Miele KM 6357 Operating And Installation Instructions page 50

Frequently Asked Questions
Problem
One or more residual
heat indicators is
flashing.
The sensor buttons are
over-sensitive or do not
react at all.
 Alternating with a
number flashes in the
timer display
50
Possible cause and solution
There was a power failure during operation or when
residual heat was present.
You called the programming function while residual
heat was still present.
The sensitivity level of the sensor buttons has
changed.
 Make sure that there is no direct light (from the sun
or from an artificial source) falling onto the
cooktop. The area surrounding the cooktop must
not be too dark.
 Make sure that there is nothing covering the
sensor buttons or the cooktop.
Take any pans off the cooktop and wipe away any
food deposits.
 Interrupt the power supply to the cooktop for
approx. 1 minute.
 If the problem persists after power is restored,
please contact Miele Service.

The overheat protection was triggered.
 See "Overheat protection".
 or 
The fan is blocked or defective.
 Make sure it has not been blocked by something
like a fork. Remove the cause of the blockage.
 If this fault code continues to appear in the
display, contact Miele Service.
 and other numbers
There is a fault in the electronic module.
 Interrupt the power supply to the cooktop for
approx. 1 minute.
 If the problem persists after power is restored,
please contact Miele Service.