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Problem
Possible cause and remedy
When the oven is
switched on, "System
lock
0
" appears in the
display.
The system lock
0
is active.
It can be released for a programme to be run by
touching the OK sensor for at least 6 seconds.
The system lock can be permanently deactivated (see
"Settings – System lock
0
").
The oven does not heat
up.
^
Check whether "On" has been selected for the Demo
mode (see "Settings - Showroom programme").
If the Demo mode has been switched on, the oven can
be operated but it will not heat up.
^
Deactivate Demo mode.
"Power cut - Process
cancelled" appears in
the display.
There has been a power cut which has caused a
current cooking process to stop.
^
Switch the oven off and then back on again.
Start the cooking process again.
12:00 appears in the
display.
The power supply was interrupted for longer than
200 hours.
^
Reset the time and date.
The message
"Maximum operating
hours reached" appears
unexpectedly in the
display.
The oven has been operating for an unusually long time
and this has activated the safety switch-off function.
^
Select "OK". Touch
#
to delete "Process finished".
The oven will then be ready for use again.
"
;
Fault XX" appears in
the display.
There is a problem that you cannot resolve.
^
Call Miele.
Problem solving guide
122
Summary of Contents for H6400BM
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