DC Inverter
X-Series
for R410A Unitary Split Air Conditioner
28
The following situations are not operation failures.
Problem
Time of occurrence
Cause
Mist comes from the air
conditioner.
During operation.
If the unit is running under
high humidity, the wet air in
the room will be quickly
cooled down.
The air conditioner
generates some noise.
The air conditioner is
buzzing at the beginning of
operation.
Thermostat will be buzzing
when it starts working. The
noise will become weak
1min later.
Dust comes from the air
conditioner.
When the unit is turned on,
it purrs.
When the system is just
started, the refrigerant is not
stable. About 30s later, the
purr of the unit becomes
low.
There is hissing sound
when the unit is started or
stopped and a slight hissing
sound during and after
operation.
It’s the sound of gaseous
refrigerant that stops flowing
and the sound of drainage
system.
There is a sound of
crunching during and after
operation.
Because of temperature
change, front panel and
other components may be
swelled up and cause
abrasion sound.
The unit starts operation
after being unused for a
long time.
Dust inside the units come
out together with the air.
The air conditioner
generates some smell.
During operation.
The room smell or the smell
of cigarette comes out
through the units.
Check the above items and adopt the corresponding corrective measures. If the air
conditioner continues to function poorly, please stop the air conditioner immediately
and
contact
AC PRO
’s authorized local service center.
