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FAULT CODES FAULT
Lack of gas or ignition problems
Minimum burner pressure set too low
Flame supervision failure
0 Repeating 5 second
flashes
With no 1 second flashes
Burner on but flame indicator off
1 One 1 second flash
Air pressure switch failure, crossed tubes or flue
venturi blocked
2 Two 1 second flashes CH pressure below 0.7bar
3 Three 1 second
flashes
Hi-limit stat failure
4 Four 1 second flashes Printed circuit board failure
5 Five 1 second flashes Flame supervision failure, indicator light on burner off
6 Six 1 second flashes Water overheating
7 Seven 1 second
flashes
Control panel failure
9 Nine 1 second flashes Gas valve control circuit failure
10 Ten 1 second flashes Domestic hot water thermistor failure
12 Twelve 1 second
flashes
Central heating thermistor failure
FAULT CODES
FAULT 0
Flame Fails to Establish / Flame Fails After Ignition
5 seconds - 5 seconds
The FEB-24E will attempt 3 times to establish main burner flame, each ignition sequence
will last 6 seconds, with a 5 second pause between each sequence. If by the third ignition
sequence no flame has been established and detected then the boiler will lock- out and
fault code 0 will be displayed.
The P.C.B. cannot identify the component or problem responsible for the failure of the
main burner to fire up. In order to diagnose the problem the sequence at which the boiler
fails to light must be established. The sequence is:
SPARK – GAS - FLAME DETECTION
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