Reports until 10:49, Tuesday 04 September 2018
H1 TCS (TCS)
thomas.vo@LIGO.ORG - posted 10:49, Tuesday 04 September 2018 (43803)
TCS power supply interlock malfunctioning

Richard, Patrick, Thomas

Today we tried to turn on the laser but the 28V/28A power supplies on the mezzanine were completely turned off for some reason,  this is a new problem.  Richard tracked the problem down to a Beckhoff safety module on the interlock that was in error, this module is connected to the entire laser safety network so rebooting will cause all lasers to turn off.  The EE guys will wait till there is an opportune time to fix that module.  Until then, Richard plugged the power to both supplies directly into the outlets so we can still run the laser for commissioning higher power + preloading.