Trouble Shooting - Delta 21CK018C24 Instruction Manual

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
The system does not
operate at all
The system
right after it is
started
Cooling and heating
is malfunctioning
★Note: If trouble still exists after checking the above items, please contact service center.
Phase opposition or fuse broken
Power off
Loose plug
Batteries of remote controlling fail
Out of the remote controlling range
stops 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
.
cause
31
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
Refer to fan speed setting
Refer to swing setting
Close them
Close the curtain
blinds
Clean it
or