Thermomix TM5 error 143.Can I repair it?

Once I have managed to repair the scales by sticking the wires onto the wall to avoid contact with the board I seem to have managed to create a new error:143.

Now this could be because i stuck all the wires ( 2 sets of them) together onto the wall or disturbing sensors when puting it back together etc

How can I repair it?

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Solved by undoing and putting everything back. No errors. Could well be I had losely plugged the wires to the main board.

Now all ok but the plastic is cracking by where the screws are. Poor quality.

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