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•
Check if direct sunlight enters the room (when
cooling).
•
Check if the ventilation fan is in operation.
Use curtains or blinds.
•
When there are too many inhabitants in the
room (when cooling).
•
Check if the heat source of the room is
excessive (when cooling).
4. Operation was performed or stopped
although the ON/OFF button was not
pressed.
•
Are you sure that the ON/OFF timer operation
is not used?
Turn off the ON/OFF timer.
Please refer to operation manual attached to
the remote controller.
•
Are you sure that any remote control device is
not connected?
Contact the central control room that directed
the stop.
•
Are you sure that the display for centralized
control is not lit?
Contact the central control room that directed
the stop.
If the problem is not solved after checking the
above points, please do not try to repair it
yourself.
In such cases, always ask your local dealer.
At this time, please tell the symptom and
model name (written on the model name
plate).
If one of the following malfunctions occurs, take
the measures shown below and contact your
local dealer.
The air conditioner must be repaired by a qualified
service person.
WARNING
When the air conditioner is malfunctioning
(giving off a burning odour, etc.) turn off power
to the air conditioner and contact your local
dealer.
Continued operation under such circumstances
may result in a failure, electric shocks or a fire.
Contact your local dealer.
•
If a safety device such as a fuse, a power circuit
breaker or an earth leakage breaker frequently
actuates;
Measure:
Do not turn on the main power switch.
•
If the ON/OFF switch does not properly work;
Measure:
Turn off the main power switch.
•
If water leaks from the indoor unit.
Measure:
Stop the operation.