Samsung DMR78AHS/XAC Service Manual page 52

4. Troubleshooting
Error type Error mode
1. Check the wire connections for the Fan Motor.
2. Check the resistance of the Fan Motor coil.
(Remove the connector before measuring.)
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3. Check the operation of the Fan Motor Relay
Dry error None
: Check the operating voltage between the white wire of the C1
connector and the sky wire of the CN14 connector.
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New PBA
3-1.Check the operation of the Fan Motor Relay
: Check the operating voltage between the white wire of the C101
connector and the sky wire of the CN201 connector.
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4. Check the operation of the dispenser.
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4-14
Checking Method
Normal: Approx. 150 Ω
Normal: 120V (while operating)
Normal: 120V (while operating)
If rinse aids are not dispensed, a dry error may occur.
Because the dishes are heated and heat dried during the
last drying cycle, the dried state of plastic dishes may not be
optimal.
Corrective actions
- Reconnect the Fan Motor connectors.
- Faulty: Replace the Fan Motor assy.
- Faulty: Replace the Main PBA assy.
- See "Detergent is not dispensed"
New PBA