Service Mode - Samsung WF435ATGJRA/A1 Technical Information

ALIGNMENT AND ADJUSTMENTS
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Quick Test Mode:
Quick Test Mode
All LEDs On for 1 sec
(include 7-Segment)
S/W Version display
All Devices Test using keys
Temp. Key Spin Key
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 Y349)
3. When the version is displayed, turn the Jog-Dial. Press the following keys to test the various
components.
- Temp. Key : Water Valve Test
- Spin Key : Door Lock/Unlock Test
- Soil Level Key : Water Heater Test
- Steam : Drain Pump / Bubble Pump / Direct Valve Test

Service Mode

Definition of Service Mode:
- Service Mode enables service technicians to verify the operation of the washing machine and
do troubleshooting.
- Service Mode can be entered during all washing cycle without interrupting the cycle except
some of test modes.
- Various tests can be done with Service Mode. So, troubleshooting can be done based on the
resulting diagnostic codes.
How to Enter:
- To enter the Service Mode, press the Signal and Extra Rinse Keys for 3 seconds or until the unit
sends out beeping sounds.
(Techsheet)WF435A_03152B_EN.indd 5
WARNING
Soil Level Key Steam
5
2012-06-12 3:13:55