Samsung WF316LAW Service Manual page 44

6-1. TROUBLE DIAGNOSIS
The drum is not rotating
Is the water supplied to the
set level and stopped?
Is there a "3E" Error on the Display?
Is the water drain normal?
Is the Motor operating normally?
Is the connected condition of
the Wire normal?
Replace the Main PCB
Check the water level sensor part.
- Connect the terminal of the water level sensor firmly.
- Check the output frequency of the water level sensor.
NO
(Frequency: 22Kz-26KHz) In case of defect, replace the part.
- Check whether there are any breaks on the Pressure Hose or
whether the pressure hose is pulled out, and take appropriate
measures.
Check the Motor part.
NO
- Connect the Motor and Hall Sensor terminal firmly.
- Correct the Wire form. (2 Wire Holders)
- Check the Motor and Hall Sensor parts.
- Refer to the Wiring diagram and check for wire disconnection.
When the water level does not reach the Reset level (25.5Khz) during
NO
draining, it will not proceed to the spin cycle. It generates an "nd"
Error after 15 minutes.
Check the water drain.
Check the Motor.
NO
- Check the Wire color. (RED/WHT/BLU)
- Check the Motor resistance (RED<->BLU, RED<->WHT about 10Ω-
20Ω)
Check the connected condition of the Wire.
NO - Check the housing connected to the Main PCB.
- Check the Wire with the Motor with the tester.
- Check the Hall sensor Wire with the tester.
6-5