Samsung WF409ANW/XAA Fast Track Troubleshooting

Model: WF409ANW/XAA
Please Note: There are multi-
ple Versions of this model,
verify your parts order

Quick Test Mode

Note: This test erases all faults and memory
To enter press Spin, 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 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, turn the Jog-Dial
1 click CCW to show 0058. Press the following keys
to test the various components
Press Temp Key to cycle through the Water Valves
circuit test in this order: Cold Main, Bleach, Cold Main
& Bleach for Fabric Softener, Hot, then off.
Press Spin Key to test Door Lock/Unlock circuit.
Press Signal Key to test Drain Pump

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
Customer information videos and chat programs. Programs for Fridges, Laundry, Ranges & D/W
# tsWF409 RevF 03/21/2011
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.
:
http://support-us.samsung.com/spstv/howto.jsp
Publication # tsWF409 Revision Date 03/21/2011

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 & My Cycle:
ates the drum motor from 0 to maximum RPM over a few
minutes. Note: Stay with the washer during this test, out of
balance detection is bypassed and the door may not lock.
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 Extra Rinse button to view the
stored fault codes – then turn Jog Dial to view error codes
(Push Start/Pause while the code is displayed to view the num-
ber of cycles since the error occurred)
Peripheral (Main PCB) input Tests
1. My Cycle. Then turn the Jog-Dial so that the Extra Rinse
LED is turned on. Next, press the Start/Pause Key. The Water
Temperature will be displayed in Fahrenheit.
2. My Cycle. Then turn the Jog-Dial so that the Extra Spin LED
is turned on. Next, press the Start/Pause Key. The door status
will be displayed (OP if open, CL if closed).
3. My Cycle. Then turn the Jog-Dial so that the Delay Start 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 My Cycle. Turn the Dial so that the My Cycle LED is
turned on. Next, press the Start/Pause Key. The Water Fre-
quency will be displayed. The frequency will change as the unit
fills.
This acceler-
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