From: Jon Brinkmann
Date: Fri, 19 Jan 2001 15:16:44 -0700
Subject: Re: 2.5-m Obslog 20010118 (MJD 51928)
> There was a glitch in the camera voltages.  About 06:45
> watcher reported a problem with the LN2 temp and the
> voltages.  Further inspection showed the temps to be ok
> but many of the voltages were out of spec.  We believed
> the problem to be a faulty power supply.  However, an
> examination showed all power supplies to be ok.  JEG
> was contacted.  He found that in dewar 4 all +voltages
> were 0 but all -voltages were fine.  We cycled power on
> the camera and things returned to normal.  Jim requested
> that Jon Brinkmann swap out the power supply on dewar 4 ASAP.
I replaced the power supply for P4 and have put it on the bench
under full load to test it.  No failure yet.
Jon