Ariston ecoGENUS 24 RFFI Istruzioni per la manutenzione - Pagina 22
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Model 24 MFFI/24RFFI System
22
B
NO
IS THE FAN
RUNNING?
YES
IGNITION
SPARKS ARE GENERATED
REGULARLY?
YES
IS THE BURNER
ALIGHT?
YES
IS
YES
THERE STILL
A PROBLEM?
NO
NORMAL
OPERATION
DOES CODE
A33 APPEAR?
NO
1. Check the fan cable
2. Replace the fan
3. Replace the main P.C.B.
Replace
the main P.C.B.
1. Check/replace ignition
NO
electrode
2. Check ignition cable
3. Check/replace the main P.C.B.
1. Check the power supply
of the gas valve.
2. Check for an air
pressure signal
NO
3. Check the gas pressure
on the burner
4. Check the soft-light
adjustment
5. Replace the gas valve
6. Check/replace the
main P.C.B.
BOILER HAS
SHUTDOWN?
YES
1. Table II
2. Press RESET
1. Table III
YES
NO