NEFF U1644N0 Operating And Fitting Instructions Manual page 52

Problem
. . . when Controls locked
appears on the display?
. . . when Permanent lock
appears on the display?
. . . when the symbols on the
control panel light up, but
the oven does not heat up?
. . . if electronically control
functions fail?
. . . when the indicator lamp for
oven functions does not light up cavity is still too high.
red when cleaning (main oven)
or dough proving mode is
switched ON?
. . . if the telescopic extension
rails can no longer be
pushed in all the way?
52
Possible cause
The oven is locked
(child safety).
The oven is locked
(child safety).
The oven has been
locked against
unauthorised use
(demo mode).
Energy pulses
(e.g. lightning flash).
Temperature inside oven Prior to using the oven cleaning
Defective control lamp.
Bearing misalignment
after cleaning.
Remedy
Turn the function selector anticlockwise
from 0 to Oven lighting and back
again three times.
Control locked disappears.
Turn the function selector anticlockwise
from 0 to Oven lighting and back
again six times.
Permanent lock disappears.
Turn the function selector from Large
grill to Small grill and back again five
times.
Demo OFF must appear on the
display.
Reset the relevant functions.
function, the oven must be allowed to
cool completely.
Replacement only by an authorised
expert.
Initially, pull out the telescopic
extension rails all the way.