AIR-CONDITIONERS
COMPACT and SPLIT QUATTRO models
page 33
www.climma.it
10 TROUBLESHOOTING AND REPAIR
10.1 - IDENTIFICATION OF THE PRODUCT
Each product is identified by means of a label. Make reference to the description, to the code, to the series number if you
must eventually call the Assistance Centre.
10.2 - TROUBLESHOOTING
Before calling an Assistance Centre, check the system. The following problems are the most common ones and you can
solve them. If the system doesn’t work, even after having checked it, call the nearest CLIMMA Assistance Centre. Call the
Veco Service: +39.0362.35321 or consult the WEB page: www.climma.it
10.3 - THE UNIT DOESN’T WORK
Is the automatic switch snapped?
Reset the switch on the main board.
Is the supply voltage too low?
Check the voltage value between “L” and “N” of the “MAIN
POWER” terminal on board.)
10.4 - THE FAN DOESN’T TURN
Is the air-conditioner switched on?
Switch on the unit by means of the control panel.
Is the fuse burned?
After the necessary checks, replace the F1 fuse with
another one with the same dimensions and charge.
10.5 - THE COOLING IS NOT SUFFICIENT - CO, RC, EH
VERSIONS
Have you selected the correct operational mode?
Select on the panel the cooling mode (COOL) or AUTO
(only for the digital model).
Have you correctly regulated the thermostat?
Regulate the temperature on lower values.
Is the fan speed too low?
Increase the fan speed or select the AUTO mode for the
digital version.
Is the air circulation insufficient?
Check that there are no obstructions on the outlet or inlet
grills and that the filter is cleaned.
Is the air filter dirty?
Clean or replace it.
Has the compressor been running only for short periods?
The high pressure switch device is snapped. Check the
water circulation, the filter and the sea water pump.
Doesn’t the compressor run?
The high pressure switch device is snapped more than
three times. Check the sea water circuit, switch off and
then switch on again the system by means of the panel. If
this happens again, call the Assistance Service.
10.6 - THE HEATING IS NOT SUFFICIENT - EH VER-
SION
Have you selected the correct operational mode?
Select on the panel the heating mode (HEAT) or AUTO
(only for the digital model).
Have you correctly regulated the thermostat?
Regulate the temperature on higher values.
Is the fan speed too high?
Decrease the fan speed or select the AUTO mode for the
digital version.
Is the air circulation insufficient?
Check that there are no obstructions on the outlet and inlet
grills and that the air filter is cleaned.
Is the air filter dirty?
Clean or replace it.
Has the heating been working only for few minutes?
The resistance protection device is snapped. Check the air
circulation, the fan speed and the air filter. If this happens
again, call the Assistance Service.
10.7 - THE HEATING IS NOT SUFFICIENT - RC VER-
SION
Have you selected the correct operational mode?
Select on the control panel the heating mode (HEAT) or
AUTO (only for the digital model).
Have you correctly regulated the thermostat?
Regulate the temperature on higher values.
Is the fan speed too high?
Decrease the fan speed or select the AUTO mode for the
digital version.
Is the air circulation insufficient?
Check that there are no obstructions on the outlet and inlet
grills and that the air filter is cleaned.
Has the compressor been running only for short periods?
The high pressure switch device is snapped. Check the air
circulation and that there are no obstructions on the open-
ings and on the inlet grill and that the filter is cleaned.
Is the air filter dirty?
Clean or replace the filter.
Doen’t the compressor run?
The high pressure switch device is snapped more than
three times. Check the air circulation. Switch off and then
switch on again the system by means of the panel. If this
happens again, call the Assistance Service.
10.8 - THE SEA WATER PUMP DOESN’T WORK
Is the fuse burned?
After the necessary checks, replace the F1 fuse with ano-
ther one with the same dimensions and charge.
Is the high pressure switch device snapped?
Check the cooling circuit and clean the filter on the sea
water intake. If this happens again, call the Assistance
Service.
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