Haier AU182AFBEA - Page 297

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4) Freezing in cooling cycle
Start
Is pipe temperature
sensor in good
condition?
yes
yes
yes
if indoor fan motor is normal?
speed is too low or not run?
no
no
no
change pipe temp.
sensor
if filter, indoor
heat exchanger
are dirty
yes
cleaning
no
indoor PCB failure
repair fan motor or fan capacitor
indoor/outdoor
temp. too low
if failure disappear after
PCB is changed
5) Overload in cooling mode
Is pipe temperature
sensor in good
condition?
change pipe temp.
sensor
if outdoor heat
exchanger are
dirty
cleaning
if outdoor fan motor is normal?
speed is too low or not run?
repair fan motor or fan capacitor
if failure disappear after
PCB is changed
outdoor PCB failure
indoor/outdoor
temp. too high
no
no
no
yes
yes
yes
yes
no
start
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