Interlock Defeat

System(s) Affected:
Ion sources and injection BL

Interlock to be Defeated:
EGUN RF interlock

Implementation:	Number:
Date: 2025-01-07 Time: 10:25:00	2025-10
Implemented By: Brandon Humphries
In Consultation With:

Status: Removed

Estimated Duration:
1 days

Reason for Defeat:
To allow for testing of the EGUN RF amplifier using a dummy load.

Number of Yellow Tags:
2

Location of Defeat Tag(s):
1- On ERSS console.

1- On cork board in back of DCR.

How Was Defeat Implemented?
Where is Defeat Located?:
EGUN:INTRF interlock is bypassed through EPICS.

Describe Alternate Protection:
E-Hall is open (preventing BIAS HV turning on). EGUN RF cable is disconnected and plugged into a dummy load. Confirmed that EGUN BIAS can't be turned on and that RF power can't go to the EGUN.

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 2025-01-08 Time: 09:07:00	2025-10
Removed by: Brandon Humphries

Status: Removed

Interlock Verification Method:
EPICS indicates that interlock bypass of EGUN:INTRF has been removed.

Number of Tags Removed:
2

Comments: