Hitachi RAC-S18CAK Manuel D’Utilisation

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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  lter cleaned?

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  Does sunlight fall directly on the outdoor unit?

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  Is the air  ow of the outdoor unit obstructed?

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  Are the doors or windows opened, or is there any source 

of heat in the room?

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  Is the set temperature suitable?

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  In quiet or stop operation, the following phenomena may occassionally 

occur, but they are not abnormal for the operation.

 

(1)  Slight  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  lter and the evaporator regularly must be cleaned 
to reduce the odor.

●

  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 speci ed  capacity.

When it does not cool well

Please note:
On switching on the equipment, particularly when the room light is dimmed, a slight brightness  uctuation 
may occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.

If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly 
quali ed person in order to avoid a hazard.

RAS-RAC-S18CAK (3).indd   20

8/18/10   9:09 AM