Saunier Duval Themaclassic F30E SB Instructions For Use Installation And Servicing page 40

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