Troubleshooting
If your air conditioner does not work properly, first check the following points before requesting service. If it still does
not work properly, contact your dealer or a service center.
Tips for Energy Saving
Trouble Possible
Cause Remedy
Air conditioner does not run at all.
1. Power failure.
1.
After a power outage, press ON/
OFF operation button on the
wired remote control unit.
2. Leakage circuit breaker has
tripped.
2. Contact service center.
3. Line voltage is too low.
3. Consult your electrician or dealer.
4. Operation button is turned off.
4. Press the button again.
5. The wired remote control unit or
heat pump is malfunctioning.
(
The inspection mark
and the
letters E, F, H, L, P in
combination with numbers
appear on the LCD of the wired
remote control unit.)
5. Consult your dealer.
Compressor runs but soon stops.
1. Obstruction in front of condenser
coil.
1. Remove obstruction.
Poor cooling (or heating)
performance.
1. Dirty or clogged air filter.
1. Clean air filter to improve the
airflow.
2. Heat source or many people in
room.
2. Eliminate heat source if possible.
3. Doors and/or windows are open.
3. Shut them to keep the heat (or
cold) out.
4. Obstacle near air intake or air
discharge port.
4. Remove it to ensure good airflow.
5. Thermostat is set too high for
cooling (or too low for heating).
5. Set the temperature lower (or
higher).
6. (Defrosting system does not work.)
6. (Consult your dealer.)
Avoid
•
Do not block the air intake and outlet of the unit. If either is
obstructed, the unit will not work well, and may be damaged.
•
Do not let direct sunlight into the room. Use sunshades, blinds or curtains.
If the walls and ceiling of the room are warmed by the sun, it will take
longer to cool the room.
Do
•
Always try to keep the air filter clean. (Refer to “Care and Cleaning”.) A
clogged filter will impair the performance of the unit.
•
To prevent conditioned air from escaping, keep windows, doors and any
other openings closed.
Should the power fail while the unit is running
If the power supply for this unit is temporarily cut off, the unit will automatically
resume operation once power is restored using the same settings before the
power was cut off.
NOTE
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