Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  RH-ISAC, Page 125 of 138  Not logged in ELOG logo
ID Date Authordown Category Type Module Target/Number Subject
  860   Thursday, March 12, 2015, 13:33 Anders MjosSouth Hot-CellStandard OperationTM1ThO#1Target inspection

Chad, Anders and Alex inspected the target this morning. The target had no significant visible damage to the container. Some material was deposited on the Extraction Electrode.

Phots on DocuShare

  878   Monday, March 30, 2015, 09:03 Anders MjosConditioning StationStandard OperationTM4Ta#45Ta#45 Conditionoing

Monday, March 30, 2015, 08:59: Reset chiller by switching on off power (fault 2)

Monday, March 30, 2015, 09:02: Switched on CHILL:CP2, TS5 at 34 C

Monday, March 30, 2015, 10:24 : Cage locked. EE to GND. BIAS and EL ON.

Troubleshooting BIAS current limiting. Turned out to be a EPICS initialization issue. Resolved by setting/changing the current limit again in EPICS.

Monday, March 30, 2015, 14:00: BIAS/EL 18 / 9 kV

Monday, March 30, 2015, 14:16: BIAS/EL 24 / 12 kV

Monday, March 30, 2015, 16:03: BIAS/EL 30 / 15 kV. Occasional sparking while stepping up since 26 kV

Monday, March 30, 2015, 16:13: BIAS/EL 30.8 / 15 kV. 110% of scheduled 28 kV. BIAS/EL 0.04 / 0.09 mA

Monday, March 30, 2015, 17:26 : Maintained BIAS over 1 hour. One spark after.

Monday, March 30, 2015, 17:27 : BIAS / EL off.


Tuesday, March 31, 2015, 08:12: Cage access. EE to EE PS. Cage locked.

Tuesday, March 31, 2015, 08:24: BIAS/EL/EE at 30.8 / 15 / 1 kV

Tuesday, March 31, 2015, 08:26 : EE to 2 kV, 1.96 mA

Tuesday, March 31, 2015, 08:46: No sparks for 20 min.

Tuesday, March 31, 2015, 08:48 : BIAS/EL/EE at 20 / 9.3 / 1.5 kV

Tuesday, March 31, 2015, 08:57: Started auto ramping of heaters to 580 / 230 A at 2 A/min.

Tuesday, March 31, 2015, 10:54: TBHT at 230 A

Tuesday, March 31, 2015, 14:05: TGHT at 580 A

Tuesday, March 31, 2015, 14:21: BIAS/EL/EE to 30.8 / 15 / 2 kV

Tuesday, March 31, 2015, 17:48: Source stable for 4h

Tuesday, March 31, 2015, 18:20: Lowered IAS/EL/EE to 20 / 9.3 / 1.5 kV. IG2 at 6.2E-6 T

Tuesday, March 31, 2015, 21:27: Starting ramp down at 15/12 A/min. IG2 at 6.8E-6 T

Tuesday, March 31, 2015, 21:51: BIAS/EL/EE to zero and off. IG2 at 6.6E-6 T

Tuesday, March 31, 2015, 22:17: TGHT and TBHT off

Tuesday, March 31, 2015, 22:41: Turbos off.

Tuesday, March 31, 2015, 22:42: Water off.

  886   Wednesday, April 15, 2015, 09:01 Anders MjosConditioning StationDevelopment  Archiver variables added by Controls

 

 

 

 

 

 

 

 

 

 

The following variable have been added to the archiver (as per work request)

TCS:TS5:RDTEMP 
TCS:TCM1:EE:RDTEMP 
TCS:TCM1:COIL1:RDTEMP 
TCS:TCM1:TBHT:RDTEMP 
TCS:TCM1:TGHT:RDTEMP 
TCS:TCM1:MSP:RDTEMP 
TCS:TCM1:HVC1:RDTEMP 
TCS:TCM1:HS:RDTEMP 
TCS:FC:SCALECUR 
TCS:COL:SCALECUR 
TCS:TK2:RDLEVEL 
TCS:TK2:RDLEVEL 
TCS:DIF1:RDFLOW 
TCS:CHILL:RDHRS

The archiver was restarted.

