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34
Operation Manual
Troubleshooting
Problem Possible Causes
The display is off
DISPLAY toggle is set to off
Power failure
• Strange noises during operation.
• Faulty electronic control board.
• Faulty fuses or switches.
• Spraying water or objects inside the appliance.
• Overheated cables or plugs.
• Very stong smells coming from the appliance.
Switch off the air conditioner immediately and cut off the power supply in the event of:
In case of an error, the indoor unit display will show the following error codes:
Contact a professional HVAC technician for further assistance.
Error Codes
Display Description
E1 Indoor room temperature sensor fault
E2 Indoor pipe temperature sensor fault
E3 Outdoor pipe temperature sensor fault
E4 Refrigerant system leakage or fault
E6 Malfunction of indoor fan motor
E7 Outdoor ambient temperature sensor fault
E0 Indoor and outdoor communication fault
E8 Outdoor discharge temperature sensor fault
E9 Outdoor IPM module fault
EA Outdoor current detect fault
EE Outdoor PCB EEPROM fault
EF Outdoor fan motor fault
EH Outdoor suction temperature sensor fault
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