Miele DGC 6300 Operating And Installation Instructions page 140

Problem solving guide
Problem
F55
F and other fault codes
140
Cause and remedy
The maximum operating time for a cooking function
has been exceeded. This has triggered the safety
switch off device.
 Switch the steam oven off and then back on again.
The steam oven is immediately ready for use again.
Technical fault.
 Switch the appliance off and contact Miele.