 

 

  891   Monday, April 20, 2015, 10:12 Anders MjosConditioning StationStandard OperationTM1UC#12Conditioning UC#12

Monday, April 20, 2015, 09:35: Started cooling water circulation

HV cover did not fit due to interference with the air sampling valve. Target Hall will have to be locked out for conditioning to proceed. WP I2015-04-20-2

Monday, April 20, 2015, 10:09: Started chiller staging

Target hall and HV enclosure has been locked out.

Monday, April 20, 2015, 13:45: 22 kV, 0.04 mA BIAS 

Monday, April 20, 2015, 14:58: No sparks observed. BIAS off


Tuesday, April 21, 2015, 08:26:  Starting heater auto-ramp to 500 / 230 A at 2 A/min

Tuesday, April 21, 2015, 08:32: BIAS/EE to 20 / 1.5 kV

Tuesday, April 21, 2015, 12:59: TGHT / TBHT at 327 / 230 A. Pausing the auto-ramping. Bill will be monitoring TCS while I am off-site.

Tuesday, April 21, 2015, 15:56: Continue auto-ramping

Tuesday, April 21, 2015, 17:34: Auto-ramping finished. TGHT / TBHT at 500 / 230 A


Wednesday, April 22, 2015, 08:43: Vacuum tripped heaters and BIAS over night. Switching off to do a leak check on the service cap.

Wednesday, April 22, 2015, 09:03: Stopping turbo and roughing pump for David. David is preparing a leak check.

Wednesday, April 22, 2015, 09:06: Started roughing pump.

Wednesday, April 22, 2015, 09:22: Roughing pump trips off after a few minutes of pumping.

Wednesday, April 22, 2015, 13:11: Stopped water flow.

Wednesday, April 22, 2015, 16:07: Starting turbos 

Wednesday, April 22, 2015, 16:15: All turbos at speed.


David found a leak on the window line this morning.
https://elog.triumf.ca/TIS/RH-ISAC/896

Thursday, April 23, 2015, 11:12 : Starting cooling pack

Good vacuum limit on IG1 changed from 7E-5 T to 1E-5 T

Thursday, April 23, 2015, 12:53 : Starting heater auto-ramp to 500 / 230 A at 2 A/min. Bad vacuum limit reduced to 8E-6 T

Thursday, April 23, 2015, 13:03 : BIAS/EE to 15/ 1.5 kV

Thursday, April 23, 2015, 13:28 : BIAS/EE to 20/ 1.5 kV. No sparking observed

Thursday, April 23, 2015, 17:23: Auto-ramping finished. TGHT / TBHT at 500 / 230 A

Thursday, April 23, 2015, 17:51: Fault on cooling circuit (Fault 2).. Manually starting CP1

Thursday, April 23, 2015, 18:01: Cycled power of chiller unit. System recovered. Enabled staging.

Thursday, April 23, 2015, 18:42 : One minor spark observed. Starting cool down at 12 and 9 A/min

Thursday, April 23, 2015, 19:51 : Heaters and BIAS off


Friday, April 24, 2015, 08:21 : Water cooling off

  897   Thursday, April 23, 2015, 12:56 Anders MjosConditioning StationMaintenanceTM1 IG1 Good Vacuum limit changed

Changed by Dave Morris. 

New value is 1E-5 T (old value was 7.09E-5 T)

  903   Tuesday, April 28, 2015, 11:09 Anders MjosITWMaintenance  Resistance measured of TGHT and TBHT lines to ITW

The new TBHT and TGHT power supplies were brough up to high current; 350 A and 420 A respectively. The TGHT power supply was limited by PLC to 420 A. The resistance calculated for both the TBHT and TGHT copper lines from the electrical services room to the ITW pit was 1.35 mOhm. See attached spreadsheet for details.

Dave Morris has been contacted to correct the current limit for the TGHT supply to 600 A.

  909   Monday, May 04, 2015, 13:32 Anders MjosConditioning StationMaintenance  TK2 expansion tank topped up

Caled cyclotron ops to open P23 and confirmed penthouse valve open.

Filled up TK2 to 21 in water leve.

  913   Monday, May 11, 2015, 10:45 Anders MjosConditioning StationMaintenance  RGA electronics box installed

 The communications chip has been replaced. The electronics box has been grounded (see attached pdf).

  931   Wednesday, June 03, 2015, 13:01 Anders MjosConditioning StationStandard OperationTM4SiC#31Conditioning SiC#31

PNG1 connected to PNG in service cap (as per David W)

 Wednesday, June 03, 2015, 12:59: Water on

Wednesday, June 03, 2015, 13:04: Staging enabled.

