Hitachi RAK-18QH8S Manual Del Usuario página 23

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  • ESPAÑOL, página 110
AFTER SALE SERVICE AND WARRANTY
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.
CONDITION
If the remote controller is not
transmitting a signal.
Remote controller display
is dim or blank.)
When it does not operate
When it does not cool well
When it does not hot well
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
specifi ed capacity.
NOTE:
If the supply cord is damaged, it must be replaced by the special cord obtainable at authorized service
parts centers.
On switching on the equipment, particularly when the room light is dimmed, a slight brightness fl uctuation
may occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.
The moveable panels are not moving
Check to ensure whether the front panels have been installed in a proper manner.
Do the batteries need replacement?
Is the polarity of the inserted batteries correct?
Is the fuse all right?
Is the voltage extremely high or low?
Is the circuit breaker "ON"?
Is the setting of operation mode different from other indoor units?
Is the air fi lter blocked with dust?
Does sunlight fall directly on the outdoor unit?
Is the air fl ow of the outdoor unit obstructed?
Are the doors or windows opened, or is there any source of heat in
the room?
Is the set temperature suitable?
Are the air inlets or air outlets of indoor and outdoor units
blocked?
Is the fan speed "LOW" or "SILENT"?
Notes
In quiet operation or stopping the operation, the following phenomena may
occassionally occur, but they are not abnormal for the operation.
(1) Slight fl owing 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.
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 the air fi lter and the evaporator regularly must be cleaned to reduce the
odor.
CHECK THE FOLLOWING POINTS
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