Possible Errors; Troubleshooting - DeLonghi PLS 120 AR Bedienungsanleitung

POSSIBLE ERRORS

Code Error
High pressure protection
(*)
(*) Defrost protection
(*) Low pressure protection
(*) Compressor gas discharge protection
(*) Current overload protection
Communication malfunction
(*)
MODE conflict
(*)
(*) Alarm codes valid only for DC INVERTER model

TROUBLESHOOTING

Malfunction
• The appliance does not operate
• Strange odour
• Noise of running water
• A fine mist comes from the air outlet
• A strange noise can be heard
• Insufficient airflow, either hot or cold
• The appliance does not respond to
commands
• The control panel display is off
• Switch off the air conditioner immedi-
ately and cut off the power supply in
the event of:
SINGLE SPLIT
88
Code
(*)
(*)
(*)
(*)
(*)
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 than 244V or lower than 206V
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.
Very strong smells coming from the appliance.
INSTALLATION
Error
High temperature protection
Protection against cold air
Indoor unit room sensor disconnected
Indoor unit pipe sensor disconnected
Outdoor unit ambient sensor disconnected
Outdoor unit pipe sensor disconnected
Outdoor unit delivery line sensor short-
circuited/disconnected
INSTALLATION
Possible causes
ENGLISH
17