Wednesday, June 03, 2015, 14:02: Auto-ramping to 580 and 200 A at 2 and 1 A/min.

Wednesday, June 03, 2015, 14:03 : BIAS/EL/EE to 20/10/1.5 kV


ISAC operations monitored TCS from Wednesday to Monday


Monday, June 08, 2015, 08:55 : Started cool-down of target

Monday, June 08, 2015, 09:19: BIAS/EL/EE off

Monday, June 08, 2015, 09:32: EE configured to conditioning mode

Monday, June 08, 2015, 10:12 : TGHT and TBHT off

Monday, June 08, 2015, 10:25: BIAS/EL to 20/10 kV

Monday, June 08, 2015, 10:32: BIAS/EL to 30/15 kV

Monday, June 08, 2015, 10:45: BIAS/EL to 40/20 kV. Some bias sparking from ~39 kV

Monday, June 08, 2015, 13:40: BIAS/EL to 47.5/20 kV

Monday, June 08, 2015, 14:35: BIAS/EL to 50/20 kV

Monday, June 08, 2015, 14:39: BIAS/EL to 50/25 kV

Monday, June 08, 2015, 16:54: BIAS/EL to 53/25 kV

Monday, June 08, 2015, 17:03: BIAS/EL/EE off


Tuesday, June 09, 2015, 08:02: BIAS/EL to 30/15 kV

Tuesday, June 09, 2015, 08:07: BIAS/EL to 40/20 kV.

Tuesday, June 09, 2015, 08:13: BIAS/EL to 50/25 kV

Tuesday, June 09, 2015, 08:27: BIAS/EL to 53/25 kV 

Tuesday, June 09, 2015, 08:57: BIAS/EL to 55/25 kV  

Tuesday, June 09, 2015, 09:31: Power supplies tripped on IG2 vacuum after a spark at ~57.5 kV

Tuesday, June 09, 2015, 09:40: BIAS/EL to 40/20 kV.

Tuesday, June 09, 2015, 10:00 : BIAS/EL to 55/25 kV  

Tuesday, June 09, 2015, 10:09: BIAS/EL to 57.5/25 kV

Tuesday, June 09, 2015, 10:22: Sparking activity at 58 kV. Tripped TP2 and BV2. Reduced to 50 kV. Leakage current increased.

Tuesday, June 09, 2015, 10:33: Sparking activity at 55 kV. Reduce to 45 kV. Increased BIAS current limit from 0.25 to 0.30 mA

Tuesday, June 09, 2015, 10:41: BIAS/EL to 50/25 kV. BIAS RDCUR 0.17 mA, was 0.08 mA at 8:13 this morning.

Tuesday, June 09, 2015, 11:28 : Restarted TP2. Tripped.

Tuesday, June 09, 2015, 11:50:  Increased BIAS current limit from 0.30 to 0.35 mA

Tuesday, June 09, 2015, 11:55 : BIAS/EL to 54.5/25 kV for 5 min, 0.12 mA . Reducing to 40 kV for lunch break.

Tuesday, June 09, 2015, 13:07: BIAS/EL to 50/25 kV 

Tuesday, June 09, 2015, 13:27: BIAS/EL to 55/25 kV 

Tuesday, June 09, 2015, 13:40: BIAS/EL to 57/25 kV 

Tuesday, June 09, 2015, 13:49: BIAS/EL to 57.5/25 kV. Increased BIAS current limit from 0.35 to 0.40 mA

Tuesday, June 09, 2015, 14:30: IG1 tripped after spark. Controller seems to be broken. Forced IG1. Fault report submitted June 10th.

Tuesday, June 09, 2015, 14:58: BIAS/EL to 45/25 kV

Tuesday, June 09, 2015, 15:46: BIAS/EL to 55/25 kV

Tuesday, June 09, 2015, 15:55: BIAS/EL to 56/25 kV

Tuesday, June 09, 2015, 17:30: BIAS/EL to 57/25 kV 

Tuesday, June 09, 2015, 17:46: BIAS/EL to 57.5/25 kV 

Tuesday, June 09, 2015, 18:00: BIAS/EL to 58/25 kV

Tuesday, June 09, 2015, 18:30: No sparks for 30 min

Tuesday, June 09, 2015, 18:55: One spark observed. BIAS/EL off.

