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5.3.1.3 Alarm code table
Red blinking code
Possible causes
on
signal lamp (LED)
Blinking 2 x
No flame creation at End of "TSA"
- defective or fouled flame monitoring
..
- defective or fouled fuel valves
- poor burner setting
- defective firing device
Blinking 3 x
"LP" defective
- No air pressure switch signal after "t10"
...
- "LP" is welded in open position
Blinking 4 x
Illegal flame signal during start-up
....
Blinking 5 x
Time out "LP"
- "LP" is welded in open position
.....
Blinking 6 x
Free
......
Blinking 7 x
Too many flame disappearances during operation
- poor burner setting
.......
- defective or fouled fuel valves
- defective or fouled flame monitoring
Blinking 8 x
Free
........
Blinking 9 x
Free
.........
Blinking 10 x
Connection fault or internal fault, outgoing contacts
or other faults
..........
Blinking 14 x
CPI contact not closed
..........
....
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
5.3.1.4 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.
21
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