Troubleshooting - DeLonghi ONE On-Off 7K Operating And Installation Manual

TROUBLESHOOTING

Malfunction
commands
ately and cut off the power supply in
the event of:
SINGLE SPLIT
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.
Active TIMER-ON function
Damaged electronic control board
Dirty air filter
Back flow of liquid in the refrigerant circuit
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.
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.
Remote control not near enough to indoor unit.
The remote control batteries are dead.
Obstacles between remote control and signal receiver on indoor unit.
Active LIGHT function
Power failure
Faulty control panel
Faulty electronic control board
Strange noises during operation.
Faulty fuses or switches.
-
Spraying water or objects inside the appliance.
Overheated cables or plugs.
Possible causes
INSTALLER
ENGLISH
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