Miele DA 420V-6 Operating Instructions Manual page 180

Problem solving guide
Problem
The food in the pan
hardly heats up or does
not heat up at all when
the Auto heat-up
function is switched on.
A noise can be heard
after the appliance is
switched off.
 alternating with
numbers flashes in the
timer display.
52
Possible cause and remedy
There is too much food in the pan.
 Start cooking at the highest power level and then
turn down to a lower one manually later on.
The pan is not conducting heat properly.
 Use a different pan which is better able to conduct
heat.
The fan will continue running until the cooktop has
cooled down. It will then switch itself off
automatically.

The overheating protection mechanism has been
activated.
 See "Safety features - Overheating protection".
,  or 
The fan is blocked or defective.
 Make sure the fan has not been blocked by an
object.
 Remove the obstruction.
 If this fault code continues to appear in the
display, contact Miele.
 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.