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When it does not operate
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Is the fuse all right?
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Is the voltage extremely high or low?
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Is the circuit breaker “ON”?
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Was the air filter cleaned?
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Does sunlight fall directly on the outdoor unit?
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Is the air flow of the outdoor unit obstructed?
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Are the doors or windows opened, or is there any source
ofheat in the room?
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Is the set temperature suitable?
CONDITION
CHECK THE FOLLOWING POINTS
Notes
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In quiet operation or stopping the operation, the following phenomena
may occassionally occur, but they are not abnormal for the operation.
(1) Slight flowing noise of refrigerant in the refrigerating cycle.
(2) Slight rubbing noise from the fan casing which is cooled and then
gradually warmed as operation stops.
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The odor will possibly be emitted from the room air conditioner because
the various odor, emitted by smoke, foodstuffs, cosmetics and so on,
sticks to it. So please clean the air filter and the evaporator regularly to
reduce the odor.
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When it does not cool well
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.
Please contact your sales agent immediately if the air conditioner still fails to operate normally after the
above inspections. Inform your agent of the model of your unit, production number, date of installation.
Please also inform him regarding the fault.
Power supply shall be connected at the rated voltage, otherwise the unit will be broken or could not reach
the specified capacity.
Please note:
On switching on the equipment, particularly when the room light is dimmed, a slight brightness fluctuation
may occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.
AFTER SALES SERVICE AND WARRANTY