268
NO
NO
When abnormality indication starts again
Check the indoor unit intake air filter
Is the air filter dirty? ● Clean the air filter
● Clean the indoor unit heat exchanger
YES
Check the dust accumulation on the indoor unit heat exchanger
Is the indoor unit heat exchanger dirty?
NO
Check refrigerant amount.
Is the additional refrigerant
amount filled correctly?
- Replace the outdoor
unit PCB (main).
- Replace the outdoor high
pressure sensor.
YES
YES
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
Caution
Troubleshooting (Room air Conditioning unit)
Reclaim and recharge with
correct amount of
refrigerant.
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