Wednesday, December 28, 2016

Miele W830 / W820 machine not commencing cycle (ie filling) on some Program Settings

G'day Folks

I have Miele W830 (same as a W820 in Europe though unsure of the US equiv.) Washing Machine that's approximately 17 years old and is now not starting it's cycle (ie does not commence filling) on some Program Settings, but is ok on others. The machine starts correctly in the following positions:

- In the 'Cottons' programs the 70,80&90 deg C positions work (not 30,40,50&60)
- In the 'Minimum Iron' programs the 40,50&60 work (not 30)
- In the 'Delicates' programs only the Cold works (not 30,40,50&60)
- In the 'Woolens' programs only 40 works (not Cold & 30)
- None of Starch, Spin, Drain & Quick Wash programs work

They didn't all fail simultaneously & there seemed to be some indeterminacy when the failures began to occur (a few months ago).

I have taken out the electronic control module (from behind the front panel) & cleaned the selector switch contacts with Deoxit (though you can't get to the inside of the switch the spray would have penetrated) & have buzzed the contacts which seem ok. I'm assuming the problem is with this selector/control module, but the failure mode does seem odd.

Has anyone got any ideas on fault finding to help narrow the problem down? – I know there's another larger PCB behind the front section as I opened it up a few years ago to change the shocks. Is there a service manual out there somewhere?

Thanks in advance
Gavin

via Miele W830 / W820 machine not commencing cycle (ie filling) on some Program Settings
by Gavin

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