WMF 5000 S+ Service Manual page 29

Service
Further description of the process when a data backup is to be transferred from the SD card and the query has been answered with „Yes":
1 - If the response to the query was „Yes," the machine switches off after
the message is acknowledged. The SD card must then be inserted and
the machine must be switched on.
2 - Following the restart, the query of whether a full data backup
should be loaded from the SD card must be acknowledged with „YES".
29