Haier H2SM-(9+12)HEK03/R2 User Manual

H2SM-(9+12)HEK03/R2
Service Diagnosis
Domestic Air Conditioner
53
Check whether the linking
cable between the indoor and outdoor is
not well connected
Reconnect the linking cable
Please check whether
the connecting of L or N is reversed
of the two units
Reconnect the linking wire
Reconnect the L and N wires
please reverse the outdoor
connecting wires A(C) and B
(C) between unit A and B
If A is error and B is fine, indoor
unit A PCB is damaged
If unit A have error ,
please turn on A and B both
check
whether B is fine
If A is fine and B has error,the
outdoor unit main PCB is damaged
Check whether
the LED1 on the outdoor PCB is on
The outdoor PCB is damaged
Check whether
the voltage of CN7 in outdoor pcb
is about 198-253VAC
Check whether
fuse of outdoor pcb is broken
Reaplace the fuse with
T3.15A 250V
Check whether the wire from
terminal block to out pcb is well
connected
Check whether the
voltage of CN4
in outdoor pcb is about 12VAC
The transformer is bad
The outdoor PCB is damaged
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO

Haier H2SM-(9+12)HEK03/R2 Specifications

General

Brand	Haier
Model	H2SM-(9+12)HEK03/R2
Category	Air Conditioner
Language	English