Samsung DMT300 Series Training Manual page 45

Trouble Shooting
Error Type Error Mode
The Cycle does None
not start.
No Washing None
Checking Method
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)
1. Check whether the nozzle injects water normally.
2. Check the operation of the Heater.
Corrective actions
- Reconnect the Door Sensing Switch connectors
- Faulty: Replace the Door Sensing Switch.
- Normal: Replace the Main PBA assy.
- See "The nozzle does not inject water".
- See "Heater Error".