Haier HSU-09H03/(BP)1 Service Manual page 43

Abnormality diagnosing
a.The temperature sensor of coil pipe of indoor unit is in short circuit or broken
circuit,the timing indicator of indoor unit is on,the power indicator is flickered
in 1Hz;
b.The rom temperature sensor of indoor unit is inshort circuit or broken circuit:
the timing indicator of indoor unit is off,the power indicator is flickered in 1Hz;
c.The motor of indoor unit has nor backfeed of signal, the power indicator of indoor
unit and running indicator are flickered twice,then the power indicator,running indi-
cator and timing indicator are all flickered for 1 second, then repeating the cycle.
Domestic Air Conditioner
43
HSU-09H03/(BP)1
Model:
HSU-12H03/(BP)1