FAULT FINDING
48
europa
--- Installation & Servicing
Continued from page 47
of fault finding
Refer back to page 44 of
fault finding to continue.
Is the position of the
detection electrode
correct, and electrode
undamaged? Refer to
frame 40.
Adjust burner pressure.
Refer to frame 26.
yes
no
no
no
no
no
yes
yes
yes
yes
yes
Is the resistance of the
detection electrode
assembly < 5
W
from
tip to connector ?
no
Is the polarity of
the mains correct?
Replace faulty
detection lead assy.
Rectify electrode
position or replace
faulty electrode.
Does the burner
remain alight?
Connect lead
correctly
Is the lead
connected ?
Replace faulty PCB #2
Is the burner pressure
within 1.2 and 11.7 mbar
(1.5 and 10.5 for
europa
232
) with the boiler
running?
Rectify wiring fault
FA
U
LT
F
IN
D
IN
G