30
Maintenance
4.7.2 Anomalies and remedies
If problems occur, please check the following before contacting a service centre.
Anomalies
Possible causes
Remedies
Unsatisfactory cooling
performance
The set temperature may be higher than
the room temperature
Set a lower temperature
The heat exchanger of the indoor or
outdoor unit is dirty
Clean the heat exchanger (Service Centre)
The air filter is dirty
Remove the filter and clean it following
instructions
The air inlet or outlet of the indoor or
outdoor unit is blocked
Turn off the unit, remove the cause of the
obstruction and turn the air conditioner on again
Open doors and windows
Close doors and windows when using the unit
Sunlight produces excessive heat
Close curtains and windows during the hottest
hours or when the sun is brightest
Too many heat sources in the room
(people, computers, electronic devices,
etc.)
Reduce heat sources
Low refrigerant level due to leakage or
prolonged use
Check for leaks, reseal the system if necessary
and refill the refrigerant (Service Centre)
The SILENCE function is active
The SILENCE function can reduce product
performance by reducing the frequency of
operation. Deactivate the SILENCE function.
The unit does not work
Power failure
Wait for power to be restored
The unit is turned off
Switch on the device
The fuse is blown
Replace the fuse (Service Centre)
Remote control batteries are low
Replace batteries
Protection function with 3-minute delay
is active
Wait three minutes before restarting the unit
The timer is active
Deactivate the timer
The unit starts or stops
frequently
The amount of refrigerant in the system
is excessive or insufficient
Check for leaks and top up the refrigerant
(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 refrigerant (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 off immediately and
contact an authorised service centre.
Содержание Ceiling & Floor-SL 2 IF2 53M Series
Страница 34: ...34 Allegati 6 ALLEGATI 6 1 Schemi elettrici unit interna 53M SERIE GRANDEZZA IF2 XY 53M...
Страница 36: ...36 Allegati 6 3 Schemi elettrici unit esterna 105M 140M 160M SERIE GRANDEZZA IF2 XY 105M 140M 160M...
Страница 74: ...34 Attachments 6 ATTACHMENTS 6 1 Indoor unit wiring diagrams 53M SERIES SIZE IF2 XY 53M...
Страница 76: ...36 Attachments 6 3 Outdoor unit wiring diagrams 105M 140M 160M SERIES SIZE IF2 XY 105M 140M 160M...
Страница 114: ...34 Pi ces jointes 6 PI CES JOINTES 6 1 Sch mas lectriques unit interne 53M S RIE TAILLE IF2 XY 53M...
Страница 116: ...36 Pi ces jointes 6 3 Sch mas lectriques de l unit externe 105M 140M 160M S RIE TAILLE IF2 XY 105M 140M 160M...