Indesit dishwasher DIFP 18B1 error

[jennynotts]

Hi, have an Indesit Dishwasher DIFP 18B1 which doesn’t always start properly.
You can hear the motor start, but then it stops and the green light flashes and shows a 5 on the display. I can’t find this as an error code anywhere.
I have to switch it off, then try again. Sometimes it works, sometimes it doesn’t, (most of the time it doesn’t). There is no difference in what I do to it, just sometimes will work.
I had a plumber out to look at it a year or so ago, and of course it worked first time when he was here. He couldn’t find anything wrong.
Since then it is getting worse, I’d say it’s around 1 in 6 that it will actually work and wash my dishes.
Can anyone help?

[electrofix]

I think fault 5 is a pressure switch fault

like this
https://parts.hotpoint.co.uk/product/dishwasher/taps-valves/C00274118

now the switch could be faulty or
it could be a blocked hose or
it could be a wiring error or
it could be a timer fault

Dave

[Author]

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