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Entry  Thu Aug 12 11:04:27 2021, Paco, Update, General, PSL shutter was closed this morning 
    Reply  Thu Aug 12 14:59:25 2021, Koji, Update, General, PSL shutter was closed this morning Screen_Shot_2021-08-12_at_14.58.59.png
       Reply  Thu Aug 12 20:52:04 2021, Koji, Update, General, PSL shutter was closed this morning Screen_Shot_2021-08-12_at_20.51.19.pngScreen_Shot_2021-08-12_at_20.51.34.png
Message ID: 16278     Entry time: Thu Aug 12 14:59:25 2021     In reply to: 16277     Reply to this: 16279
Author: Koji 
Type: Update 
Category: General 
Subject: PSL shutter was closed this morning 

What I was afraid of was the vacuum interlock. And indeed there was a pressure surge this morning. Is this real? Why didn't we receive the alert?

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