ID |
Date |
Author |
Operational Mode |
Subject |
Text |
|
246
|
Wed Apr 16 16:51:16 2008 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
245
|
Wed Apr 16 15:15:44 2008 |
Doug Preddy | Start Up | refrigerator started | Turned on compressor last Tuesday. Ran purifier
until today. Final value 0.15ppm.
Started
cool down yesterday. Switched into parallel |
|
244
|
Wed Apr 16 15:12:01 2008 |
Doug Preddy | Normal Running | graphs to load | There are three strip tools saved:
coils
powerlead
startup |
|
243
|
Tue Apr 1 15:17:06 2008 |
Doug Preddy | Start Up | Starting up vacuum systems | Monday afternoon there was no control of the
vacuum system. The controls were working,
but no output to devices. The "output" breaker |
|
242
|
Mon Dec 3 14:59:58 2007 |
Doug Preddy | Quench Recovery | Not really a quench recovery, But... | Not really a quench recovery, but...I wanted
to send this out via e-mail.
The contactor for the compressor building |
|
241
|
Wed Nov 28 15:07:08 2007 |
Kevin Trithardt | Other | power lead regeneration | Power leads cold again, power supply ramping
up. |
|
240
|
Tue Nov 27 21:02:08 2007 |
Doug Preddy | Normal Running | power lead ripples | power leads were oscillating tonight. John
K. came down and cycled CV142.
(Thanks John!) Temps settling out. |
|
239
|
Mon Nov 26 09:45:43 2007 |
Doug Preddy | Normal Running | power lead problems | Power lead temperatures were rippling yesterday
afternoon. I asked one of
the operators to cycle CV142.
|
|
238
|
Fri Nov 23 08:41:45 2007 |
Doug Preddy | Normal Running | screen grab of powerlead temps | |
|
237
|
Fri Nov 23 08:35:37 2007 |
Doug Preddy | Normal Running | power lead problems | About 10 hours ago the power lead temperatures
started to fluctuate and
climb.
|
|
236
|
Mon Nov 19 04:30:47 2007 |
Doug Preddy | Quench Recovery | switched to series mode | |
|
235
|
Mon Nov 19 02:58:44 2007 |
Doug Preddy | Quench Recovery | Solenoid quenched on power lead over temperature | I received a page at 1:30 this morning. The
power lead temperatures were
climbing. Cycling CV142 did not fix the problem. |
|
234
|
Fri Nov 9 18:56:20 2007 |
Doug Preddy | Maintenance | System Ready to Run | M9BMP2 was replaced. Vacuum good. Solenoid
is ramped up. :) |
|
233
|
Fri Nov 9 16:24:33 2007 |
Doug Preddy | Maintenance | 2APLC Died | thumb wheel panel all lite up. 2APLC rebooted
by Klara (Thanks). M9BMP2 not
pumping properly. Edi is looking at it. |
|
232
|
Fri Nov 9 14:50:03 2007 |
Doug Preddy | Quench Recovery | Solenoid cold | Solenoid cold. Added two bottles of helium.
Allowing to stablize. Will
ramp power supply in half an hour. |
|
231
|
Fri Nov 9 07:37:44 2007 |
Doug Preddy | Quench Recovery | switched to series mode | switched to series mode. |
|
230
|
Thu Nov 8 09:28:53 2007 |
Doug Preddy | Quench Recovery | started compressor | And started flow to coldbox,solenoid in parallel
warm return.
|
|
229
|
Wed Oct 24 12:04:06 2007 |
Doug Preddy | Maintenance | power lead and cryopump regeneration | Regenerating M9B:CP2 as temperature was up
to almost 20k.
Shut off flow to power leads to allow them |
|
228
|
Tue Oct 9 13:16:44 2007 |
Doug Preddy | Quench Recovery | switched to series mode | |
|
227
|
Tue Oct 9 12:58:22 2007 |
Doug Preddy | Quench Recovery | Solenoid Quench 2 | Refrigeration sytem shut off at ~ 12:30 today.
No apparent reason. Only
light on was a cold box fault.
|
|