SLRI Machine Status Accelerator Operation Cryogenics
  Operation E-Logbook, Page 429 of 430  Not logged in Accelerator E-Logbook
ID Date Author Event Time Type Section Iconup Subject Status RTime (min)
  9704   Fri 14 Aug 2015 09:03:49 Sarawut Chitthaisong Fri 14 Aug 2015 08:28:57 ProblemOther Warning Beam dump during control SPS orbit system  

unknown reason

  9888   Tue 25 Aug 2015 08:22:28 Phuwasit Wongphian Tue 25 Aug 2015 08:12:27 ProblemMagnet Warning Y-QD Power supply fault  

Reset OK

  9908   Wed 26 Aug 2015 11:59:21 Sarawut Chitthaisong Wed 26 Aug 2015 11:23:15 ProblemVacuum Warning Beam dump @112 mA "High vacuum pressure in STR"Completed33

Gate valve is close (Vacuum interlock is working)

  9923   Thu 27 Aug 2015 05:48:11 Phuwasit Wongphian Thu 27 Aug 2015 05:35:39 ProblemRF Warning Beam dump @76 mA "RF fault(IL SUM) and S-GV closed"  
  9963   Sat 29 Aug 2015 08:40:31 Phuwasit Wongphian Sat 29 Aug 2015 08:12:59 ProblemMagnet Warning Y-QD is not working ---> Re strat OK  
  10144   Sun 13 Sep 2015 08:32:07 Sarawut Chitthaisong Sun 13 Sep 2015 05:52:53 ProblemMagnet Warning SWLS power supply fault >P-N2 Hi >Alarm reset OK.  
  10286   Tue 22 Sep 2015 14:53:24 Sarawut Chitthaisong Tue 22 Sep 2015 10:50:13 ProblemOperation Warning Beam drop from 120 mA to 76.1 mA  
  10291   Tue 22 Sep 2015 14:58:45 Sarawut Chitthaisong Tue 22 Sep 2015 14:08:46 ProblemElectrical Warning Electricity unstable 2 times during warm up magnets  

SWLS PS fault/KFC PS4 fault/Y-QF fault/STR-RF fault/Y-QD-PS fault

  10331   Thu 24 Sep 2015 10:23:41 Sarawut Chitthaisong Thu 24 Sep 2015 09:03:03 ProblemOperation Warning Beam drop from 116 mA to 75 mA  
  10512   Thu 08 Oct 2015 08:36:06 Sarawut Chitthaisong Thu 08 Oct 2015 01:35:30 ProblemOperation Warning Beam drop from 85 mA to 73.8 mA  
  10536   Fri 09 Oct 2015 08:48:18 Sarawut Chitthaisong Fri 09 Oct 2015 08:08:27 ProblemOperation Warning H-BH-M1 fault >CROWBAR>Reset by local>Set current>OK.  
  10576   Sun 11 Oct 2015 06:13:28 Sarawut Chitthaisong Sun 11 Oct 2015 02:48:55 ProblemOperation Warning Beam drop from 88 mA to 12 mA  
  10584   Sun 11 Oct 2015 06:38:11 Sarawut Chitthaisong Sun 11 Oct 2015 05:28:38 ProblemOperation Warning Beam drop from 125 mA to 21.59 mA  
  10592   Sun 11 Oct 2015 06:49:59 Sarawut Chitthaisong Sun 11 Oct 2015 06:18:14 ProblemRF Warning Beam dump @146.25 mA "STR-RF fault"  

section controller#4 trip //section #4 shutdown //section#4 over temp. >>Reset >>OK.

 

  10599   Sun 11 Oct 2015 07:32:27 Sarawut Chitthaisong Sun 11 Oct 2015 06:57:53 ProblemOther Warning Beam dump @143.5 mA  
  10684   Fri 16 Oct 2015 02:11:01 Sarawut Chitthaisong Fri 16 Oct 2015 01:35:27 ProblemOperation Warning Beam drop from 91 mA to 47 mA  
  10725   Wed 28 Oct 2015 20:19:39 Phuwasit Wongphian Wed 28 Oct 2015 19:30:04 ProblemOperation Warning Test injection SYN only  

Digital delay gen error ---> Power off and power on digital delay gen. ---> OK

Linac fault : RF warm up ---> S band pulse amp fault ---> Reset OK

  10784   Sun 01 Nov 2015 18:55:02 Phuwasit Wongphian Sun 01 Nov 2015 18:27:22 ProblemRF Warning SYN - RF fault >>> Reset ---> OK  
  10828   Sun 08 Nov 2015 21:27:17 Sarawut Chitthaisong Sun 08 Nov 2015 20:24:32 ProblemBeam Dynamics Warning Beam dump @151 mA --> 0 mA during SOFB process  
  10833   Sun 08 Nov 2015 21:30:19 Sarawut Chitthaisong Sun 08 Nov 2015 20:50:23 ProblemOperation Warning Beam dump @152 mA --> 0 mA during SOFB process  
  10871   Wed 11 Nov 2015 08:28:49 Sarawut Chitthaisong Wed 11 Nov 2015 07:24:21 ProblemOther Warning Beam drop from 65 mA to 56 mA  
  10886   Thu 12 Nov 2015 04:51:16 Sarawut Chitthaisong Thu 12 Nov 2015 04:25:44 ProblemOther Warning Beam drop from 76 mA to 3 mA  
  10893   Thu 12 Nov 2015 07:50:03 Sarawut Chitthaisong Thu 12 Nov 2015 05:16:08 ProblemOperation Warning Beam dump@ 142 mA  

unknown reason

  10912   Fri 13 Nov 2015 07:38:42 Sarawut Chitthaisong Fri 13 Nov 2015 04:50:51 ProblemOther Warning Beam drop from 71 mA to 15 mA  

Re-injection

  10918   Fri 13 Nov 2015 07:44:16 Sarawut Chitthaisong Fri 13 Nov 2015 05:22:23 ProblemOperation Warning Beam drop from 145 mA to 21 mA during SPS orbit feedback process  

Re-injection

  11002   Wed 18 Nov 2015 08:36:03 Phuwasit Wongphian Wed 18 Nov 2015 08:28:51 ProblemOperation Warning Beam drop from 147 mA to 28.20 mA (SPS orbit)  
  11027   Fri 20 Nov 2015 08:31:43 Phuwasit Wongphian Fri 20 Nov 2015 04:30:49 RoutineOperation Warning Beam drop from 75.93 mA to 69.69 mA  
  11120   Thu 26 Nov 2015 00:45:45 Tewarit Praneetponkrung Thu 26 Nov 2015 23:41:06 ProblemMagnet Warning S-BM-M Fault --> Sink temp.  
  11128   Thu 26 Nov 2015 02:37:07 Tewarit Praneetponkrung Thu 26 Nov 2015 11:45:55 ProblemMagnet Warning Beam dump@ 130 mA  

S-BM-M Fault --> Sink temp

  11134   Thu 26 Nov 2015 09:20:11 Phuwasit Wongphian Thu 26 Nov 2015 02:45:24 ProblemMagnet Warning Beam dump @148 mA due to S-BM fault "Sink Temp"  
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