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English
• Troubleshooting measures are classifi ed into the following two types on a remedial basis.
Take an appropriate measure according to the symptom.
Not malfunction
• The following conditions do not indicate a problem with the system.
Check
• Please check again before calling a repair person.
The air conditioner does not operate.
(OPERATION lamp is off.)
• Is a breaker off or a fuse blown?
• Is there a power failure?
• Are batteries set in the remote controller?
• Is the timer setting correct?
Air does not come out.
In HEAT operation
• The air conditioner is warming up. Wait for about 1 to 4
minutes.
• During defrosting operation, hot air does not fl ow out of
the indoor unit.
When the air conditioner operates immediately
after the circuit breaker is turned on
• The air conditioner is preparing to operate. Wait for about
3 to 20 minutes.
Operation stopped suddenly.
(OPERATION lamp is on.)
• For system protection, the air conditioner may stop
operating on a sudden large voltage fl uctuation. It
automatically resumes operation in about 3 minutes.
Operation stopped suddenly.
(OPERATION lamp fl ashes.)
• Are the air fi lters clean?
Clean the air fi lters.
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
• Turn the bleaker off and take all obstacles away. Then
turn it on again and try operating the air conditioner with
the remote controller. If the lamp still fl ashes, call the
service shop where you purchased the air conditioner.
• Are operation modes all the same for indoor units
connected to outdoor units in the multi system?
If not, set all indoor units to the same operation mode
and confi rm that the lamps fl ash.
Moreover, when the operation mode is in AUTO, set all
indoor unit operation modes to COOL or HEAT for a
moment and check again that the lamps are normal. If
the lamps stop fl ashing after the above steps, there is no
malfunction.
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Mist comes out of the indoor unit.
• This happens when the air in the room is cooled into
mist by the cold airfl ow during COOL operation.
• This is because the air in the room is cooled by the heat
exchanger and becomes mist during defrosting
operation.
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