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DC Inverter Cassette Type Air Conditioner Installation and Operation Manual
12. Trouble Shooting
Warning:
● In case of something abnormal (such as bad smell), shut of the power switch immediately and contact
service center.
● Do not repair the air conditioner by yourself because wrong repair may cause fire, please contact service
center to do it for you.
Check the items shown below before contact with service center.
symptom
The system does not operate at
all
The system stops right after it
is started
C o o l i n g a n d h e a t i n g i s
malfunctioning
Note: If trouble still exists after checking the above items, please contact service center.
cause
Phase opposition or fuse broken
Power off
Loose plug
Batteries of remote controlling fall
Out of the remote controlling range
Object at the air intake and air outlet
of the air conditioner
Object at the air intake and air outlet
of the air conditioner
Wrong temperature setting
Low fan speed
Air direction is not correct
Doors or windows are open
Direct sunshine
Too many people in the room
Too many heating sources
Dirty air filter
68
Corrective measures
Change phase or replace fuse
It will restart when power is on
Put the plug into place
Replace batteries
Keep the distance in 10mm
Remove them
Remove them
Refer to Temperature Setting and SAVE
Function Setting
Refer to Fan Speed Setting and Quiet
Function Setting
Refer to Swing Control Function
Close them
Close the curtain or blinder
Change your air conditioner to a bigger one
or reduce other heating sources
Clean it
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