Samsung DMT300 Series Training Manual page 47

Trouble Shooting
Error Type Error Mode
Detergent is not None
dispensed.
Checking Method
1. Check whether detergent is inserted into the dispenser.
2. Check the connections for the Dispenser connector.
3. Check the resistance of the Dispenser.
(Remove the connector before measuring.)
➢ Normal: Approx. 2.3 kΩ
4.Check the operation of the Dispenser Relay.
Check the operating voltage between the white wire of the
CN101 connector and the white wire of the CN201 connector.
➢Normal: 120V (while operating)
Corrective actions
- Check whether there is detergent in the Dispenser.
- Reconnect the Dispenser connector.
- Faulty: Replace the Dispenser.
-Faulty: Replace the Main PBA assy.
- Remove Retainer.
- Check voltage