Samsung WF433BTG Series User manual

Fast Track Troubleshooting
Model: WF433BTG*
Publication #Dr WF433BTG Production Date 10/29/13
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.
Bulletins:
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: http://my.plus1solutions.net/clientPortals/samsung
Service Mode:
This mode allows more detailed operation tests and
troubleshooting, to enter press Signal & Extra Rinse
simultaneously with the power on.
In Service Mode the following tests can be performed:
Quick Spin Test: Press Delay Start & Extra Rinse.
Note: This accelerates the drum motor from 0 to max RPM in a
few minutes. Stay with the washer during this test, out of balance
detection may be bypassed. Press Start/Pause during the test to
hold spinning speed for 10 minutes before going back to Quick Spin
Test Mode. Press and hold the Delay Start & Extra Rinse to
continue.
Cycle Count = Press Signal to see how many times the unit was
used.
Software # = Press Soil level to see the SW version information.
Fault Code Test = Press Spin 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 number of cycles since the error occurred, Push
Start/Pause to go back to faults.
Peripheral (Main PCB) input Tests:
1. Select Extra Rinse. Then turn the Jog-Dial so that the Heavy Duty
LED is turned on. Next, Water Temperature will be displayed in
Fahrenheit.
2. Select Extra Rinse. Then turn Jog-Dial so that the Bedding LED is
turned on. The door status will be displayed (OP if open, CL if closed).
3. Select Extra Rinse. Then turn Jog-Dial so that the Sanitize LED is
turned on. The door lock Switch status is be displayed (UL = unlocked,
Lo = locked).
4. Select Extra Rinse. Then turn Jog-Dial so that the Stain Away LED
is turned on and Water Level Frequency will be displayed.
Quick Test Mode:
To enter press Spin, Soil, & Power simultaneously with the power
off.
1. All LED’s light up and the washer beeps as it
enters the Quick Test Mode.
2. After the displaying the software version, LCD
will display Model information. If EEEE is displayed the PCB ass’y is
defective.
3. When the version is displayed, turn the Jog-Dial CCW so that the
version disappears. Press the following keys to test the various
components:
Press Spin to test Door Lock/Unlock circuit
Press Temp to cycle through the Water Valves circuit test (The door
must be locked first) in this order: Pre-Wash, Bleach, Cold Main, Hot,
& Steam, then off.
Press Steam to test Drain Pump/Circulation Pump
Press Soil to test the Water/Steam Heater.
When either Test or Spin is displayed on the LCD, press Start/Pause
to conduct the motor test.
In Test mode, you can test the clockwise and counterclockwise
movement of the motor.
In Spin mode, you can test the motor at a high rpm.
EEPROM Clear Check
Power off, Press Delay Start and Power at the same
time. Good = Good Fail = Fail
All memory will be cleared, including Fault Codes
This should be done whenever a new Main PCB is
installed.
**With the Power On** **With the Power Off**

Additional Error codes
Sd

Sub PCB
Main PCB
CN3
CN5
CN6
CN2
CN8 CN7
CN7
CN3
CN1
CN6
CN11
RY6 CN5
RY5