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Error Code Table for Aqua Inverter on Indoor Unit
Error codes for Aqua Inverter on the indoor unit include the following:
1. Error Code E1
+ Error Name: Room Temperature Sensor Malfunction.
+ Causes: Loose connection of temperature sensor; faulty temperature sensor; malfunctioning control circuit of indoor unit.
Error Code E2
+ Error Name: Faulty Heat Exchange Sensor.
+ Causes: Loose connection of temperature sensor; faulty temperature sensor; malfunctioning control circuit of indoor unit.
Error Code E4
+ Error Name: Control Circuit Malfunction.
+ Cause: Malfunction of the indoor unit control circuit.
Error Code E14
+ Error Name: Malfunction of Indoor Unit Fan Motor.
+ Cause: Fan motor coil breakage; overheat protection of fan motor; wiring breakage of fan motor; malfunctioning control circuit of indoor unit.
Error Code List for Aqua Inverter on Outdoor Unit
Error codes for Aqua Inverter on the outdoor unit include the following:
Error Code F1
+ Error Name: Module Circuit Malfunction.
+ Cause: Malfunction of the module circuit.
Error Code F2
+ Error Name: Compressor Overcurrent.
+ Cause: Faulty compressor; faulty module circuit.
Error Code F3
+ Error Name: Connection Error between Module Circuit and Main Control Circuit of the Main Unit.
+ Cause: Loose connection between main control circuit and module circuit; faulty main control circuit of the outdoor unit; loose module circuit of the main unit.
Error Code F4
+ Error Name: Output Overheat Protection.
+ Cause: Electronic expansion valve faulty; temperature sensor faulty; faulty main control circuit of the outdoor unit.
Error Code F6
+ Error Name: Ambient Temperature Sensor Malfunction.
+ Cause: Faulty temperature sensor.
Error Code F7
+ Error Name: Input Temperature Sensor Malfunction.
+ Cause: Error code F7 in Aqua Inverter air conditioners is caused by a faulty temperature sensor.
Error Code F8
+ Error Name: Faulty Outdoor Unit Fan Motor.
+ Cause: Breakage in outdoor unit fan motor coil; wiring connection breakage in fan motor; faulty main control circuit of the outdoor unit.
Error Code F11
+ Error Name: Compressor Malfunction.
+ Cause: Faulty compressor.
Error Code F12
+ Error Name: Main Control Circuit Malfunction of the Outdoor Unit.
+ Cause: Faulty main control circuit of the outdoor unit.
Error Code F18
+ Error Name: Abnormal Power Supply Voltage.
+ Cause: Unstable power source; faulty main control circuit of the outdoor unit; loose module circuit of the main unit.
Error Code F21
+ Error Name: Defrost Heat Exchanger Temperature Sensor Malfunction (only in two-way air conditioners).
+ Cause: Faulty defrost heat exchanger temperature sensor connection; faulty temperature sensor; faulty main control circuit of the outdoor unit.
Error Code F25
+ Error Name: Output Temperature Sensor Malfunction.
+ Cause: Error code F25 in Aqua Inverter air conditioners is caused by a faulty temperature sensor.
Error Code F28
+ Error Name: Malfunction in Outdoor Unit Circuit Board.
+ Cause: Unstable power source; prolonged non-usage; water ingress causing short circuits, insect infestation causing damage to components within the unit.
Error Code List for Aqua Inverter on System
The error code list for Aqua Inverter on the system currently only includes error code E7. This is a connection error between the outdoor unit and indoor unit. The cause is loose wiring connection of the compressor, faulty control circuit, or damage to the indoor unit.
When encountering the above errors with Aqua Inverter air conditioners, if you do not have expertise in air conditioning and refrigeration, it is best not to attempt repairs on your own as it may worsen the damage. Please contact the warranty center or call a professional air conditioning technician for comprehensive assistance as soon as possible.
