the Soil Level button to see the software
version information.
Fault Code Test = Press the Pure Cycle 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, push Start/Pause again to get
back to faults)
Peripheral (Main PCB) input Tests, enter Service Mode &
press Spin key.
1. Turn the Dial so that the Steam LED is turned on. Next,
press the Start/Pause Key. Temperature will be displayed in
Fahrenheit .
2. Turn the Dial so that the Cold/Cold LED is turned on. Next,
press the Start/Pause Key. The door switch status will be dis-
played (CL if Closed, OP if Open).
3. Turn the Dial so that the No Spin 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. Water Frequency/Water Sensor Testing Select a cycle &
start the washer, enter Service Mode & press Spin Key.
Turn the Dial so that the Soil Level 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
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.
SUPPORT INFORMATION
http://support-us.samsung.com/spstv/howto.jsp
Publication # nwWF350 Revision Date 06/17/2013
Quick Test Mode:
Note: This test erases all faults and memory
To enter press Soil, Signal, & 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.
3. After the displaying the software version, turn
Jog dial CCW until version disappears.
Press Spin to test Door Lock/Unlock circuit.
Press Temp Key (with door locked) to cycle through
the Water Valves circuit test in this order: Pre, Bleach,
Cold Main, Hot, Steam then off.
Press Soil Key to test the Heater
Press Signal Key to test the Pump
Spin Only option:
Power on, Press and hold Spin until display changes.
Press Spin to select spin time.
Press Start/Pause to start cycle, Normal Cycle 10/12
minutes, Heavy Duty Cycle 11/13 minutes, Delicate
Cycle 8 minute. Spin speed varies with cycle.
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
Fabric Softener Dispenser Test:
Start Rinse and Spin Cycle. After fill is completed
remove detergent drawer, place towel below opening
and within 3 minutes the dispenser will activate
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