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Bug #3424

open

Mains water supply interruption

Added by Garrett Curley about 5 years ago. Updated about 5 years ago.

Status:
Resolved
Priority:
High
Assignee:
Garrett Curley
Start date:
26/09/2019
Due date:
% Done:

100%

Estimated time:
revision:
r0

Description

The mains water supply was interrupted during the morning (6 am ish).
Primary pump overheated, so shut down.
Rise in backing pressure caused turbo pump driver overload and shut down.
Chamber rose to atm pressure.
Both Baratrons out of range.
10:00am: Primary pump started. OK
1 Torr Baratron OK.
0.1 Torr Baratron could have issue. Switched off just in case.
10:10am; Turbo pump restart attempted. NOT OK. TMS low temp error.

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