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Mon Oct 6 10:04:58 2014, manasa, Update, General, Unexpected power shutdown
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Mon Oct 6 10:23:43 2014, Steve, Update, VAC, Unexpected power shutdown
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Tue Oct 7 16:55:16 2014, Steve, Update, VAC, Unexpected sweaty valves 
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Wed Oct 8 08:46:57 2014, Steve, Update, VAC, VAT valves actuator lubricant
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Mon Oct 13 14:44:52 2014, Steve, Update, VAC, RGA scan pd78 -day 13
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Mon Dec 1 17:13:57 2014, Steve, Update, VAC, RGA scan pd78 -day 63
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Tue Mar 31 09:03:32 2015, Steve, Update, VAC, RGA scan pd78 day 182
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Wed Jul 1 10:01:25 2015, Steve, Update, VAC, RGA scan pd78 day 275
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Mon Oct 5 10:11:35 2015, Steve, Update, VAC, RGA scan pd78 day 386
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Tue Dec 23 14:33:24 2014, Steve, Update, VAC, Chiara gets UPS
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Mon Oct 6 10:28:18 2014, manasa, Update, General, Unexpected power shutdown
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Mon Oct 6 11:09:52 2014, Jenne, Update, General, Unexpected power shutdown: slow computers
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Mon Oct 6 17:04:51 2014, ericq, Update, General, Unexpected power shutdown
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Mon Oct 6 17:36:17 2014, ericq, Update, General, Unexpected power shutdown
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Mon Oct 6 18:15:12 2014, manasa, Update, General, Unexpected power shutdown: end green alignment
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Tue Oct 7 16:17:15 2014, Steve, Update, General, reason for 8 sec power outage
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Message ID: 10571
Entry time: Mon Oct 6 17:04:51 2014
In reply to: 10569
Reply to this: 10572
10573
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Author: |
ericq |
Type: |
Update |
Category: |
General |
Subject: |
Unexpected power shutdown |
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I brought back the PMC, MC and Arms.
PMC:
- Same as when we replaced the busted sorensen, the kepco regulators in 1X1 (which power the FSS HV amp, PMC PZT and WFS) needed to be brought back up in the proper order. (Middle two are + and - for the FSS, need to be rolled up in unison). Also the same as that occasion, sticky sliders prevented the full voltage range on the PMC PZT from being accessible. I touched every button on the PMC and FSS screens, which seemed to fix it.
- I then realigned the PMC to ~0.80 transmission
MC:
- Needed to do some hand alignment to get a lock
- Measured spot positions, they were all under 2mm
- Despite centering the beams on the WFS and setting the offsets, WFS would not turn on successfully
- Also, the autolocker on megatron isn't doing anything but blinking
- Also also, MC2 is exhibiting some intermittent alignment wandering. The SUSDOF traces look like flat ramps lasting a few minutes.
Arms:
- No green was evident anywhere, but it didn't take to much alignment tweaking to get IR flashes
- No signals were evident on RFPDs, confirmed light on PDs and power to demod boards.
- Turned out the 11MHz Marconi was not doing anything, and needed to be reset to the modulation frequency in ELOG 10314 (which reminds me that I need to update the sticker on the marconi)
- Locked arms, ASS'ed, oplev spots were acceptable.
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