bernstein 01-800270 DW overfills

[bubs]

Any advice here would be appreciated. Fixed a customers WM and was asked to look at the DW; a Bernstein 01-800270 (Servis I think). It intermittently overfills, flooding the floor. There is a pressure chamber under the filters with a 4 screw lid and an o-ring seal. This is all clean. I didn’t have time to pull it out, is there and common problem with this machine (p-switch, o-ring not sealing) or are they usually just blocked further up the pipe?

Cheers
Graeme

[Dave_Conway]

Re: bernstein 01-800270 DW overfills

I can confirm it is a Servis, personally I’ve never had one overfill on me though (that I can remember anyway).

Loosely fitted pressure hose maybe at either end an intermittent pressure switch ?

Dave.

[goosegreen]

Re: bernstein 01-800270 DW overfills

I have had a few overfilling and when they do the pressure S/W tube is flooded. Changed P/S (SER52000300) cured fault.

Goosegreen

[bubs]

Re: bernstein 01-800270 DW overfills

Thanks, will order a presure switch.
Graeme

[kwaremont]

Re: bernstein 01-800270 DW overfills

I have repaired a few of these with this fault in every case it
was the 4 screw pressure pot lid “o” ring Steve

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