Ideal Boilers mini HE C24 - Page 52

FAULT FINDING
52
mini HE --- Installation & Servicing
Continued from page 51
of fault finding
Refer back to page 48 of
fault finding to continue.
Is the position of the
detection electrode
correct, and electrode
undamaged? Refer to
frame 41.
Adjust burner pressure.
Refer to frame 27.
yes
no no
no
no
no
yes
yes
yes
yes
yes
Is the resistance of the
detection electrode
assembly < 5W 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 min and max
value* with the boiler
running?
Rectify wiring fault
no
yes
Is the condense
freely discharged
through the
condensate trap
and pipework?
Check the
condensate trap
and discharge
pipework for
cleaness
* see Table 2 at page 4 for the correct value
FAULT FINDING