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English
• Check if the remote controller display shows
“
” (time to clean the air filter);
Refer to the operation manual of the indoor unit.
And clean the air filter.
• Check the temperature setting.
Refer to “Operation procedure”.
• Check the fan speed setting on your remote con-
troller.
Refer to “Operation procedure”.
• Check for open doors or windows.
Shut doors and windows to prevent wind from
coming in.
• Check if there are too many occupants in the
room during cooling operation.
• Check if the heat source of the room is excessive
during cooling operation.
• Check if direct sunlight enters the room during
cooling operation.
Use curtains or blinds.
• Check if the air flow angle is not proper.
Refer to “Operation procedure”.
After-sales service and warranty
After-sales service:
DANGER
• Refrigerant gas may produce a toxic gas if it
comes in contact with fire such as from a fan,
heater, stove or cooking device. Exposure to
this gas could cause severe injury or death.
WARNING
• Do not disassemble, modify or repair the unit.
This may cause water leakage, electric shock or fire.
Contact your dealer.
• Do not remove or reinstall the unit by yourself.
Incorrect installation may cause water leakage,
electrical shock or fire.
Contact your dealer.
• When asking your dealer to repair, inform
related staff of the details as follows:
• Model name and product No. of air conditioner:
Refer to the warranty card.
• Shipping date and installation date:
Refer to the warranty card.
• Malfunction:
Inform the staff of the defective details.
(Malfunction code being displayed on
the remote controller.)
• Name, address, telephone number
• Repair after the warranty term is expired
Contact your dealer. If necessary to repair, pay
service is available.
• Minimum storage period of important parts
Even after a certain type of air conditioner is dis-
continued, we have the related important parts in
stock for 9 years at least.
The important parts indicate parts essential to
operate the air conditioner.
• Recommendations for maintenance and
inspection
Since dust collects after using the unit for several
years, the performance will be deteriorated to
some extent.
Disassembling and cleaning inside require techni-
cal expertise, so we recommend entering a main-
tenance and inspection contract (at a cost)
separate from normal maintenance.
• Recommended inspection and maintenance
cycles
[Note: The maintenance cycle is not the same
as the warranty period.]
Table 1 assumes the following usage conditions.
1. Normal use without frequent starting and stop-
ping of the machine.
(Although it varies with the model, we recom-
mend not starting and stopping the machine
more than 6 times/hour for normal use.)
2. Operation of the product is assumed to be
10 hours/day, 2500 hours/year.
• Table 1 “Inspection Cycle” and “Maintenance
Cycle” Lists
Note 1
This table indicates main parts.
See the maintenance and inspection contract for
details.
Name of Main Part
Inspection
Cycle
Maintenance Cycle
[replacements and/or
repairs]
Compressor
1 year
20,000 hours
Electric motor (fan, damper, etc.)
20,000 hours
PC boards
25,000 hours
Heat exchanger
5 years
Sensor (thermistor, etc.)
5 years
Remote controller and switches
25,000 hours
Drain pan
8 years
Expansion valve
20,000 hours
Electromagnetic valve
20,000 hours
FAN
Outside : 10 years
Indoor : 13 years
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