Will hopefully you got the right guy, I lived in Sandwich for four years and had my boat in Borne, what I would have you try is see if you can get this into the diagnostic mode by following these instructions,
Access has to be completed within 10 seconds.
A Press Start and hold.
A Switch the washer on.
A As soon as the "Start" LED flashes, release the Start button.
A Press Start 3 times and on the 3rd time hold for about 4 seconds until the
display shows the service functions, and the "Start" LED flashes slowly (1
flash per second).
The "Start" LED flashes slowly (1 flash per second).
The display shows the service functions.
If accessing is not successful, the control will revert automatically to the normal
Select and start a service function:
A Press the left menu button to select the desired service function; start the
function by pressing the right menu button (OK).
The component test automatically switches off 30 minutes after the last
component is activated.
Descriptive Technical Documentation
DTD no. 11-3030 075-35
these machines are very difficult to diagnose so you need to see if you can get into diagnostic mode, let me know if it enters a diagnostic mode, the first thing you need to do it I'm not sure if you can is to shut the machine off before starting this program, are you able to shut it off,?