Morco FEB-24ED - Page 42

Description of functioning
technical
46
5
PUMP AND FAN WORK BUT THERE IS NO SPARK
IN
No No
No
No
Yes
Yes
Yes
Yes
OUT
Air pressure switch
is closed?
(J4-black wires)
Is there
enough
pressure
differential
at the air pressure swich?
230 Vac on J25
(wires brown-blue)
?
Take off the wires of t
Replace main
PCB
R
Check the wiring and
connections, if it is OK
replace the ignition
electr
ode
Check the venturi and the
flue/ air intake pipes
C
heck the pre
ssure switch
connections, P+ &
P- connections. If it´s OK
replace the air pressure
switch
Remove wires from
spark gen
erator is there are
spark ?
40
Replace spark generator