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.3 - SYMPTOMS THAT DO NOT INDICATE APPLIANCE MALFUNCTIONING
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SYMPTOM 1: The appliance does not work
a. The appliance does not start immediately when the ON/OFF key is pressed on the remote control.
The operating LED switches on, the system is in normal conditions. The appliance starts 3 minutes after
switch-on to prevent over-loading the compressor motor.
b. If the operating LED and the "PRE-DEF indicator (model with heat pump) or the ventilation indicator (cooling
only model) switch on, it means that heating mode has been selected. If the compressor does not activate
when the appliance is switched on, it is possible that the "anti cold air" protection is activated because the
outlet temperature is too low.
SYMPTOM 2: Passage to ventilation mode during operation in cooling mode
a. To prevent the internal evaporator from freezing, the system will automatically pass to ventilation mode, and
then go back to cooling mode shortly afterwards.
b. When the indoor temperature drops below the temperature set, the compressor stops and the appliance
passes to ventilation mode; when the temperature rises, the compressor resumes. This takes place in the
same way in heating mode.
SYMPTOM 3: White mist escaping from the appliance
Symptom 3.1
If the cooling function is started in a room with high humidity level an the inside of the appliance is very
contaminated, the distribution of the temperature is not regular. In this case, it will be necessary to clean the
inside of the appliance.
Contact your dealer for additional details regarding cleaning the appliance.
This operation requires a qualified professional.
Symptom 3.2
If the system passes from defrosting mode to heating mode, the humidity generated by defrosting is expelled
as a vapour.
SYMPTOM 4: Noise during cooling
a. The appliance emits a low and continuous noise, like hissing, in cooling mode or when stopping.
This noise is caused by operation of the drain pump (optional accessory).
b. The appliance emits a squealing noise, like a squeak, when the system stops after operation in heating mode.
This noise is caused by the expansion and contraction of the plastic parts due to temperature changes.
SYMPTOM 5: Dust escaping from the appliance
a. This occurs when the appliance is used for the first time after a long period of time and depends on the
accumulation of dust inside the appliance
SYMPTOM 6: THEappliance gives off odours
a. The appliance can absorb the odour of rooms, furniture, cigarettes, etc. and return them to the environment.
.4 - ERROR CODES
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During the appliance functioning, a few anomalies which stop its functioning could appear.
In these cases, some error codes appear on the control panel.
• F1 The fan coil needs maintenance.
- Select the program stand-by
- Clean the air filter as described on the maintenance manual of the machine
- Switch the unit on and keep keys "T2" and "T3" pressed for 5 seconds until normal operation is
restored.
• E2 Failure in the ambient temperature probe.
- Contact assistance
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