Delta 21CK018C24, Instruction Manual

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31
9 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 item shown below before contacting service center.
symptom cause Corrective measures
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 fail Replace batteries
The system does not
operate at all
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
Object at the air intake and air outlet
of the air conditioner Remove them
Wrong temperature setting Refer to temperature
setting
Low fan speed
Refer to fan speed setting
Air direction is not correct
Refer to swing setting
Doors or windows are open Close them
Direct sunshine Close the curtain or
blinds
Too many people in the room
Too many heating sources
Cooling and heating
is malfunctioning
Dirty air filter Clean it
★
Note: If trouble still exists after checking the above items, please contact service center.