SLRI Machine Status Accelerator Operation Cryogenics
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ID Date Author Event Time Type Sectiondown Icon Subject Status RTime (min) Text Attachments
  949   Mon 07 May 2012 21:27:25 Somkiat Wisaiphion Mon 07 May 2012 18:35:00 ProblemVacuum Note Reset and clear all faultFixed  Reset PWS-Pump
Reset and clear all fault
K.Bongkoch comes here for clear CDD-1
  
  956   Mon 07 May 2012 21:32:16 Somkiat Wisaiphion Mon 07 May 2012 21:00:00 ProblemVacuum Note Reset and clear all faultCompleted   Reset PWS-Pump
  
  2670   Mon 08 Oct 2012 13:49:46 Sudjakom Jummunt Sun 07 Oct 2012 17:00:32 Measured ParameterVacuum Note BL 4   Vaccum BL4 1.4x10-10 torr   
  3459   Tue 27 Nov 2012 06:08:56 Somkiat Wisaiphion Tue 27 Nov 2012 05:36:00 ProblemVacuum Note Vacuum Interlock Gate Vale CloseNot Fixed  CCG2, NIG1 and NIG2 over 5xe-8
torr
  
  4841   Thu 25 Sep 2014 09:35:28 Somkiat Wisaiphion Thu 25 Sep 2014 08:36:10 ProblemVacuum Note Dump Beam @ 153 mAFixed  SWLS pump fault " OVER TEMP"
to reset
Replace by VC mobile pump (Pressure
  
  4912   Mon 10 Aug 2015 13:56:46 Somkiat Wisaiphion Mon 10 Aug 2015 11:05:16 ProblemVacuum Note Beam dump @103.3 mA "high vacuum pressure in STR" 64High vacuum pressure in STR > 5.5x10-8
torr
Gate value STR close
 Beam-Dump-10August15.bmp 
  4914   Tue 11 Aug 2015 21:25:32 Phuwasit Wongphian Tue 11 Aug 2015 20:10:58 ConfigurationVacuum Reply Change set point of CCG-WLS1(Front end BL-7) from 5.5x10-8 to 1.0x10-7      
  4917   Wed 26 Aug 2015 12:03:48 Sarawut Chitthaisong Wed 26 Aug 2015 11:23:37 ProblemVacuum Warning Beam dump @112 mA "High vacuum pressure in STR"  Gate valve is close.(Vacuum interlock is
working)
  
  4964   Mon 26 Sep 2016 14:51:15 Sarawut Chitthaisong Mon 26 Sep 2016 14:40:55 OtherVacuum Warning Beam lifetime drop to 738 min.(Vacuum front-end at BL-4 is high pressure 1.10E-8 torr)Fixed     
  4972   Wed 28 Sep 2016 11:08:53 Apiwat Pinyoyang Wed 28 Sep 2016 10:49:32 ProblemVacuum Warning Beam dump @ 128 mAFixed Beam dump @ 128 mA Pressure vacuum fault

     -Vacuum BL1
leak
  
  4975   Fri 30 Sep 2016 09:13:59 Apiwat Pinyoyang Wed 28 Sep 2016 10:44:28 Measured ParameterVacuum Idea MeasuredCompleted Pressure at S-NIG1 = 1.61655E-9 Torr   
  4976   Fri 30 Sep 2016 09:15:40 Apiwat Pinyoyang Wed 28 Sep 2016 14:30:05 RepairVacuum Warning Checking leakFixed After checking leak at BL1, found leak
at 1st vertical slit
  
  4977   Fri 30 Sep 2016 09:18:02 Apiwat Pinyoyang Wed 28 Sep 2016 15:20:32 RepairVacuum Warning Set current magnet STR, MPW and SWLS to zero      
  5039   Mon 17 Oct 2016 08:36:05 Somkiat Wisaiphion Sat 15 Oct 2016 11:13:41 ProblemVacuum Warning Dump beam @ 131.6 mAFixed Vacuum presure high at BL-6

Leak check

- Leak found at ABS-2 bellow
  
  5041   Mon 17 Oct 2016 08:41:00 Somkiat Wisaiphion Mon 17 Oct 2016 07:26:20 Measured ParameterVacuum Note Waiting for BL-5 pressure and interlock cleaningUnder Process     
  5042   Mon 17 Oct 2016 08:42:48 Somkiat Wisaiphion Mon 17 Oct 2016 07:50:17 Measured ParameterVacuum Note BL-6 pressure (frontend)Completed -CCG1 5.0x10-10 torr

