Ariston NRB 640 C AUS Operating Instructions Manual page 9

Safety switch
The appliance has a safety switch which automatically
switches the cooking zones off after they have been
in operation for a certain amount of time at a particular
power level. When the safety switch has been
triggered, the display shows "0".
For example: the right rear hotplate is set to 5 and will
switch off after 5 hours of continuous operation, while
the front left hotplate is set to 2 and will switch off after
8 hours.
Power level Maximum operating time in hours
1
2
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Buzzer
This can also indicate several irregularities:
• An object (a pan, cutlery, etc.) has been placed on
the control panel for more than 10 seconds.
• Something has been spilt on the control panel.
• A button has been pressed for too long. All of the
above situations may cause the buzzer to sound.
Remove the cause of the malfunction to stop the
buzzer. If the cause of the problem is not removed,
the buzzer will keep sounding and the hob will
switch off.
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2
1
GB
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