Ariston MICROCOMBI 23 MFFI Servicing Instructions - Page 20
Browse online or download pdf Servicing Instructions for Boiler Ariston MICROCOMBI 23 MFFI. Ariston MICROCOMBI 23 MFFI 28 pages. Wall-hung electronic ignition gas combination boiler ariston microcombi 23 mffi/ microcombi 27 mffi
Also for Ariston MICROCOMBI 23 MFFI: User Manual (20 pages), Installation Instructions Manual (25 pages), End User Manual (8 pages), Manual (4 pages)
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IS THE FAN
RUNNING?
YES
20
NO
BOILER
SHUTDOWN?
NO
INTERNAL
P.C.B. PROTECTIONS
ACTIVATED?
NO
POWER
TO FAN?
YES
1 - Replace fan
YES
1 - Reset the boiler
1 - Check/replace air
pressure switch
YES
2 - Check if reset button
is jammed
3 - Check/replace flame
detection electrode
1 - Check/replace
connection cable
2 - Check/replace P.C.B.
NO
3 - Check air pressure
switch is not stuck
the N.O. position