Tuesday, June 09, 2015, 18:56: Turbos stopped. Stopped water circuit.


Thursday, June 11, 2015: IG1 seems to work again after a power cycle. Controller tested with another IG. Closing Fault report

  959   Tuesday, June 23, 2015, 16:49 Anders MjosConditioning StationDevelopment  TCS is beeing migrated to ISAC

by controls group (Dave Morris).


Friday, June 26, 2015

TCS has been migrated to ISAC controls. Access is possible on a per user basis from isacepics1.triumf.ca

  966   Friday, June 26, 2015, 15:38 Anders MjosConditioning StationDevelopmentTM2 Leak check and HV test

Roughing started by David.

Friday, June 26, 2015, 15:31: Started TP1S

Friday, June 26, 2015, 15:38: Started  TP1 & TP2

Friday, June 26, 2015, 15:47: TPs timed out. Restarted

Friday, June 26, 2015, 15:49: TP2 at speed

Friday, June 26, 2015, 15:49: TP1 at speed.

Friday, June 26, 2015, 15:54: IG1 on. 4.7E-5 T.

Friday, June 26, 2015, 15:56: IG2 on.  9.8E-5 T

Friday, June 26, 2015, 15:59: IG1S on. 2.9E-4 T


Leak found on service cap panels (David W)

Monday, June 29, 2015, 10:29: Stopped turbo pumps.

  973   Thursday, July 02, 2015, 10:22 Anders MjosConditioning StationMaintenanceTM2 TP1S failed

 See e-fault 8233. Edi assisted in diagnosing the problem. The pump will have to be replaced.

  977   Friday, July 03, 2015, 09:27 Anders MjosConditioning StationDevelopment  Controls working on access control in EPICS

 Some reboots will be done.

  981   Tuesday, July 07, 2015, 10:50 Anders MjosConditioning StationDevelopment  EPICS migration update - archiver
  • The archiver is now merged with ISAC - data available under Utilities - Archiver Retrieval
  • Old archiver data is available under Utilities -> Archiver Retrieval - old
  • Strip tool save/load and export files under /data/tcsdata
  • Login via isacepics1.triumf.ca. TCS button on ISAC menu
  988   Thursday, July 09, 2015, 13:17 Anders MjosConditioning StationStandard OperationTM1 TM1 in TCS for alpha contamination test

 Thursday, July 09, 2015, 13:17: Water package started.

Thursday, July 09, 2015, 15:20: Water package stopped.


Friday, July 10, 2015, 14:15: Roughing with new pump

  992   Friday, July 10, 2015, 14:41 Anders MjosConditioning StationMaintenanceTM1 Replaced roughing pump

 The roughing pump was replaced with a more leak tight pump due to the discovery of Rn-220 migration while roughing on TM1 in TCS

  1039   Monday, August 17, 2015, 10:44 Anders MjosConditioning StationDevelopmentTM2LP-FEBIAD Test Target (empty)Conditioning TM2 Source Tray with FEBIAD test target

TGHT, TBHT, ANODE and COIL power tested (some amps/volts)

Monday, August 17, 2015, 10:43: BIAS/EL/EE to 15/7.5/1.5 kV

Monday, August 17, 2015, 10:45 : COIL 20A, ANODE 200V

Keiko fixed the auto-ramping program and access rights to it.

Monday, August 17, 2015, 13:06: Auto-ramping at 2/1 A/min. Good/bad vacuum at 6E-6 and 8E-6 T

Monday, August 17, 2015, 13:24 : ANODE current limit set incorrectly. Corrected and 200V (9 mA)

Monday, August 17, 2015, 15:28: COIL to 50 A

Monday, August 17, 2015, 15:43: Reduced ANODE to 100 V

Monday, August 17, 2015, 16:56 : Increased EL to 8.3 kV to increase FC current.

Monday, August 17, 2015, 17:04 : FC0 current at 1.5E-8 A

Beam ionized and accelerated on the new TM2 source tray

Monday, August 17, 2015, 17:12 : TGHT / TBHT at 500 / 250 A. Will leave over night to outgas. ISAC ops are monitoring the source.


Tuesday, August 18, 2015, 08:07: Everything stable overnight. Continue ramping heaters.

