Bentone BG 550 M LN Installation And Maintenance Instruction page 14

3.4.5 Alarm code table
Red blinking code on
signal lamp (LED)
Blinking 2 x
••
Blinking 3 x
•••
Blinking 4 x
••••
Blinking 5 x
•••••
Blinking 6 x
••••••
Blinking 7 x
•••••••
Blinking 8 x
••••••••
Blinking 9 x
•••••••••
Blinking 10 x
••••••••••
Blinking 14 x
••••••••••••••
During the diagnosing of the alarm cause, the control outputs are voltage-
free.
• The burner is disconnected.
Exception, alarm signal «AL» at board 10.
•
Reconnection of the burner happens after resetting only.
•
Press the reset button 0.5...3 s.
•
3.4.4 Interface diagnostics
To change to interface mode, press and hold the reset button longer than 3 s.
To go back to the normal position, press and hold the reset button longer than
3 s. If the gas burner control is in the alarm position, it is reset by pressing the
reset button 0.5...3 s.
14 Bentone
Possible causes
No flame creation at End of "TSA"
– defective or fouled flame monitoring.
– defective or fouled fuel valves.
– poor burner setting.
– defective firing device.
"LP" defective
– No air pressure switch signal after "t10".
– "LP" is welded in open position.
Illegal flame signal during start-up.
Time out "LP"
– "LP" is welded in open position.
Free
Too many flame disappearances during operation.
– poor burner setting.
– defective or fouled fuel valves.
– defective or fouled flame monitoring.
Free
Free
Connection fault or internal fault, outgoing contacts or
other faults.
CPI contact not closed.