Ferroli Domina 80 E Installation, Service And User Instructions Manual page 58

Is 230V present across
YES
terminals X1-3 and X1-6
of ignition control?
Is relay RY02 switch ON?
Go to charts 2-3
Is 230V present across
fan terminals?
NO
Check air pressure
switch wiring connection
NO
Check and if
necessary replace
air pressure switch
58
DOMINA 80 E
Check fan/flue gas system
Does fan run?
NO
NO
YES
NO
connection wires
if necessary
ignition PCB
YES
Check and if
necessary replace fan
Chart 4
YES
Is air pressure switch
Differential air pressure
across the air pressure
switch is greater than
175 Pascal? (1-75 mbar)
Check
Check and clean fan
Check and
replace
Check flue and air
intake are correct
Check Venturi and
air pressure switch
tubes are clean
Check diaphragm
YES
activated?
NO
YES
necessary replace
NO
air pressure switch
and clean
is correct
Go to chart 5
Check and if