Tesla TM28AF21-0932IAW, User Manual

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59
ENG
TROUBLESHOOTING
Malfunction Possible causes
The appliance does not
operate
Power failure/plug pulled out.
Damaged indoor/outdoor unit fan motor.
Faulty compressor thermomagnetic circuit breaker.
Faulty protective device or fuses.
Loose connections or plug pulled out.
It sometimes stops operating to protect the appliance.
Voltage higher or lower than the voltage range.
Active TIMER-ON function.
Damaged electronic control board.
Strange odor Dirty air filter.
Noise of running water Back flow of liquid in the refrigerant circulation.
A fine mist comes from
the air outlet This occurs when the air in the room becomes very cold, for example in the
COOLING or DEHUMIDIFYING/DRY modes.
A strange noise can be
heard This noise is made by the expansion or contraction of the front panel due to
variations in temperature and does not indicate a problem.
Insufficient airflow, either
hot or cold
Unsuitable temperature setting.
Obstructed air conditioner intakes and outlets.
Dirty air filter.
Fan speed set at minimum.
Other sources of heat in the room.
No refrigerant.
The appliance does not
respond to commands
Remote control is not close enough to indoor unit.
The batteries of remote control need to be replaced.
Obstacles between remote control and signal receiver in indoor unit.
The display is off
Active DISPLAY function.
Power failure.
Switch off the air condi-
tioner immediately and
cut off the power supply
in the event of:
Strange noises during operation.
Faulty electronic control board.
Faulty fuses or switches.
Spraying water or objects inside the appliance.
Overheated cables or plugs.
Very strong smells coming from the appliance.