Error Codes And Resetting The Boiler; Component Replacement Or Periodic Cleaning - Baxi Luna HT 1.450 Notice D'installation Et D'entretien

14.2 ERROR CODES AND RESETTING THE BOILER

If a fault occurs, the display shows an error message
identifying it.
Note:
If the error message contains more than 2 digits (e.g.
E133), the display reads out the first two digits "E1" follo-
wed by the last two digits "33", as shown in figure 37.
CODE DISPLAY FAULT DESCRIPTION
ERROR
CODE
10
Outdoor temperature probe sensor fault
20
NTC flow sensor fault
50
Domestic hot water sensor fault
No circulation safety trip (the control performed
via a temperature sensor)
110
Safety thermostat tripped
119 No signal from water pressure switch
130 Flue high limit/ Air pressure switch tripped
133 Ignition failure
151 Internal error of the electronic board
160 Fan fault

15. COMPONENT REPLACEMENT OR PERIODIC CLEANING

It is the law that any service work must be carried out by a competent person.
WARNING
Before replacing any boiler components, set the selector switch to 0, isolate the electrical supply and close the
boiler gas service cock. Allow the boiler to cool.
Always test for gas leaks after replacing any gas carrying components or disturbing any gas connections.
Check the operation of the boiler. (Refer to Boiler Operation, section 13). Ensure that all the controls are returned
to their original settings.
INSTALLATION AND SERVICING INSTRUCTIONS
DESCRIPTION MAIN CAUSES
Check wiring or replace sensor
Turn selector (1) to "R" for at least 1 second. If this
fault persists, check wiring and check that the pump
functions properly.
Check wiring or replace sensor.
Check that the pressure in the system is as specified.
See the section on filling the system. Check wiring or
replace sensor. If this fault persists.
Check wiring and that the fan functions properly.
Clean the heat exchanger.
Check wiring or replace sensor.
Make sure there is pressure gas supply, check the
ionization electrode, ignition electrode, ignitor, flue re-
circulation, the wiring and provide a properly installed
of the flue pipes.
Check the position of the ignition electrodes.
Check wiring.
50
Fig. 37
7110242.02 - en