Troubleshooting measures are classifi ed into the following two types on a remedial basis.•
Take an appropriate measure according to the symptom.
Not trouble
These cases are not troubles.•
Check
Please check again before calling a repair person.•
The air conditioner does not operate.
(OPERATION lamp is off.)
Hasn’t a breaker turned off or a fuse blown? •
Isn’t it a power failure? •
Are batteries set in the remote controller? •
Is the timer setting correct?•
Hot air does not fl ow out soon after
the start of heating operation.
The air conditioner is warming up. You should wait for •
1 to 4 minutes. (The system is designed to start
discharging air only after it has reached a certain
temperature.)
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 bought 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.
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.
Page 28
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.
01_EN_3P266960-1A.indd 3601_EN_3P266960-1A.indd 36 6/1/2011 9:16:53 AM6/1/2011 9:16:53 AM
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