CLIVET CRISTALLO MM2-Y 27M Handbuch Für Installation Seite 51

Maintenance
4 MAINTENANCE
It is good practice to periodically clean both the internal and external parts of the appliance. This guarantees its proper
functioning and durability.
Carry out periodic maintenance of the appliance in accordance with the regulations in force.
Maintenance must be carried out by qualified technical personnel.
f
ATTENTION ELECTRIC DANGER
Before cleaning or maintenance, always turn off the air conditioner and disconnect it from the power supply.
4.1 Troubleshooting
a
CAUTION DANGER
If any of the following conditions occur, turn the unit off immediately.
– The power cord is damaged or unusually hot.
– You can smell burning.
– The unit makes loud or abnormal noises.
– A fuse blows or the circuit breaker trips frequently.
– Water or other substance have fallen into the unit, or water or other substance have leaked from the unit.
DON'T TRY TO SOLVE THE PROBLEM YOURSELF. IMMEDIATELY CONTACT AN AUTHORISED
SERVICE CENTRE.
4.1.1 Abnormalities and remedies
If problems occur, please check the following before contacting a service centre.
Anomalies
Unsatisfactory cooling
performance
The unit does not work
Possible causes
The set temperature may be higher than
the room temperature
The heat exchanger of the indoor or
outdoor unit is dirty
The air filter is dirty
The air inlet or outlet of the indoor or
outdoor unit is blocked
Open doors and windows
Sunlight produces excessive heat
Too many heat sources in the room
(people, computers, electronic devices,
etc.)
Low refrigerant level due to leakage or
prolonged use
The SILENCE function is active
Power failure
The unit is turned off
The fuse is blown
Remote control batteries are low
Protection function with 3-minute delay
is active
The timer is active
Remedies
Set a lower temperature
Clean the heat exchanger (Service Centre)
Remove the filter and clean it following
instructions
Turn off the unit, remove the cause of the
obstruction and turn the air conditioner on again
Close doors and windows when using the unit
Close curtains and windows during the hottest
hours or when the sun is brightest
Reduce heat sources
Check for leaks, reseal the system if necessary
and refill the coolant (Service Centre)
The SILENCE function can reduce product
performance by reducing the frequency of
operation. Deactivate the SILENCE function.
Wait for power to be restored
Switch on the device
Replace the fuse (Service Centre)
Replace batteries
Wait three minutes before restarting the unit
Deactivate the timer
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