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Haier air conditioner Edition: 20070116
- 41 -
F22
With this malfunction, LED1
on the outdoor mainboard
blinks 3 times.
1)The SPDU is broken
2)The power supply is not good
3) The system may have been over or under
charged with gas
F1
With the malfunction, LED1
on the outdoor mainboard
blinks 2 times at frequency
of 1 Hz
1)IPM Module might be poorly radiated
2)IPM Module might be broken
3)Compressor might be broken
E9
With the malfunction, LED1
on the outdoor mainboard
blinks 21 times at frequency
of 1 Hz
1)Check whether the indoor unit blows
poorly due to blocked filters or poor
condition of the fan
2)The system is over charged with gas
3)Temperature of coil pipes on the indoor
unit too high
E4,F12
With outdoor EEPROM,
LED1 on the outdoor
mainboard blinks once at
frequency of 1 Hz
1)E4 the indoor PCB might be damaged
2)F12 the outdoor PCB might be damaged
E14 /
1) Whether Terminal CN2 on the indoor
mainboard is well inserted or not?
2) The indoor mainboard is damaged
3) The motor of the indoor unit is damaged
F8
With the malfunction, LED1
on the outdoor mainboard
blinks 9 times at frequency
of 1 Hz
1)The installation on terminal CN2 might be
not good
2)The mainboard of the indoor unit is
damaged
3)The motor of the Outdoor unit is damaged
F3
With the malfunction, LED1
on the outdoor mainboard
blinks 4 times at frequency
of 1 Hz
1)The connection between IPM and the
outdoor PCB might be not good
2)The mainboard of the outdoor unit is
damaged
3)The IPM module is damaged
F19
With the malfunction, LED1
on the outdoor mainboard
blinks 6 times at frequency
of 1 Hz
1)The IPM module is damaged
2)Check power supply
3)The reactor of outdoor is damage
4)The rectifying bridge or IPM module is
damage