vernon.sandberg@LIGO.ORG - posted 16:02, Tuesday 20 December 2016 (32791)
Work Permit Summary for 2016 December 13 Maintenance
| Work Permit | Date | Description | alog/status |
| 6411.html | 2016-12-20 13:46 | Add CS, EX and EY chiller supply water temps to cell phone alarm system. | |
| 6410.html | 2016-12-20 11:23 | Turn off remote access restrictions 4pm PST Thu 22 Dec 2016. System will be in monitoring only mode over the holidays. Reactivate restrictions 08:00 Tue 03 Jan 2017 | |
| 6409.html | 2016-12-19 16:53 | Realign ALS DIFF path to recover the beat note power. | |
| 6408.html | 2016-12-19 15:14 | Land signal wires for new LPC type controller installed last week under WP#6396. | 32784 |
| 6407.html | 2016-12-19 14:16 | Update aLOG config to make sure scripted/robo posts can run. There is a request to do robo-posts by the vacuum group over the break. | 32786 & 32787 |
| 6406.html | 2016-12-19 10:33 | Re-center the ITMx optical lever. The optic needs to be in its Aligned state for the duration of this work. No viewports will be exposed. | 32775 |
| 6405.html | 2016-12-19 08:09 | Update the calibration code to gstlal-calibration-1.1.3-v1 on the DMT. This release includes an improved bug fix to prevent the pipeline from hanging when run offline. In the previous version "there is the slight possibility of inadequate gating of the time-dependent calibration factors due to a 20 second timestamp offset, as described in this aLOG: https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=30439 This version also fixes the issue addressed by version 1.1.2, but it does not introduce this 20 second delay. | 32772 |
| 6404.html | 2016-12-14 12:48 | We've lost lock because HAM5 ISI capacitive position sensors (CPS) have suddenly started going terribly glitchy and saturating. Jim and Fil are investigating, but this'll likely involve some electronics power cycling, if not swapping. Stay tuned for further details. Originally reported in LHO aLOG 32568. | 32568 & 32572 |
| 6403.html | 2016-12-14 12:43 | Test script to overfill CP4. | 32639 & 32573 |
| 6402.html | 2016-12-14 10:39 | Test script to overfill CP3. ECR E1600324. | 32639 & 32573 |
| Previous W.P. | |||
| 6381.html | 2016-12-05 12:18 | Replace the TCSY Flow meter. Turn TCSY laser off, valve out piping volume, remove yellow paddle wheel flow meter, install new one (same version/model number). Check flow, get laser going again - will need to stabilize. | 32776 |