Samsung DW80K5050US Service Manual page 50

Check type Check code
The nozzle
does not inject None
water.
The Cycle does
None
not start.
48 _ Troubleshooting
Checking method
1. Check the connections for the Circulation Motor connector.
2. Check the connections for the Circulation Motor.
3. Check the resistance for the Circulation Motor coil.
(Remove the connector before measuring.)
� Normal: Approx. 5.8 Ω
4. Check whether there is foreign material in the water passages.
1. Check the connections for the Door Sensing Switch
: Check the blue wire and the switch connected to the blue wire.
� Normal (Power Key On): 9.5 to 12.5V (when the door is open)
� Normal (Power Key Off): 5.5 to 7.0V (when the door is open)
� Normal : <2V (when the door is closed)
2. Check the operation of the Door Sensing Switch.
(Remove the connector before measuring.)
: Check the blue wire and the switch connected to the blue wire.
� Normal: OPEN (when the door is open)
� Normal: SHORT (when the door is closed)
Corrective actions
- Reconnect the Circulation Motor connector.
-Reconnect the Startup Condenser connector of the
Circulation Motor.
- Faulty: Replace the Circulation Motor.
- Remove foreign material from the water passages.
- Reconnect the Door Sensing Switch connectors
- Faulty: Replace the Door Sensing Switch.
- Normal: Replace the Main PBA assy.