Haier HSU-12HSA03 - Electrical & Protection Faults

Haier air conditioner Edition: 20070116
- 48-
F22: AC electricity protection
Repair the power supply
Yes
Electrify the machine again and turn
it on with the remote controller. If
malfunctions are reported before or
upon the compressor being started
up.
The compressor is started normally,
but malfunctions are reported after it
has run for some time. Check the
power supply. If the voltage is too
low or too high
If the power supply is in OK,
j
udged through the pressure of
the measuring system
The IPM is damaged
The system may have been
over or under charged with
gas .
Yes
Yes
No
No