Neff T23R46N0 - Manual (Page 9)

10
Warnings
It is normal to hear a slight whistling noise while the
burner is operating.
When it is first used, it is normal for the burner to give off
odours; this does not pose any risk and does not indicate
a malfunction; they will disappear in time.
A few seconds after the burner is switched off, a sound
(thud) will be produced. This is not a fault - this means
that the safety device is no longer operating.
Keep the burner as clean as possible. If the ignition
sparkers are dirty they will not light properly. Clean them
periodically using a small non-wire brush. Bear in mind
that the ignition sparkers must not suffer any serious
impacts.
An orange-coloured flame is normal. This is caused by
the presence of dust in the atmosphere, spilt liquids, etc.
For dual double-flame burners, the inner and outer
flames can be controlled separately.
The available power levels are as follows:
Inner and outer flame on full power.
Outer flame on minimum, inner flame on full power.
Inner flame on full power.
Inner flame on minimum power.