AUX DC Inverter Free Match 50HZ R32
187
Part13 Trouble Shooting
1. Failure code display
ERROR
CODE
(display
board)
ERRO
CODE
(wired
controller)
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 Envirol 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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