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B
LB971 Azur 30/40/60/80 Blu 120 P
Error Code
2 blinks
3 blinks
4 blinks
5 blinks
7 blinks
8÷17 blinks
18 blinks
19 blinks
20 blinks
During the error diagnostic phase, the output controls are disabled and the burner keeps on staying in
lockout mode.
- Exception: the fault alarm on "AL" terminal: the burner will be switched on only after a Reset is made.
To reset the control box press the lockout-reset button for 0.5 to 3 seconds.
Possible cause
Missed ignition at the expiring of the control box's safety time
The air pressure switch does not close
The air pressure switch does not open or presence of extraneous lights at the burner start-up
Extraneous lights during pre-purging phase
Loss of flame during operation
Not used
The air pressure switch opens during pre-purging or operation
Faulty output contacts
Faulty of internal device
BLAST TUBE DISASSEMBLY
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