18
Maintenance
Anomalies Possible causes Remedies
The unit starts or stops
frequently
The amount of refrigerant in the system
is excessive or insucient
Check for leaks and top up the coolant (Service
Centre)
Incompressible gas has entered or
moisture has penetrated the system.
Evacuate the system and recharge the
refrigerant (Service Centre)
The compressor is faulty Replace the compressor (Service Centre)
The voltage is too high or too low Install a voltage controller (Service Centre)
Unsatisfactory heating
performance
The outside temperature is extremely
low
Using an auxiliary heating appliance
Cold air enters through doors and
windows
Close doors and windows when using the unit
Low refrigerant level due to leakage or
prolonged use
Check for leaks, reseal the system if necessary
and refill the coolant (Service Centre)
The indicator lights
continue to flash
The unit may stop or continue to operate properly. If the indicator lights continue to flash or
error codes are displayed, wait approximately 10 minutes. The problem may solve itself.
If not, disconnect the unit from the power mains and reconnect it. Turn on the unit.
If the problem persists, disconnect the unit from the power supply and contact the nearest
service centre.
An error code appears
on the display of the
indoor unit:
• E0, E1, E2…
• P1, P2, P3…
• F1, F2, F3…
NOTE: if, after performing the above checks and diagnostic procedures, the problem persists, turn the unit o immediately and
contact an authorised service centre.
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