Samsung DW80M9 Series Service Manual page 49

Check type Check code
Heater
HC1
Check
Heater Overheat
HC
Check
Leakage check LC
Checking method
1. Check the connections of the Heater connectors.
2. Check the resistance between both ends of the Heater.
: Check the resistance between both ends of the Heater directly,
or check the resistance between the red wire of the Heater Relay and
the black and yellow wires of the Power Relay, respectively.
► Normal: Approx. 12.14 ~ 14.16Ω
► Check after disconnect circuit brake or power cable.
3. Check the connections of the Heater Relay in Main PBA.
: Check the voltage between the Red wire of the Heater Relay on
the base and the White wire of the CN101 connector.
► Normal: 110 ~ 120V (while operating)
1. Check the operation of the Thermistor.
2. Check the Heater Relay.
Check whether there is any trace of water leakage in the shutter.
► Normal: No water leakage trace
Corrective actions
- Reconnect the Heater connectors.
- Faulty: Replace the Heater.
- Reconnect the Heater Relay connectors.
- See the "tC" Check Code.
- See the "HC-1" Check Code.
- Faulty: Check the leakage location.
- Replace the faulty part.
Troubleshooting_47