CCG2 2.2x10-9 torr (baked section)
  
  5043   Mon 17 Oct 2016 08:44:49 Somkiat Wisaiphion Mon 17 Oct 2016 08:05:21 OtherVacuum Note Open BL-6 fronted manual valveCompleted -CCG1 4.5x10-10 torr

-CCG2 2.1x10-9 torr
  
  5101   Sat 05 Nov 2016 13:08:38 Sarawut Chitthaisong Sat 05 Nov 2016 11:56:10 ProblemVacuum Warning BL-6(frontend) high pressure 2.0x10^-7 torrN/A ABS-2 photo-desorption   
  5102   Sat 05 Nov 2016 16:16:50 Sarawut Chitthaisong Sat 05 Nov 2016 12:50:18 Measured ParameterVacuum Note BL-6 pressure (frontend) 1.8x10^-8 torr      
  5108   Tue 08 Nov 2016 16:51:51 Sarawut Chitthaisong Mon 07 Nov 2016 10:32:26 ProblemVacuum Warning Beam dump @ 132 mANot Fixed Due to vacuum leak at BL-2 Section1(MPW
downsteam gate valve - RF cavity gate
valve)
  
  5109   Tue 08 Nov 2016 17:01:50 Sarawut Chitthaisong Mon 07 Nov 2016 13:00:01 MaintenanceVacuum Warning Recovery vacuum system.Under Process 1.Pump down by TMP Section1,2nd RF Cavity,Undulator

2.Plug in SIP heater 1 night.

3.Re-activate NEG Pump 2 at 400
  
  5574   Sun 11 Jun 2017 08:23:46 Tewarit Praneetponkrung Sun 11 Jun 2017 16:20:43 ProblemVacuum Note Vacuum leak @ BL5Completed K.Supawan found vaccuum leak at BL5 

BL5 colse gate valve

STR vaccuum status is OK
  
  5656   Sun 29 Oct 2017 08:25:00 Somkiat Wisaiphion Sun 29 Oct 2017 07:42:42 ProblemVacuum Warning Beam dump @ 145.5 due to high pressure in STR  High pressure CCG RF 2 in STR   
  5731   Sat 25 Nov 2017 02:57:39 Apiwat Pinyoyang Fri 24 Nov 2017 23:52:05 ProblemVacuum Warning Beam dumpFixed823.52 Beam dump @ 120 mA due to STR-RF
fault ( IL_VAC_HI, IL_SUM )

         
  
  5886   Sun 11 Mar 2018 07:28:01 Somkiat Wisaiphion Sun 11 Mar 2018 07:08:24 ProblemVacuum Warning Beam dump @ 68 mA   STR-RF fault 

Vacuum high and All gate value
closed
 DX96O6YUMAA0PS0.jpgDX96QpNVMAE4KpF.jpgDX96SXkVwAAqpUY.jpgDX96UOTU0AA-MmU.jpg 
  5959   Tue 24 Apr 2018 00:44:22 Nitisart Kumdee Tue 24 Apr 2018 00:37:08 Beam OperationVacuum Warning Beam dump @ 108.04 mA from vacuum system  00:37 Beam dump @ 108.04 mA from vacuum
system
 pic4x6.jpg 
  5973   Sat 28 Apr 2018 11:10:37 Somkiat Wisaiphion Sat 28 Apr 2018 09:40:54 ProblemVacuum Warning Beam dump  Beam dump @ 145 mA due to vacuum hiht and
TGP300 has defect changed to spare
  
  5985   Tue 08 May 2018 21:05:05 Tewarit Praneetponkrung Tue 08 May 2018 19:41:29 ProblemVacuum Note Vacuum Hi pressure  - BL2 GV @ frontend , GV can't open
>>> Ajust limit switch>>>
Ok
  
  6044   Mon 17 Sep 2018 05:34:33 Apiwat Pinyoyang Mon 17 Sep 2018 04:58:56 ProblemVacuum Warning Beam dumpCompleted3104.58 Beam dump @ 72 mA / STR-RF Vacuum
hi, GV close / Reset ok.

 
  
  6050   Wed 19 Sep 2018 19:48:25 Apiwat Pinyoyang Wed 19 Sep 2018 08:12:57 ProblemVacuum Warning Beam dump  08.12 Beam dump @ 134 mA / STR-RF fault,
vacuum hight / Reset >>> ok.

08.24 Start injection
  
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