Ariston 47-116-35 Istruzioni per l'installazione e la manutenzione - Pagina 43

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IS THE FAN
RUNNING?
DOES THE
AIR PRESSURE SWITCH
CLOSE? (E33)
ARE IGNITION
SPARKS GENERATED
REGULARLY?
IS THE BURNER
THE FLOW TEST
SUCCESSFULL?
(A02 TEST FAILED)
THERE STILL
A PROBLEM?
OPERATION
58
B
NO
NO
A33 APPEAR?
YES
YES
the main P.C.B.
NO
NO
YES
YES
1. Check/replace ignition
NO
NO
2. Check ignition cable
3. Check/replace the main P.C.B.
YES
YES
NO
NO
ALIGHT?
YES
YES
WAS
NO
NO
YES
YES
1. Check pump cable
2. Check/replace the pump
3. Check NTC probes cables
4. Check/replace NTC probes
5. Check/replace main P.C.B.
IS
YES
YES
1. Table III
NO
NO
NORMAL
DOES CODE
NO
NO
1. Check the fan cable
2. Replace the fan
3. Replace the main P.C.B.
Replace
1. Check the exhaust flue duct
2. Check the APS cable
3. Check if there is condensate in the silicone pipes
4. Check/Replace the APS
5. Check/Replace the main P.C.B.
electrode
1. Check the power supply
of the gas valve.
2. Check for an air
pressure signal
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?
1. Table II
2. Press RESET
YES
YES
NO
NO
YES
YES