Lamborghini Caloreclima NINFA N LOW NOX 24 MCS Instrucciones De Uso, Instalación Y Mantenimiento página 80

Fault
Fault
code
Incorrect system water pres-
F40
sure
A41 Sensor positioning
F42 Heating sensor fault
Exchanger protection acti-
F43
vated.
System water pressure sen-
F47
sor fault
F50 Modureg fault
80
NINFA N LOW NOX 24 MCS
Possible cause
Pressure too high
Delivery sensor disconnected
from the pipe
Sensor damaged
No H O circulation in system
2
Air in the system
Wiring disconnected
Wiring disconnected
cod. 3540R880 - 01/2009 (Rev. 00)
Cure
Check the system
Check the safety valve
Check the expansion tank
Check the correct positioning and operation of the
heating sensor
Replace the sensor
Check the circulating pump
Vent the system
Check the wiring
Check the wiring
EN