Gree Split Air Conditioner Error Code and Solutions
d2
Malfunction of ambient temperature
L1
Protection of indoor fan
d3
Malfunction of entry-tube temperature sensor
L2
Auxiliary heating protection
d4
Malfunction of exit-tube temperature
L3
Water-full protection
d6
sensor
L4
d7
Malfunction of humidity sensor
d9
dA
Malfunction of jumper cap
18
Malfunction of water temperature sensor
19
Web address of IDU is abnormal
dH
PCB of wired controller is abnormal
dC
Setting capacity of DIP switch code is abnormal
LA
Malfunction of air outlet temperature sensor
LH
Alarm due to bad air quality
dL
LC
IDU is not matching with outdoor unit
dE
Malfunction of indoor CO2 sensor
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