Miele KM 5840 Operating And Installation Instructions page 35

The cooktop turns off while in use, and a flashing F appears in the timer
display.
Possible fault
One or several of the touch
controls are covered, for
example by fingers, food
boiling over or by an object.
Auto-heat is turned on, but the food does not start cooking.
Large amounts of food are
being heated.
The cookware conducts heat
poorly.
One or several residual heat indicators are flashing.
There was a power failure
during operation, and the
cooktop shut itself off.
The residual heat indicators
have lit up during
programming.
Frequently asked questions
Solution
Clean the control panel or remove the object
(see "Safety shut-off".)
Start cooking at the highest power level, then
reduce the power level manually.
See "Selecting cookware".
Not a fault.
Restart the cooktop.
Not a fault.
The display flashes until the maximum residual
heat has expired or the burner is selected and
activated.
35