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tilecal:lvpstripmonitoring2013
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LVPS Trips during LS1 in 2013
| Module | Trip time | Last installation before trip, box number | Symptom, problem found | Other notes |
| EBC42 | 2013-12-12 23:47:25 | 12-DEC-13 23:47:25, | ||
| LBA47 | 2013-11-20 00:05:13 | 19-NOV-13 14:50, 704 | strange negative spikes in voltage and current of HV+15V brick, HV-15V brick current 0 after fLVPS switched on https://pcata007.cern.ch/elog/Maintenance/1492 | |
| LBA14 | 2013-11-15 00:45:05 | 13-NOV-13 18:00, 716 | ||
| LBA08 | 2013-11-05 00:59:46 | 10-JAN-12 16:30, 335 | Short tantalum cap at secondary output on brick #(?) | Replace cap, brick starts again |
| EBC46 | 2013-10-31 01:17:55 | 15-MAR-13 14:41, 552 | 21-MAR-13: wrong monitored temperature, doesn't start | |
| LBC22 | 2013-06-11 04:20:21 | 07-JUN-13 17:48, 625 | ||
| EBC42 | 2013-05-31 22:01:00 | 15-MAR-13 14:41, 512 | ||
| LBA33 | 2013-05-15 21:26:40 | 14-MAY-13 20:41, 578 |
Description:
- LVPS are monitored between 21:00-7.00 (nights).
- The ignore listis are created on-the-fly by analysing LVPS modules that are OFF between 20.00:21.00.
- To reduce the output, a module with V=0 volts is checked every 2h.
tilecal/lvpstripmonitoring2013.1389718582.txt.gz · Last modified: 2014/01/14 16:56 by asc
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