Ariston microGENUS 27 MFFI Инструкции по обслуживанию - Страница 21
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C
IS THE
AIR PRESSURE SWITCH
ACTIVATED?
YES
IS FLUE
DISCHARGE
NORMAL?
YES
IS THE BURNER
ALIGHT?
YES
HAS THE
BOILER SAFETY
SHUTDOWN BEEN
ACTIVATED?
NO
D
B063
NO
CHECK
P ON TEST
PRESSURE
INTAKE
P 1.2 mbar
NO
NO
YES
P 1.2 mbar
1 - Check A.P. switch cable
2 - Check/replace A.P. switch
3 - Check/replace P.C.B.
1 - Check exhaust discharge
2 - Check venturi & pipes
3 - Check fan efficiency
1 - Check/replace ignition
electrode
2 - Check ignition cable
3 - Check spark generator
4 - Check ignition electrode
cable
5 - Check/replace P.C.B.
1 - Check power supply of
gas valve
2 - Check/replace P.C.B.
3 - Check efficiency of
gas valve
4 - Replace gas valve
1 - Check if flame strikes
detection electrode
2 - Check soft-light gas
pressure
3 - Check/replace detection
electrode
4 - Check/replace P.C.B.
HAS THE
BOILER SAFETY
NO
SHUTDOWN BEEN
ACTIVATED?
YES
Shutdown L.E.D. off
fan restarts
FC004Ad
21