DOMINA 80 E
59
Chart 5
Check ignition system
Is led “ “ on?
Does sparking start
at burner?
Does burner light?
YES
Is red led “ “
on after 10 seconds?
NO
YES
Go to chart 6
Reset lockout
YES
Does burner light now?
Is flame present before
lockout condition?
NO
YES
NO
Check and if necessary
replace safety thermostat
Check electrodes and
leads for damage
and correct connection
Check and if necessary
replace ignition control
Adjust with P4 ignition
burner pressure
Check and if necessary
clean burner
Check and if necessary
clean injectors
Check and if necessary
clean flame electrode
Check right position
of spark electrode
Check wires
Check gas supply
is live and purged
Check and if necessary
replace gas valve
NO
YES
Check and if necessary
replace ignition control
NO
Does red leds
out light come on
without the boiler sparking
YES
NO
re-check
air pressure switch