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Message ID: 1003     Entry time: Monday, April 15, 2024, 14:35
Author: Aaron Schmidt 
Target/No.#:  
Source:  
Station:  
Module:  
Target Oven W.O#:  
Heat Shield W.O#:  
Status: Problems/Solutions 
Subject: TSH:EE Issues 

Monday, April 15, 2024, 14:33: On Friday it was noted that the EE was being troublesome. If we put -500 V on the EE the PS would deliver -1000 V. However it would slowly trickle downward. elog:1002.

Tom H. had a look at it this afternoon & determined the PS is operating, however the signal going to it is peculiar. Controls group as been notified as well. Awaiting further response.


Tuesday, April 16, 2024, 16:09: Full epics & PLC restart needed. All TP & RP shut down.

Tuesday, April 16, 2024, 17:45: Restart RP. TP1B on. TP6 & TP2 on.

Tuesday, April 16, 2024, 17:49: TP1A on.

Tuesday, April 16, 2024, 17:55: Restarted TP6.

Tuesday, April 16, 2024, 18:05: Long sigh* TP6 was in soft start mode. Controller put back to regular start. TP6 started.

Tuesday, April 16, 2024, 18:08: IG1 & IG6 on.


Wednesday, April 17, 2024, 10:25: IG, TP, & RP, off.

Wednesday, April 17, 2024, 13:03: RP on.

Wednesday, April 17, 2024, 13:14: TP1A on.

Wednesday, April 17, 2024, 13:07: TP6, TP2, & TP1B on.

Wednesday, April 17, 2024, 13:23: IG6 & IG1 on.

Wednesday, April 17, 2024, 13:25: EE to -500V. Read back on Epics -500V. PS direct @ -500V

Wednesday, April 17, 2024, 13:26: EE to -1500V. Read back on Epics -1500V. PS direct @ -1500V

Wednesday, April 17, 2024, 14:07: EE was brought back to 0V. ISAC TS closed up & ready for operation.

 

ELOG V2.9.2-2455