Ultimaker 3 suddenly no display and unresponsive button

[SCA_B 10]

14 hours ago, CarloK said:

@gr5 I'm no longer working for Ultimaker, so this is mostly from memory:
In 5.3.0 the partition sizes changed. The recovery image searches for partitions of the types ext4 and FSFS and tries to change their sizes. When no such partition types are found, it reformats the internal memory. 

Problem here is that a damaged Flash memory still might be recognized as being the expected partition type and/or size, so no reformatting is done.

 

In the S5 we fixed this by always reformatting, instead of trying to preserve data. Too bad, this fix never made it into a new UM3 release.  ;-(

 

A work around is to have the UM3's Flash memory to be configured in another way than the ext4 / FSFS partitions, which the recovery script is looking for. For example, erase the internal memory, or use an older UM3 release with a different setup. Apparently the 4.3.3 release you used is old enough to trigger the reformat procedure when using the v5.3.0 recovery installer.

Hi Carlo-  I installed 3.7.7 and was then able to upgrade step by step to the latest firmware that is available for the UM3

https://software.ultimaker.com/jedi/releases/UM3_recovery-3.7.7.20170627.imgThis is not correct 

I think 3.7.7 format the whole memory and therefore repairs the drive. I also think that it was bad data rather than a physical bad block as my printer killed itself while on standby....