Samsung AR12FSFPESNNEU, Service Manual

Page: 55 / 95

10.
10-1
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.
t
Check status and then operate the air conditioner
again.
t
Plug in or switch on the circuit breaker and then operate the
air conditioner again.
t
Check if you have set the Timer. Operate the air
conditioner again by pressing the Power button.
The temperature
adjustment is not
working.
t
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.
t
Check if the set temperature is higher(during Cool mode)/
lower(during Heat mode) than the current temperature.
Press the
Temp + or - button on the remote controller to
change the set temperature.
t
Check if the Air is blocked by dirt. If there is a lot of
dust on the Air cooling(heating) performance may
decrease. Clean them frequently.
t
Check if the outdoor unit is covered or installed near the
t If you want to operate the air conditioner in the sunlight,
cover the outdoor unit using curtains or etc.
t 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.
t If the doors or windows are open, it may cause bad cooling
(heating) performance.
Close the doors and windows.
t
Check if the air conditioner has just been turned on after
stopping cooling(heating) operation. In this case, just a fan
will run to protect the outdoor unit compressor.
t
Check if the pipe length is too long. When the pipe length
exceeds maximum allowable pipe length, cooling (heating)
performance may decrease.
power