Reroute a new wire.
9.5.4 “E4”
“E4” indicates the defrosting sensor in the evaporator is a short circuit. It may be caused
by the following reasons:
- The temperature sensor is defective – Replace the thermistor.
- The Power PCB is defective – Replace the Power PCB.
- The Control PCB is defective – Replace the Control PCB.
- The connecting wire is defective (e.g. screw has made the wires short circuit) –
Reroute a new wire.
9.5.5 “E5”
“E5” indicates the defrosting heater is defective. It may be caused by the following reasons:
- The defrosting heater is defective – Replace the defrosting heater.
- The connecting wire from defrosting heater to Power PCB is loose – Reconnect the
wire.
- The connecting wire (Heater 1) from Control PCB to Power is loose – Reconnect the
wire.
- The temperature sensor is defective – Replace the thermistor.
- The Power PCB is defective – Replace the Power PCB.
- The Control PCB is defective – Replace the Control PCB.
9.5.6 “E6”
“E6” indicates the solenoid valve is defective. It may be caused by the following reasons:
- The solenoid valve is defective. Please see 9.4.12 – Replace the solenoid valve.
- The connecting wire from Solenoid valve to Power PCB is loose – Reconnect the wire.
- The connecting wire (Heater 1) from Control PCB to Power PCB is loose – Reconnect
the wire.
- The Power PCB is defective – Replace the Power PCB.
- The Control PCB is defective – Replace the Control PCB.
- Wrong connection of capillary for left zone and right zone.
- Wrong connection of thermistor for left zone and right zone.
9.5.7 “E7”
“E7” indicates the door switch has failed. It may be caused by the following reasons:
- The door is not closed properly - Open and close the door with a little more force.
- The door switch is defective – Replace door switch.
- The plastic piece on the door that contacts the door switch has fallen off or is not in
the correct position – Replace plastic piece.
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