Baxi Luna 3 Comfort Troubleshooting Manual page 11

Anomalies diagnostic
The system condition (STATUS) identifies the working method in which the boiler is at the moment of the anomaly:
00 Stand-by
01 Sanitary active
02 Calibration function
03 Heating active
04 Pre-heating active
05 Anti-freezing heating
06 Anti-freezing DHW
07 Post-circulation
08 Circulation for over temperature
The system phase identifies in which particular function the boiler is at the moment of the anomaly:
00 Stand-by
01 Pre-ventilation
03 Ventilation between first and second ignition attempt
04 First ignition attempt
05 Active operating
06 Stoppage
08 Second ignition attempt
11 Ventilation between second and third ignition attempt
14 Third ignition attempt
15 Post-ventilation
16 Ventilation for over temperature
x