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Entry  Fri Aug 25 11:11:26 2017, gautam, Update, General, MC1 kicked again MC1_glitch.png
    Reply  Thu Aug 31 21:40:24 2017, gautam, Update, General, MC1 kicked again MC1_glitch.png
       Reply  Fri Sep 1 08:25:08 2017, Steve, Update, SUS, MC1 glitching MC1glitching.pngMC1kicks.png
          Reply  Fri Sep 1 16:27:39 2017, gautam, Update, SUS, MC1 glitching 
Message ID: 13283     Entry time: Thu Aug 31 21:40:24 2017     In reply to: 13253     Reply to this: 13284
Author: gautam 
Type: Update 
Category: General 
Subject: MC1 kicked again 

There was a pretty large glitch in MC1 about an hour ago. The misalignment was so large that the autolocker wasn't able to lock the IMC. I manually re-aligned MC1 using the bias sliders, and now IMC locks fine. Attached is a 90 second plot of 2K data from the OSEMs showing the glitch. Judging from the wall StripTool, the IMC was well behaved for ~4 hours before this glitch - there is no evidence of any sort of misalignment building up, judging from the WFS control signals.

Attachment 1: MC1_glitch.png  42 kB  | Hide | Hide all
MC1_glitch.png
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