Frequently Asked Questions - Miele H 7640 BM Operating And Installation Instructions

With the help of the following guide minor faults in the performance of the
machine, some of which may result from incorrect operation, can be remedied
without contacting the Service Department.
This guide may help you to find the reason for the fault, and how to correct it.
Problem
The display is dark.
The audible signal does
not sound.
The oven does not heat
up.
appears
System Lock 
on the display when the
oven is turned on.

Frequently Asked Questions

Possible cause and solution
You have selected the
When the appliance is turned off, the time-of-day
display is turned off.
 As soon as the oven is turned on, the main menu
will appear. If you want the time of day to be
displayed constantly, select the
setting.
On
There is no power to the appliance.
 Check if the breaker has tripped. If it has, contact
a qualified electrician or Miele Customer Service.
The audible signals are deactivated or set at too low
a volume.
 Turn on the audible signals or increase the volume
with Settings | Volume
Demo mode is activated.
You can select menu options on the display and
sensor buttons, but the oven heating does not work.
 Deactivate Demo mode by selecting
Showroom Program
The  system lock is activated.
 You can deactivate the system lock for a cooking
program by touching the  symbol for at least
6 seconds.
 If you want to permanently deactivate the system
lock, select the
Time | Display
Time
| Buzzer tones
| Demo Mode |
Safety | System Lock 
| Off setting.
| Display |
.
|
Settings
Off .
| Off setting.
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