Tuesday, August 18, 2015, 08:48: TBHT voltage limited by EPICS (hardcoded) at 273 A.

TGHT/TBHT at 600 / 273 A 

Tuesday, August 18, 2015, 09:52: Adjusted COIL current down to 0 and back up. Response seen on FC0.

Tuesday, August 18, 2015, 22:29 : Starting cool down.


 Wednesday, August 19, 2015, 08:26: Source and HV off. EE configured to conditioning mode. RGA off.

Wednesday, August 19, 2015, 08:42: BIAS/EL at 15 / 7.5 kV. PNG1 at 3.5E-6 T, IG1 at 3.9E-7 T

Wednesday, August 19, 2015, 08:53: BIAS/EL 20 / 10 kV. 2 sparks.

Wednesday, August 19, 2015, 09:54: BIAS/EL 30 / 15 kV. Some sparking around 28 kV required BIAS voltage to be reduced momentarily. 

Wednesday, August 19, 2015, 10:04: Sparking at 30 kV. Reduced BIAS to 13 kV to get spar rate to less than 10/min

Wednesday, August 19, 2015, 10:19 : BIAS current limiting. Switch off BIAS and EL

Wednesday, August 19, 2015, 12:04: Water off for purging and leak test.

Wednesday, August 19, 2015, 12:52: Vacuum response observed while David was working on purging the water lines. This turned out to be when the valve to the leak detector was opened.

  1045   Friday, August 21, 2015, 11:38 Anders MjosSouth Hot-CellRepairTM2FEBIAD Test TargetSteerer wires found to be touching the gas lines

Yesterday TM2 was inspected in the SHC. Spark marks were found both on the steerer wires and on the ANODE wire. The steerer wires (GND)  were touching the gas lines (60kV). This is likely the cause of the sparking observed at the Conditioning Station (e-log).

Photos are available on DocuShare

  1048   Wednesday, August 26, 2015, 09:54 Anders MjosConditioning StationMaintenance  Topped up water in TCS:TK2

 Filled to 24.9 in

  1055   Thursday, August 27, 2015, 10:10 Anders MjosConditioning StationStandard OperationTM2ZrC#7Conditioning new Source Tray

Thursday, August 27, 2015, 10:10: Started water system. TK2 level reduced from 24.9 to 23.5 in. 

IG2 not working. Force is ON.


EE in conditioning mode.

 Friday, August 28, 2015, 08:39: BIAS/EL 10 / 5 kV

Friday, August 28, 2015, 08:49: BIAS/EL 20 / 10 kV

Friday, August 28, 2015, 09:18 BIAS OFF. Ramping to 200/100 A at 2/1 A/min

Friday, August 28, 2015, 15:46: Target at 76 / 38 A. Changed ramping to 100/40 at 1/0.5 A/min

Friday, August 28, 2015, 22:20: Ramping down heaters.


Saturday, August 29, 2015, 09:50: RGA off. PNG1 7.85E-6 / 5.0E-6 T (EPICS / local)

Saturday, August 29, 2015, 10:11: BIAS/EL 20 / 10 kV

Saturday, August 29, 2015, 10:28: BIAS/EL 30 / 15 kV. Some sparking around 29 kV

Saturday, August 29, 2015, 10:43: 10 min w/o sparking

Saturday, August 29, 2015, 10:55: BIAS/EL 32 / 15 kV. Small vacuum responses for every 100 V increase

Saturday, August 29, 2015, 11:03: Sparking at 33 kV

Saturday, August 29, 2015, 11:12: BIAS/EL 34 / 15 kV

Saturday, August 29, 2015, 14:22: Power has returned after site-wide power outage, but no communication with IOC yet.

Saturday, August 29, 2015, 15:13: IOC restarted.

Saturday, August 29, 2015, 15:14: Starting turbos

Saturday, August 29, 2015, 15:22: Turbos at speed.

