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English
10
2. If the system stops operating after operating
the system.
•
Check if the air inlet or outlet of outdoor or indoor
unit is blocked by obstacles.
Remove the obstacle and make it well-ventilated.
•
Check if the air filter is clogged.
Ask a qualified service person to clean the air
filters (Refer to MAINTENANCE).
3. The system operates but it does not suffi-
ciently cool or heat.
•
If the air inlet or outlet of the indoor or the outdoor
unit is blocked with obstacles.
Remove the obstacle and make it well-ventilated.
•
If the air filter is clogged.
Ask a qualified service person to clean the air
filters (Refer to MAINTENANCE).
•
If the set temperature is not proper (Refer to
the operation manual attached to the remote
controller).
•
If the FAN SPEED button is set to LOW
SPEED (Refer to the operation manual
attached to the remote controller).
•
If the air flow angle is not proper (Refer to AIR
FLOW DIRECTION ADJUST).
•
If the doors or the windows are open. Shut doors
or windows to prevent wind from coming in.
•
If direct sunlight enters the room (when cooling).
Use curtains or blinds.
•
When there are too many inhabitants in the
room (when cooling).
Cooling effect decreases if heat gain of the
room is too large.
•
If the heat source of the room is excessive
(when cooling).
Cooling effect decreases if heat gain of the
room is too large.
Содержание FUQ71BUV1B x 2
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