Ariston Euro Combi A/27 MFFI - Page 23

23
B029
DOES THE
BURNERLIGHT?
YES
NO
YES
YES
WASTHE
RESETSWITCH
PRESSED?
YES
NO
NO
NO
NO
YES
1)Check/replaceigniterplugs
2) Check wiring
3) Check starter
4) Check small wire
5) Check power supply PCB
6)Checkcontrol PCB
1) Check whether flame
detection electrodeis
hitbytheflame
2) Check the electrode
3)Checkthepower PCB
4)Checkthecontrol PCB
1)Checksupplyofgasto gas
valve
2) Check power supply PCB
3)Checkcontrol PCB
4)Checkfunctionalityofthe
valve
Shutdown LEDoff
Restartofthefan
IS
THEAIR PRESSURE
SWITCHACTIVATED?
ARETHE
FUMES DISCHARGED
CORRECTLY?
SAFETY
SHUTDOWNOFTHE
BOILER ACTIVATED?
1) Check flue discharge
2) Check venturi & small pipes
3) Check wire for air press.switch
4) Check/replace air press. switch
5) Check/replace PCB wire
6) Check/replace power PCB
7) Check/replace control PCB
C
D