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please check the following things about your air conditioner before making a servie call.
Unit fails to start
ON
OFF
Is the power source
switch adjust cut in?
Is city supply power in
normal?
Power
stoppage?
Isn't the signal receiving
section exposed to the
direct sunlight or strong
illumination?
Isn't the earth leakage
breaker in action?
It is dangerous. Turn off
the power supply switch
immediately and contact
the sales dealer.
Power supply switch is
not ON.
Cooling or heating is not sufficient
Is the thermostat adjust
as required?
Isn't the air filter dirty?
Isn't any doors or windows
left open?
Doesn't any obstacle
exist at the air inlet or
outlet?
Cooling is not sufficient
Isn't sun-shine invading
direct?
Isn't any unexpected
heating load generated?
Isn't the room much
crowded?
Isn't the swing louver
horizontal?
(At HEATING mode)
If swing louver is horizontal,
the blow wind does not reach
floor.
The wind does not blow
during heating operation
Isn't it warming up?
When the air conditioner does not operate properly after you have checked the above mentioned
items or when the following phenomenon is observed, stop the operation of the air conditioner
and contact your sales dealer.
The fuse or breaker often shuts down.
Water drops off during cooling operation.
There is a irregularity in operation or abnormal sound is audible.
When the CHECK LED1 (red) flickers, an irregularity has occurred in the air conditioner.
Malfunction
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