grandimpianti C 200/51 Instructions Pour L'installation Et Mode D'emploi page 61

NO FLAME (AL6)
The alarm is controlled only if the card is configured with gas heating.
When the burner is on or in the ignition phase, if the gas device activates its no-flame setting,
the buzzer is activated for 1 minute and "AL6" appears on the display.
The burner ignition command remains active and the machine stays on.
In order to attempt to re-ignite the burner, press the + and – buttons simultaneously after the
end of the sound signal.
When the gas device annuls the anomaly indication, the alarm is erased. If this reset is not
successful, the alarm comes on again and one of the following fault conditions occurs:
 No gas supply: check if the manual valve of the gas feed is open
Insufficient gas pressure or incorrect type of gas (see chapter entitled 'installation')

 Defective ignition electrode: change it
To cancel the alarm without re-igniting the burner, stop the machine by pressing STOP.
OVERHEATING OR SENSOR NOT CONNECTED (AL7)
If the temperature sensor is not connected or defective, or if a temperature is detected in
excess of 210°C for 2 continuous seconds, the buzzer is activated for 1 minute and the
display shows "AL7".
The machine may function and the alarm may be eliminated by turning it off.
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DOC MACHINE Ø50.0-EN by PS on 19/06/2015, Page 27 of 33