Lamborghini Caloreclima Alma 24 MBS W TOP Manual De Uso página 42

TROUBLESHOOTING
Fault
Failed ignition
Safety thermostat tripped
No water
Air pressure switch tripped
Flue gas thermostat tripped (flue control)
Heating sensor failure
Sanitary water sensor failure
Smell of unburnt gas and poor burner com-
bustion
Cause
- No gas
- Detection or ignition electrode
malfunction
- Gas valve defective
- Power supply disturbances
- Delivery sensor not active
- No system circulation
- Feed pressure too low
- Water leak from the system
- Sensor damaged
- Pressure switch contact remains
closed
- No flue draft
- Sensor damaged or in short-
circuit
- Sensor damaged or in short-
circuit
- Gas consumption too high
- The pilot flames tend to go out
- The flame has yellow spots
- 2
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USER MANUAL
Remedy
- Check that the gas flow to the
boiler is regular and that the air
has been bled from the pipes
- Check the electrode wiring and
that the electrodes are positio-
ned properly and do not have
any scale
- Check and replace the gas valve
- Check the earthing
- Check proper positioning and fun-
ctioning of the delivery sensor
- Check the circulator
- Restore the pressure by opening
the feed cock
- Check the system
- Replace the sensor
- Check the pressure switch
- Check that the connection pipes
between the pressure switch and
the fan are free of condensate
- Check that the air and flue gas
ducts are not obstructed
- Check the fan
- Check that the flue duct is not
obstructed
- Check that the room where the boiler
is installed is adequately ventilated
- Check the wiring or replace the
flue gas thermostat
- Check the wiring or replace the
sensor
- Check the wiring or replace the
sensor
- Adjust the gas flow rate
- Check and act on the pressure
stabilizer of the gas valve
- Check that the burner air ducts
and Venturi are perfectly clean