Technical information
Table Of Contents
59
IS THE BURNER
ALIGHT?
YESYES
NONO
YESYES
YESYES
YES
NO
NONO
NONO
NONO
YESYES
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 if flame strikes
detection electrode
2 - Check soft-light gas
pressure
3 - Check/replace detection
electrode
4 - 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
Shutdown L.E.D. off
fan restarts
IS THE
AIR PRESSURE SWITCH
ACTIVATED?
CHECK
∆P ON TEST
PRESSURE
INTAKE
IS SPARK
GENERATION FOR
IGNITION
NORMAL?
HAS THE
BOILER SAFETY
SHUTDOWN BEEN
ACTIVATED?
HAS THE
BOILER SAFETY
SHUTDOWN BEEN
ACTIVATED?
1 - Check exhaust discharge
2 - Check pipes
3 - Check fan efficiency
1 - Check A.P. switch cable
2 - Check/replace A.P. switch
B
C
∆P > 70 pa
FC P005
∆P ≤ 70 pa