Front load washer not turning on - How to diagnose?

Press the start button and nothing happens - no lights, no nothing. Prior to this, it was working fine.

This is what i've done so far...

Using a multimeter, i checked...

1. Socket
2. Plug fuse
3. Power at the plug cable connector (which connects to the noise filter)
4. Power by back-probing the other connector of the wire that goes to the washer at the noise filter (check out picture below).
5. Random connectors at control board

What else can i do to find out where the problem is?

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via Front load washer not turning on - How to diagnose?
by Elli