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Please check the following things about your air conditioner before making a service call.
Unit fails to start
ON
OFF
Is the power source switch
adjust cut in?
Is city supply power in normal? 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 lamp (red) flickers, an irregularity has occurred in the air conditioner.
Note:
This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it
is not required.
Troubleshooting
9
Power
stoppage?