When Air Conditioning has failure the indoor unit display and the wired control will display the
following error codes in the following ways:
Fault with the over-electric current protection
Fault with the Compressor Power supply Phase
deficiency protection
Fault with the inverter module protection(IPM)
Fault with the room temperature sensor(Tico) on
the indoor unit
Fault with the temperature sensor (Tcm) on the
outdoor unit
Fault with the temperature sensor (Ticm) on the
indoor unit
Fault with the Fan motor of indoor unit
Communication error between the outdoor unit
and the indoor unit
Communication error between the display board
and PCB of the indoor unit
Fault with the Fan motor of outdoor unit
Fault with the inverter module protection on the
outdoor unit
Fault with the compressor start
Fault with the discharge temperature sensor
Fault with the Environmental temperature
sensor(Tao) on the outdoor unit
Fault with the over-voltage or low voltage
protection
Communication error between the driver PCB and
main PCB of the outdoor unit
Fault with the outdoor unit EPROM
Communication error between the wired controller
and main PCB of the indoor unit
Fault with the low temperature discharge
temperature sensor
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