Comment pquest SNF 2010-09-03 12:44:21: Turbo spun down

mtang at mtang at
Fri Sep 3 12:44:22 PDT 2010

Following the computer reset today, the turbo pump spun down when the recipe was started.  Elmer closed the VAT, restarted the tubro, went into engineering mode and toggled the foreline valve.  It all started up again.  Jason reports that this also happened yesterday, likewise following a computer reset for lockup.  Elmer suspects the foreline valve isn't resetting the way it should.

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