Troubleshooting_53
Error Type
Error mode
Checking method
Corrective actions
Heater
error
HE-1
1. Check the connections of the Heater connectors.
- Reconnect 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.
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- Faulty: Replace the Heater.
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 Black wire of the CN101
connector.
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Normal : 110 ~ 120V (while operating)
- Reconnect the Heater Relay connectors.
4. Check the driving signals for the Heater Relay.
Measure the voltage between pin 1(D12 Anode side) of the
Main PBA
RY201 relay and pin 2 of the CN402 connector.
When the Heater is off : 10.5 to 13V
When the Heater is operating : < 0.5V
- Faulty: Replace the Main PBA assy.
5. Check the Power Relay.
- See the “Power Relay error”.
Heater Overheat
error
HE
1. Check the operation of the Thermistor.
- See the “tE Error”.
2. Check the Heater Relay.
- See the “HE-1 Error”.
Leakage
error
LE
Check whether there is any trace of water leakage in the
shutter.
Normal: No water leakage trace
- Faulty: Check the leakage location.
- Replace the faulty part.
