Ariston GENUS HE 35 Plus Installation And Servicing Instrucnion page 62

A
IS THE PUMP
RUNNING?
YES YES
IS THE FAN
RUNNING?
YES YES
IS SPARK
GENERATION FOR
IGNITION
NORMAL?
YES YES
IS THE BURNER
ALIGHT?
YES YES
HAS THE
BOILER SAFETY
SHUTDOWN BEEN
ACTIVATED?
NO NO
B
62
NO NO
POWER TO
THE PUMP?
YES YES
1 - Check that the pump
is not stuck
2 - Release/replace pump
NO NO
POWER TO
FAN ?
YES YES
1 - Replace fan
NO NO
NO NO
YES YES
NO NO
1 - Check DHW flowswitch
2 - Check pump cable
3 - Check/replace P.C.B.
1 - Check/replace
NO NO
connection cable
2 - Check/replace P.C.B.
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.
FC P013