25
Troubleshooting
Refer to the following chart if the air conditioner operates abnormally. This may save
time and unnecessary expenses.
PROBLEM
SOLUTION
The air
conditioner does
not work at all.
•
Check
power status and then operate the air conditioner
again.
•
Plug in or switch on the circuit breaker and then operate the
air conditioner again.
•
Check if you have set the Timer. Operate the air
conditioner again by pressing the
Power
button.
The temperature
adjustment is not
working.
•
Check if you have selected Fan/Turbo mode.
In these modes, desired temperature is set to auto
and you cannot adjust the temperature.
Cool/Warm air
does not come
out of the air
conditioner.
•
Check if the set temperature is higher(during Cool mode)/
lower(during Heat mode) than the current temperature.
Press the
Temp hr. +
or
–
button on the remote controller to
chan
Check if the Full HD filter is blocked by dirt. If there is a lot of dust
on the Full HD filter, cooling(heating) performance may decrease.
ge the set temperature.
Clean them frequently.
•
•
Check if the outdoor unit is covered or installed near the
•
If you want to operate the air conditioner in the sunlight,
cover the outdoor unit using curtains or etc.
•
Check if the air conditioner is operating in De-ice mode.
When the ice formed in winter or the outdoor temperature
is too low, the air conditioner operates in De-ice mode
automatically. In De-ice mode, indoor fan stops and cool air
does not come out.
•
If the doors or windows are open, it may cause bad cooling
(heating) performance.
Close the doors and windows.
•
Check if the air conditioner has just been turned on after
stopping cooling or heating operation. In this case, just a fan
will run to protect the outdoor unit compressor.
•
Check if the pipe length is too long. When the pipe length
exceeds maximum allowable pipe length, cooling (heating)
performance may decrease.
Crystal EU_AR09FSSE@_IB_DB68-03364A_EN.indd 26
2012-11-1 14:31:01
