CIAC CH41A - Troubleshooting; Error Signals on the Displa

TROUBLESHOOTING
25
MALFUNCTION
Strange odour
The unit does not
operate
Noise of running water
A ne mist comes from
the air outlet
Insucient airow, either
hot or cold
The unit does not
respond to commands
The display is o
Switch o the air condi-
tioner immediately and
cut o the power supply
in the event of:
ERROR SIGNALS ON THE DISPLA Y
In case of error, the display on the indoor unit shown the following error codes:
POSSIBLE CAUSES
Power failure/disconnected, breakers tripped.
Damaged indoor/outdoor unit fan motor
Faulty compressor
Faulty protective device or fuses.
Loose connections
Stopped due to protection device.
Voltage higher or lower than the voltage range
Active TIMER-ON function
Damaged electronic control board
Dirty air lter
Back ow of liquid in the refrigerant circulation
This occurs when the air in the room becomes very cold, for example in the
COOLING or DEHUMIDIFYING/DRY modes.
This noise is made by the expansion or contraction of the front panel due
to variations in temperature and does not indicate a problem.
Incorrect temperature setting.
Obstructed air intakes and outlets.
Dirty air lter or coil.
Fan speed set at minimum.
Other sources of heat in the room.
Damaged fan motor or blower.
Remote control is not close enough to indoor unit.
Weak or dead batteries in remote control.
Obstacles between remote control and signal receiver in indoor unit.
Active LIGHT function
Power failure
Strange noises during operation.
Faulty electronic control board
Faulty fuses or switches.
Obstructions inside the unit.
Overheated cables or plugs.
Very strong smells coming from the appliance.
indoor temperature sensor failure
indoor coil temperature sensor failure
Malfunction of indoor fan motor.
Creaking or snapping
noise
ashes once
RUN lamp
ashes twice
ashes 6 times
Description of the trouble