Interlock Defeat /
Device Disable
Management System
v1.5
(Driver)
Accelerator Complex:
Driver
RIB
TR13
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Implementation
Removal
Interlock Defeat
System(s) Affected:
Vacuum
Interlock to be Defeated:
Lower Alarm limit in EHDT:IM66
Implementation:
Number:
Date:
2017-04-13
Time:
09:30:00
2017-6
Implemented By:
Jason Wait
In Consultation With:
Status:
Active
Estimated Duration:
104 weeks
Reason for Defeat:
EHDT:IM66 is reading close to the lower alarm limit (1 e^-10 Torr) and is causing nuisance alarms
Number of Yellow Tags:
1
Location of Defeat Tag(s):
ELCR Defeat board
How Was Defeat Implemented?
Where is Defeat Located?:
EHDT:IM66 Higher limit is still in place - Keiko has turned off the alarm through the alarm handler code
Describe Alternate Protection:
Turned EHDT:IM66 off and confirmed high limit alarm was generated
Fault Reports:
Work Permits:
Disables:
Interlock Defeat
Removal:
Number:
Date:
2020-12-22
Time:
09:45:00
2017-6
Removed by:
Jason Wait
Status:
Active
Interlock Verification Method:
Number of Tags Removed:
0
Comments:
Jason Wait:
2020-11-19 00:41:07.076565
Paper defeat #073
Requested by Brandon H.
Implemented by Keiko E.
Approved by Brandon H. and Dimo Y.
Brandon Humphries:
2020-12-22 09:40:21.744651
Correction: vacuum gauge is EHDT:IMG6
Brandon Humphries
David Bandiera
Elena Bylinskaia
Jason Wait
Robert Scheepmaker
Eric Chapman
Ryan Lovelidge
Riley Schick-Martin
Dale Nagra
Travis Kurucz
Chris Sooley
Kevin Lucow
Jas Uppal
Kathleen Genge
Gauhar Hayat
Frank Hosta
Ryan Anderson
