Operation, Indications, Diagnostic; Control Sequence In The Event Of A Fault - Riello RX 500 S/PV Modulating Operation

8

Operation, indications, diagnostic

8.1

Control sequence in the event of a fault

In the event of a lockout, the outlets for fuel valves, burner motor
and ignition devices should be immediately deactivated (<1 sec-
ond).
Causes
Mains voltage interruption
Voltage below the undervoltage threshold
Voltage above the undervoltage threshold
Extraneous light before the safety time
Extraneous light during the standby time
No flame at the end of the safety time
Flame loss during the operation
Min. pressure switch fault during operation (where foreseen)
In the event of a lockout, the LME71... remains in lockout and the
red fault indicator lamp comes on. The burner control can be im-
mediately released. This state is maintained also when the mains
supply is interrupted.
Operation, indications, diagnostic
Answer
Restart
Safety switch off
Restart
Lockout
Starting pre-purging, lockout after about 30 seconds maximum
Lockout at the end of the safety time
Factory settings: lockout
Can be configured: (depending on the program module 1 x repe-
tition
Switching of and on the pre-purging
39 GB
Tab. Y
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