Haier AU60NFIAKA [108/139] Commercial air conditione

Haier AU52NFIAKA [108/139] Commercial air conditione
10.2 Indoor failure code
Commercial Air Conditioner
Model: AU28/342FHAIA,
AU522FIAKA, AU52,60NFIAKA
-104-
A. Wired control type indoor unit: the dip switch of wired controller is 1 and 3 at ON, 2 and 4 at OFF.
Failure code Failure description
E0 Float switch abnormal
E1 Outdoor unit failure
E2 Abnormal mode operation
E3 Liquid pipe temperature sensor failure
E4 Gas pipe temperature sensor failure
E5 Repeated indoor unit number or communication failure between indoor 846
chip and 808 chip
E7 Communication abnormal with EEV box
E8 Communication abnormal between wired controller and indoor PCB
E9 Communication abnormal between indoor and outdoor
EB (pre-set, not
available)
Water temperature sensor abnormal
B. Infrared control type indoor unit:
TIMER lamp flash times Failure description
Once Liquid pipe temperature sensor failure
twice Gas pipe temperature sensor failure
3 times Ambient temperature sensor failure
4 times Communication abnormal between indoor and outdoor
5 times Communication abnormal with EEV box
6 times Repeated indoor unit number or communication failure
between indoor 846 chip and 808 chip
10 times Indoor motor abnormal
11 times Float switch or pump motor abnormal
12 times Indoor EEPROM abnormal
13 times Indoor over heat
Note: if indoor RUN lamp flashes, that shows outdoor abnormal, so no matter how many times it
flashes, you should check outdoor indicator flash times and the relative failure code.

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