Technical data

40
4000123924-2
18 Fault Finding
F1 or F4 FAULT DISPLAYED
FAULT: THE BURNER LIGHTS, THEN GOES OUT.
CHECK
THE
PROBE
CHECK
THE MAINS
FAULT NOT FOUND
The flame is spreading across the
whole burner, but not being detected.
With the power turned off, check the
continuity between the flame sense
electrode and terminal H2 . 4 on the
control board (PCB). Check the
connector on the end of the wire.
Check that the spark electrode is
pointing towards the flame.
Check the spark electrode. Change it.
If the problem persists, change the
control board (PCB).
(flame detection module faulty).
1187
3
F1 FAULT DISPLAYED
FAULT: THE BURNER LIGHTS BUT THEN GOES OUT. THERE IS NO FLAME DETECTED
.
• Check that the gas taps are fully open
• Check the gas pressure.
NO
YES
The flame is not spreading across
the whole burner and is not reaching
the sensing electrode. Is the gas
pressure correct?
• Clean the gas filter.
• Clean the burner.