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WARNING
WARNING
REGULAR INSPECTION
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Check to see if the unit’s earth line has been connected
correctly.
If the earth line is disconnected or faulty, unit failure or electric
shock hazard may result.
Check to see if the mounting frame has rusted excessively
or if the outdoor unit has tilted or become unstable.
It could collapse or fall, causing injury.
PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR SALES
AGENT SHOULD YOU NEED ANY HELP.
Check to see if the power plug is securely inserted into the
wall socket.
If the power plug is not inserted into the wall socket securely, it
will become hot and an electric shock or fire may occured. If dust
or dirt is found on the power plug, clean the plug and insert it into
the wall socket.
WARNING
AFTER SALES SERVICE AND WARRANTY
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• Do the batteries need replacement?
• Is the polarity of the inserted batteries correct?
• Is the air filter blocked with dust?
• Is the set temperature suitable?
• Have horizontal air deflectors been adjusted to their correct positions
according to the operation mode selected?
• Are the air inlets or air outlets of indoor and outdoor units blocked?
• Is the fan speed “LOW” or “SILENT”?
• Is the fuse all right?
• Is the voltage extremely high or low?
• Is the circuit breaker “ON”?
• Is the power plug inserted?
• Do you have any power cut?
When it does not operate.
When it does not cool well.
When it does not heat well.
If the remote controller is not
transmitting a signal.
(Remote controller display is
dim or blank.)
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.
The following phenomena do not indicate unit failure.
<Operation start>
The unit is preparing to blow warm air. Please wait.
<In operation>
The outdoor unit is defrosting. Please wait.
Hissing or fizzy sounds
Refrigerant flow noise in the pipe or valve sound generated when flow rate is
adjusted.
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Rustling noise
Noise generated with the indoor unit fan’s rpm changing such as operation start
times.
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During heating, the operation indicator
blinks and air blow stops
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