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0006081159_201602
ENGLISH
Malfunction and lock cause diagnostics
In the event of a burner lock-out, the red light on the reset button will be fixed.
Holding the reset button down for more than 3 seconds, the diagnostic phase will be activated (quick flashing red light). The table below
lists the meaning of the malfunction and lock-out cause depending on the number of blinks (always red-coloured).
Holding the reset button down for at least 3 seconds, the diagnostic function will be interrupted (for further details see the technical sheet
7614).
The diagram below indicates the operations that are necessary to activate diagnostic functions.
- Under fault diagnosis conditions the device remains deactivated. The burner is off.
- The «AL» alarm signal is on terminal 10 that is under voltage. To reactivate the device and start a new cycle, press the reset button for
1 sec. (< 3 sec).
Visual indication
“ AL” to terminal 10
Possible causes
2 blinks
ll
On
Absence of flame signal at the end of the safety time «TSA»
- Fuel valve malfunction
- Flame detection photocell malfunction
- Defective burner calibration, lack of fuel
- Lack of ignition, faulty ignition transformer
3 blinks
lll
On
- LP air pressure switch malfunction
- Lack of pressure switch signal after T10
- LP pressure switch contact welded in standby position
4 blinks
llll
On
Extraneous light during the ignition phase
5 blinks
lllll
On
- Lack of LP air pressure switch signal
- LP pressure switch contact welded in work position
6 blinks
llllll
On
Unused
7 blinks
lllllll
On
Lack of flame signal during normal operation, ignition repeated (limitation to
the number of ignition repetitions)
- Fuel valves fault
- Flame detector fault
- Defective burner calibration
8 blinks
llllllll
On
Unused
9 blinks
lllllllll
On
Unused
10 blinks
llllllllll
OFF
Wiring problems or damage inside the device
14 blinks
llllllllllllll
OFF
CPI contact not closed
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