Wednesday, September 30, 2020, 06:14: Power / sources on.
Wednesday, September 30, 2020, 06:17: Auto-ramping TGHT / TBHT to 300 / 150 A @ 3 A per min.
Wednesday, September 30, 2020, 06:22: Optics set (minus MB1).
Wednesday, September 30, 2020, 07:11: Pair of gradual vacuum spikes noticed. Up to 3.5e-06T & 2.6e-06T, then back down to 2.3e-06T.
Wednesday, September 30, 2020, 07:59: Auto-ramping TGHT / TBHT to 450 / 200 A @ 3 A per min.
Wednesday, September 30, 2020, 08:04: Abort auto-ramping. BIAS @ 10 kV. EZL Appears to have a short. EE up to -1.5 kV ok.
Wednesday, September 30, 2020, 08:11: BIAS back to 0 kV. Auto cooling @ 4A per min.
Wednesday, September 30, 2020, 09:21: Tap down TGHT to 0 from 40 A.
Wednesday, September 30, 2020, 09:22: Power/sources off.
Wednesday, September 30, 2020, 09:23: IG1 & Turbo pumps off.
Wednesday, September 30, 2020, 10:48: Venting.
Wednesday, September 30, 2020, 11:31: Wire found touching on EZL to chamber. Bypassed interlocks. EZL on. 200 V ok 500 V ok. Back to 0V.
Wednesday, September 30, 2020, 11:33: Bypasses removed.
Wednesday, September 30, 2020, 11:37: Roughing.
Wednesday, September 30, 2020, 12:22: Turbo pumps on.
Wednesday, September 30, 2020, 16:41: TGHT / TBHT to 10 / 10 A manually. BIAS / EE / EZL @ 1 / 0.1 / 1 kV. No shorts. Vacuum @ 2.60e-06T.
Wednesday, September 30, 2020, 16:47: HV & Heaters tapped back to 0 A & 0 kV.
Thursday, October 01, 2020, 05:27: Auto-ramping TGHT / TBHT to 150 / 75 A @ 3 A per min.
Thursday, October 01, 2020, 07:04: Auto-ramping TGHT / TBHT to 300 / 150 A @ 3 A per min.
Thursday, October 01, 2020, 07:29: Optics on. (MB1 Still interlocked but connected now)
Thursday, October 01, 2020, 07:38: BIAS / EE / EZL @ 30 / -1.5 / 13 kV
Thursday, October 01, 2020, 07:39: IV4 open.
Thursday, October 01, 2020, 07:55: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.
Thursday, October 01, 2020, 08:34: Voltage drops on BIAS. Auto ramping halted.
Thursday, October 01, 2020, 08:37: BIAS / EE / EZL @ 15 / -1.0 / 8.5 kV.
Thursday, October 01, 2020, 10:04: Auto-ramping TGHT / TBHT to 450 / 230 A @ 1 A per min.
Thursday, October 01, 2020, 11:13: Auto-ramping TGHT / TBHT to 580 / 230 A @ 1 A per min.
Thursday, October 01, 2020, 14:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. BIAS instability ongoing. although less than before. Initial RPM0A & RPM0B wire scans ok. MB1 Still interlocked.
Thursday, October 01, 2020, 14:42: BIAS current limit increased to 0.150 mA
Thursday, October 01, 2020, 16:24: BIAS / EE / EZL @ 20 / -1.5 / 6.5 kV.
Friday, October 02, 2020, 09:55: BIAS / EE / EZL @ 25 / -1.5 / 10 kV.
Friday, October 02, 2020, 10:43: Spark* Tripped Optics, IV4 & TP1A. Optics reset. Trouble on IV4 & TP1A
Friday, October 02, 2020, 10:58: IV4 reset. TP1A not back yet.
Friday, October 02, 2020, 11:22: TP1A reset and on.
Friday, October 02, 2020, 12:19: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.
Friday, October 02, 2020, 13:58: HV to 0 kV
Friday, October 02, 2020, 14:00: Auto-Cooling @ 1 A per min.
Tuesday, October 13, 2020, 08:07: Power / sources off. HS Waterlines purged.
Tuesday, October 13, 2020, 08:09: IG1 off. Turbo pumps off.
Tuesday, October 13, 2020, 10:31: Venting. |