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