Samsung WF405ATP Series Fast Track Troubleshooting

Model:
WF405ATP**
Bulletins:
**Quick Test Mode**
Water valve,motor,door ,drain pump, LEDs, Soft Ver.
How to Enter: -- Press
Power
and Key at the same Time.
1. All LED's light up and it sends out Beep Sound when
it enters into the Quick Test Mode. (Including 7-
Segment)
2. Displays software version for a sec and Clear EEprom.
(Ex. If S/W Version is 49, 7-Segment will display
L949)
3. When the version is displayed, turn the Jog-Dial so
that the version disappears. Press the following
keys to test the various components.
- Temp Key : Water Valve Test
- Spin Key : Door Lock/Unlock Test
- Soil Key : Water Heater Test
Water Test
- Signal : Drain/Bubble Pump Test
**EEPROM Clear Check**
All Memory will be cleared including Fault codes
How to Enter: * With the Power off*
-Press Delay Start Key, and Power Key at the same
time. Good = Good , Fail = Fail
IMPORTANT SAFETY NOTICE – "For Technicians Only"
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:
HELP: 1-888-751-4086 (Tech Sup. – ASC/SSD)
1-866-894-0637 (Tech Sup. - FE/ME)
GSPN: http://service.samsungportal.com/EP/web/portal/jsp/EP_Default1.jsp
PLUS ONE:
Soil Level Signal
Key,
Fast Track Troubleshooting
Publication # DrWF405ATP
http://my.plus1solutions.net/clientPortals/samsung
**Service Mode**
Verify operations and troubleshoot, Check Error codes
Key How to Enter/Exit: -- Press
at the same time for 3 Seconds
Key
***Diagnostic code check***
1. Activate the Service Mode first.
2. Press the "
Check Mode Code "d" will start flashing.
3. To cycle through the diagnostic codes (d1,d2,d3~d9),
turn the Rotary Cycle Selector in one direction
(either Clockwise or Counterclockwise).
4. Now, when turning the Rotary Selector Key in the same
direction, it shows diagnostic codes from the latest
(d1).
5. When turning it in the opposite direction, it shows the
diagnostic codes in the reverse order. Ex) When it
stops at d5 and turns backward, it shows from d4
down to "d". Refer to Diagnostic Code.
In Service mode Press:
- Pre wash + Soil level for 3sec: to start
- Signal: To Check
- Soil level: To Check
-Extra Rinse: To enter
check LED
Extra Rinse
Spin
key" key to start Diagnostic Code
Cycle Count
Software Version
Board Input test
This service data
Production Date 5/1/13
Signal
Key,
Quick Spin Test
-Move Jog dial to