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Message ID: 878     Entry time: Monday, March 30, 2015, 09:03
Author: Anders Mjos 
Category: Conditioning Station 
Type: Standard Operation 
Module: TM4 
Target/Number: Ta#45 
Subject: Ta#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.

Attachment 1: Ta#45_Conditioning.docx  808 kB  Uploaded Wednesday, April 01, 2015, 10:02
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