Samsung DW80H9940US/AA Service Manual page 57

Error Type Error mode
1. Check the connections for the Motor vane and Sensor
2. Check whether the coil in Motor vane is conductive.
3. Check the position sensing operations when moving the
Sensor On: 0V
Motor vane
7E
Sensor Off: 5V
error
4. Adjust Motion A'ssy and Find the faulty.
5. Check whether Motor vane is operating normally.
Normal: 110 ~ 120V
- Check the operation of Motor vane Relay.
- CCW: Check the operating voltage between the 5pin(Red)
Normal: 110 ~ 120V (while operating)
6. Check the Power Relay.
Checking method
vane connectors.
Check the resistance between the Red and Black wire(CCW)
Check the resistance between the White and Black wire(CW).
: Remove the connectors before measuring.
Sensor vane on and off.(Use n5 Service test mode.)
Check the conduction between the Brown wire and the
Black wire.
- Check the Motor vane operation
wire of the Main PBA CN202 connector and the
Black wire of the Main PBA CN101 connector
CW: Check the operating voltage between the
5pin(White) wire of the Main PBA CN202 connector
and the Black wire of the Main PBA CN101
connector
Corrective actions
- Reconnect the Distributor Motor and Micro Switch connectors.
- Faulty: Replace the Motor vane.
- Faulty: Replace the Sensor vane for sensing positions.
- Normal: Replace the Motor vane and Sensor vane
- Faulty: Replace Motion A'ssy.
- Faulty: Replace the Main PBA assy.
- See the "Power Relay error".
Troubleshooting_55