Bosch WAT28400 Repair Instructions page 64

Repairs
9.
Electrically disconnect the 3D sensor before flashing.
Connect the 3D sensor again after flashing has been
successfully concluded.
Press Start button and wait until flashing is complete (see progress bar).
Result:
After the flashing process, the remaining time until the Final message is
displayed.
2017-05-22 / DIS 113_58300000186503_ara_en_c
.
11.
12. Conclude flashing of the operating module by pressing the OK button.
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If flashing is not successful, an error message is displayed.
Termination may occur for the following reasons:
• Electrical connection between UDA and electronics faulty.
• Appliance not switched on or no power supply.
• 3D sensor was not electrically disconnected.
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