19
Note:
If the air conditioner still runs abnormally after the above check and handling,
please contact the maintenance serviceman at the local appointed service center and
also give a description of the error occurred as well as the model of the unit.
6.2 Problem Handling
The conditions listed below are not classified into errors.
Table 14
Conditions
Causes
The unit
does not run
When restart the unit soon after it is
stopped.
The overload protection switch of the unit let
the startup delayed for three minutes.
As soon as power is on.
The unit will stand by for approximate one
minute.
The unit
blows out mist
When the cooling operation starts. The hi-humidity air indoor is cooled quickly.
The unit
generates noise
The unit “clatters” as soon as it
starts running.
It is the sound generated during the
initialization of the electronic expansion
valve.
The unit “swishes” during the
cooling operation.
It is the sound when the refrigerant gas runs
inside the unit.
The unit “swishes” when it is started
or stopped.
It is the sound when the refrigerant gas stops
running.
The unit “swishes” when it is in and
after the running.
It is the sound when the draining system is
operating.
The unit “squeaks” when it is in and
after the running.
It is the sound of frication generated by the
skin plate etc which swells due to the
temperature change.
The unit
blows out dust
When the unit restarts after it is not
used for a long time.
The dust inside the unit is blown out again.
The unit
emits odors
When the unit is running.
The odors absorbed in are blown out again.
6.3 Error Description
If some error occurs when the unit is running, the error code will be displayed on
the wired controller and the main board
of the outdoor unit.Check for more details
about the meaning of each error, as shown in table 15(a),15(b).
The error codes for duct, cassette and floor ceiling type unit are shown in the
following table 15(a):
