Baxi LUNA HT 1.280, Installation, Operation And Maintenance Manual

Page: 135 / 144

9.11 Fault switch-off
Safety switch-off in case of flame failure during the operation.
After every safety stop, a new ingition attempt according to programme is carried
out. If this does not lead to flame forming, shutoff is carried out.
In case of fault switch-off, the reset button on the control panel should be pressed.
In case of operation disturbances (bell symbol in thewdisplay), the digit in the dis-
play on the operating panel points out the cause of the disturbance (see section
9.12 Fault code table ).
Burner does not start:
- no voltage at the control and regulating centre
- no “Burner ON“ signal from the heating circuit control (see fault code table )
Burner goes into disturbance status:
Without flame formation:
- no ignition
- ionisation electrode has ground connection
- no gas
Despite flame forming, the burner changes to disturbance status after the safety
period:
- ionisation electrode defective or contaminated
- ionisation electrode does not immerse into the flame
Maintenance
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