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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.
Air conditioner does not r un at all 1. Power f ailure. 1.
After a po wer outage, pr ess O N/OFF operation b utton
o nthe
wired re mote control unit.
2. Leakage circuit break er has
tripped.
2. Contact ser vice center .
3. Line v oltage is too lo w.
3. Consult y our electr ician or dealer .
4. Operation b utton is tur ned off .
4. Press the b utton again.
5. The wired remote control unit or heat pump is
(
The in spection ma rk and t he
letters E, F ,
H , L , P in
combination wit h numbers
appear
the LCD of t he wire d
remote co ntrol u nit.)
5. Consult y our dealer .
Compressor r uns b ut soon s tops 1. Obstruction in front of condenser coil 1. Remo ve obstruction
Poor cooling (or heating) performance 1. Dirty or clogged air filter . 1. Clean air filter to impro ve the
2. Heat source or man y people in
room.
2. Eliminate heat source if possib le.
3. Doors and/or windows are open.
3. Shut them to k eep the heat (or
cold) out.
4. Obstacle near air intak e or air
discharge por t.
4. Remove it to e nsure good airflo w.
5. Thermostat is set too high f or
(or too lo w f or heating).
5. Set the temper ature lo wer (or
higher).
6. (Defrosting system does not w ork.)
6. (Consult y our dealer .)
Trouble
Possible Cause
Remedy
airflow.
cooling
malfunctioning.
on
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Tips for Energy Saving
Avoid
Do
• 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.
• 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 interrupted.
NOTE