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. |
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 |