7
owner’s manual
Table.11-1
Table.11-5
Table.11-2
Table.11-3
Table.11-4
Symptom
The wind
speed
cannot be
shifted
Check item
The shift function cannot be set
cause
Check whether the
mode marked on the
screen is AUTO
Check whether the
mode marked on the
screen is DEWET
When you select the
AUTO mode, the
indoor unit will select
“AUTO” for the air
speed automatically
When you select the
DEWET mode, the
indoor unit will select
“AUTO” for the air
speed
automatically.The aie
speed is selectable
only in
the“cooling”,“heating”
and “supply air” mode
Symptom
The buttons
of the
remote
controller
do
When
pressing the
ON/OFF
button,
the air
conditioner
does not
raise the
receiving
tone
Check item
No sound of receiving signal
cause
Check the screen of the
remote controller
When the ON/OFF button
is pressed, check
whether the signal
transmitting part of the
remote controller is
aligned with the receiving
part of the indoor unit.
Check whether the power
switch of the air
conditioner is connected
properly
Align the signal
transmiting part of the
remote controller with
the receiving part of the
indoor unit. Then press
the ON/OFF button
repeatedly.The air
conditioner cannot
receive the signals of
the remote controller
because it is shut
down.
Lock buttons
Symptom
After a while,
the ON/OFF
display
disappears
After a while,
the
TIMING ON
display
disappears
Check item
The display disappears
cause
Check whether the time
set on the timer has
expired
Check whether the time
set on the timer has
expired
The air conditioner
stops running
because the set time
has expired
When it comes to the
set time of starting
operation of the air
conditioner,the air
conditionerwill start
running automati-
cally, and the
corresponding display
will disappear.
Symptom
When you
press
ON/OFF
button, the
remote
controller
signal
cannot be
transmitted
Check item
The transmitting symbol
³Ÿ´GRHVQRWEOLQN
cause
Check whether the
batteries of remote
controller are low
When the batteries
are exhausted, the
signals cannot be
transmitted
Symptom
The
temperature
indicator
does not
light up
Check item
The temperature indicator dose not light up
cause
Check whether the
mode narked on the
screen is Supply Air
In the Supply Air
mode, the temperature
cannot be set
12.
REPAIR
In case your air conditioner fails to operate normally, shut
down the unit and cut off the power supply promptly. Then
contact the manufacturer distributor. Report the model, opera-
tion environment and fault information of the air conditioner in
detail, request for sending technicians to repair, but do not fix
it by yourself at your discretion.
13.
TROUBLE SHOOTING
PRE-DEF indicator(cooling and heating type)
or fan only indicator(cooling only type)
Infrared signal receiver
Operation lamp
Timer lamp
Alarm lamp
Manual Switch
1R
Display
Problem
The PRO terminal on PCB of
indoor unit without connected
to grounding wire, or optical
coupler on PCB malfunction
Room temperature sensor
malfunction
Evaporator temperature
sensor malfunction
Condensator temperature
sensor malfunction
Water-level check malfunction
Eeprom malfunction
All lamps flashing
at 5Hz
Timer lamp flashing
at 5Hz
Operation lamp
flashing at 5Hz
Defrosting lamp
flashing at 5Hz
Alarm lamp flashing
at 5Hz
Operation lamp &
Timer lamp flashing
at 5Hz