Saturday, August 29, 2015, 15:22 : MP3 not running. Investigating

Saturday, August 29, 2015, 15:47: Reset MP3 breaker (wait 5 min for capacitors to empty)

Saturday, August 29, 2015, 15:48: Water system running


Sunday, August 30, 2015, 09:38: BIAS/EL 10 / 5 kV

Sunday, August 30, 2015, 09:54: BIAS/EL 20 / 10 kV 

Sunday, August 30, 2015, 10:01: BIAS/EL 30 / 15 kV 

Sunday, August 30, 2015, 10:12: No sparking

Sunday, August 30, 2015, 10:27: BIAS/EL 35 / 15 kV 

Sunday, August 30, 2015, 10:37: No sparking

 Sunday, August 30, 2015, 10:52:  BIAS/EL 37.5 / 15 kV 

Sunday, August 30, 2015, 11:00:  BIAS/EL 37.5 / 20 kV. No sparks

Sunday, August 30, 2015, 11:22:  BIAS/EL 40 / 20 kV 

Sunday, August 30, 2015, 11:34: No sparks

Sunday, August 30, 2015, 12:00: BIAS/EL 42 / 21 kV

Sunday, August 30, 2015, 12:32: Sparking at 43.5 kV. Tripped off PS on conductivity (spark response)

Sunday, August 30, 2015, 12:44:  BIAS/EL 40 / 20 kV. ISAC Ops will monitor over lunch

Sunday, August 30, 2015, 14:20: BIAS/EL 43 / 20 kV

Sunday, August 30, 2015, 14:41: Sparking at 43.5 kV. lowered to 43 kV

Sunday, August 30, 2015, 15:56: Sparking every 5-10 min at 43.4 kV not able to increase to 43.5 kV. Sparking is causing signal response on water conductivity and drop in IG1 and IG1S readings during sparking.


Monday, August 31, 2015, 08:33: BIAS/ EL to 40 / 20 kV in 9 min w/o any sparking

Monday, August 31, 2015, 08:44: No sparking

 Monday, August 31, 2015, 08:46: BIAS/ EL to 42 / 20 kV

Monday, August 31, 2015, 08:53: BIAS/EL 43 / 20 kV. Two vacuum/current responses

Monday, August 31, 2015, 09:47: BIAS off to investigate spakring.

David observed sparking coming from under the HV cover on TM2 twice. When the cover was removed, spark marks on a rubber plug for the water lines was observed. The plug with marks and one more plug was removed from the service cap as it is not used. See attached PDF.

Monday, August 31, 2015, 10:09: BIAS/ EL to 40 / 20 kV in 8 min w/o any sparking

Monday, August 31, 2015, 10:15 BIAS/EL 43.5 / 22 kV. One small spark

Monday, August 31, 2015, 10:30: No sparks

Monday, August 31, 2015, 10:35: BIAS/EL 44 / 22 kV.

Monday, August 31, 2015, 11:00: BIAS/EL 45 / 22 kV.

Monday, August 31, 2015, 11:31: PNG1 taken out by a spark

Monday, August 31, 2015, 12:04: Reset power to PNG1 controller. PNG1 back online.

Monday, August 31, 2015, 12:25: BIAS tripped on IG1 after a spark at 47.1 kV

Monday, August 31, 2015, 12:39: BIAS/EL 47 / 24 kV. No sparks for 5 min

Monday, August 31, 2015, 12:54: PNG1 taken out by spark at 47.7 kV

Monday, August 31, 2015, 13:02: BIAS/EL 48 / 24 kV

Monday, August 31, 2015, 13:07: No sparks

Monday, August 31, 2015, 13:25: BIAS/EL 49 / 24 kV

Monday, August 31, 2015, 13:30: No sparks

Monday, August 31, 2015, 13:37: PNG1 returned after a spark

Monday, August 31, 2015, 14:06: BIAS/EL 50 / 25 kV

Monday, August 31, 2015, 14:45: No sparks.

Monday, August 31, 2015, 15:15: BIAS/EL 51 / 25 kV

Monday, August 31, 2015, 15:38: BIAS/EL 51 / 30 kV

Monday, August 31, 2015, 16:01: Tested XCB0 and YCB0 to 5 kV. Some sparking. Tested CCB0 to 4 kV. No sparking.

Monday, August 31, 2015, 16:50: No sparks for 1 hour at 51 / 30 kV.

Monday, August 31, 2015, 17:00: HV off.

 Monday, August 31, 2015, 17:07: EE at 2 kV, R= 1 MOhm

Monday, August 31, 2015, 17:08 : EE off.

Monday, August 31, 2015, 17:10: Water off.

Monday, August 31, 2015, 17:12 : Vacuum gauges off. Turbos off. Roughing pump off.

ELOG V2.9.2-2455