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Problem with Cell Washer

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We have a problem with a Helmer Ultra CW centrifuge that we discovered yesterday.  When doing a quarterly check, we noted that when doing a "check" after a wash/decant/agitate/fill cycle, the cell button often does not always completely re-suspend.  Anyone know what might be the problem?

Helmer has had us check the settings and all seem as it should be.  This seems to be a random issue as sometimes it works for individual positions and sometimes it doesn't.  At this point, Helmer has not called back with anymore ideas.


Thnaks, Scott

Edited by SMILLER

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