IDEAL MINI C24, Установка и обслуживание

Страница: 52 / 60

FAULT FINDING
52 Mini --- 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 43.
Adjust burner pressure.
Refer to frame 29.
yes
no
no
no
no
no
yes
yes
yes
yes
Is the resistance of the
detection electrode
assembly < 5
Ω
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 more
than 10 seconds?
Connect lead correctly Is the lead connected ?
Is the burner pressure
within min and max
value* with the boiler
running?
Rectify wiring fault
yes
* see Table 2 at page 4 for the correct value
Replace faulty PCB
yes
Is the burner light on?
no
Can the minimum burner
pressure be achieved ?
(Pressure values are given
in Table 2 on page 4)
no
yes
Adjust the burner minimum
pressure refer to frame 29
Replace faulty PCB
FA
UL
T
F
IND
ING