Lamborghini Caloreclima ALHENA TECH C Serie Instrucciones De Uso, Instalación Y Mantenimiento página 333

ALHENA TECH C
Fault code Fault
External probe fault
F39
Pressure sensor fault
F40
Multiple requests error
A44
Pressure transducer no communica-
F47
tion
Limit thermostat fault with parameter
F50 - F53
b06 = 1 or 4
Calibration required
F62
Maximum number of consecutive
F64
Resets exceeded
A65 ÷ A97 Specific combustion control errors
F65 ÷ F98 Specific combustion control errors
Parasite flame signal after valve clos-
A80
ing
Specific combustion control errors or
A88
gas valve
Specific flame combustion error
F96
Possible cause
Probe damaged or wiring
shorted
Probe disconnected after acti-
vating the sliding temperature
System water pressure too
high and parameter P58 not
set to default
Expansion vessel discharged
or damaged
Repeated short-term requests
Pressure transducer not elec-
trically connected
Pressure transducer not work-
ing
No/poor water circulation in
the system
Air in the system
Incorrect parameter
New card or boiler not yet cal-
ibrated
Maximum number of consec-
utive Resets exceeded
Fume ducts obstructed.
Low gas pressure (A78 -
A84).
Condensate trap blocked.
Fumes recirculation or com-
bustion problem
Fume ducts obstructed.
Low gas pressure.
Condensate trap blocked.
Fumes recirculation or com- bustion problem
Electrode problem.
Gas valve problem.
PCB problem.
Calibration activation with
burner lit.
Combustion problem, faulty
gas valve or PCB
Unstable flame or unstable
flame signal after ignition.
cod. 3541V512 - Rev 00 - 07/2022
Cure
Check the wiring or replace the sensor
Reconnect the external probe or disable the
sliding temperature
Partially drain the system to a pressure
(shown on the display) of 1÷1.5 bar
Charge or replace the expansion vessel
Check if there are pressure peaks in the DHW
circuit. If necessary, modify parameter b11.
Check the electrical connection, transducer
connector and wiring.
Replace the pressure transducer
Check the circulating pump and heating sys-
tem
Vent the system
Check the correct parameter setting
Do the Calibration procedure [
Disconnect the power supply to the boiler for
60 seconds and then reinstate the boiler
Check that the fume ducts and the conden-
sate trap are not blocked. Check the correct
gas supply pressure.
Do the CO adjustment in TEST mode. If nec-
2
essary, do the Calibration procedure [
SETUP
].
Check that the fume ducts and the conden-
sate trap are not blocked. Check the correct
gas supply pressure.
Do the CO adjustment in TEST mode. If nec-
2
essary, do the Calibration procedure [
SETUP
].
Check the correct position and condition of
the electrode.
Check the PCB.
Check the gas valve and replace it if neces-
sary.
Reset the fault and do the Calibration proce-
dure [ ].
AUTO SETUP
If necessary, replace the gas valve or PCB.
Check the gas supply, fume ducts and con-
densate drain. Check the correct position and
state of the electrode After about 3 minutes
the error is reset.
EN
].
AUTO SETUP
AUTO
AUTO
333