Lamborghini Caloreclima RAGGIO C Instrucciones De Uso, Instalación Y Mantenimiento página 202

Fault code Fault
F19
Flow sensor fault
A10
F22
Return sensor fault
A11
DHW sensor fault
F12
F17
Fume probe fault
A13
Fume extraction duct
A14
safety device intervention
Optimum water pressure
not reached in foreseen
A23
time
Water pressure restored
A24
more than 3 times in 24h
Excessive water pres-
sure more than 3 times in
A26
an hour
Supply voltage under
F34
170V
System water pressure
F20
too low
F37
External probe fault
F39
Activation of maximum
F41
DELTA T protection
System water pressure
F21
too high
F40
202
Possible cause
Sensor damaged
Wiring shorted
Wiring disconnected
Sensor damaged
Wiring shorted
Wiring disconnected
Sensor damaged
Wiring shorted
Wiring disconnected
Probe damaged
Wiring shorted
Wiring disconnected
Fault F03 generated 3
times in the last 24 hours
Water supply trouble
Loading valve blocked in
closed position
Heating system leaks
DHW exchanger damaged Check the exchanger
Pressure too high Expan-
sion vessel empty or dam-
aged
Expansion vessel empty or
damaged
Electric mains trouble
Pressure too low
Water pressure switch/
pressure transducer not
connected or damaged
Probe damaged or wiring
shorted
Probe disconnected after
activating the sliding tem-
perature
Heating sensor damaged
Return sensor damaged
No water circulation in the
system
Air in the system
Pressure too high
Filling valve blocked in
open position
Expansion vessel empty or
damaged
cod. 3541V280 - Rev. 00 - 03/2021
RAGGIO C
Cure
Check the wiring or replace the sensor
Check the wiring or replace the sensor
Check the wiring or replace the sensor
Check the wiring or replace the fume
probe
See fault F03
Check the connection to the water sup-
ply
Check the loading valve and valve con-
trol relay
Check for leaks in the heating system
Partially drain the system
Check the expansion vessel
Check the electrical system
Fill the system
Check the water pressure switch/pres-
sure transducer
Check the wiring or replace the sensor
Reconnect the external probe or disa-
ble the sliding temperature
Check the correct positioning and oper-
ation of the heating sensor
Check the correct positioning and oper-
ation of the return sensor
Check the circulating pump
Vent the system
Partially drain the system
Check the filling valve and valve control
relay
Check the expansion vessel
EN