Please feel free to add stuff and/or remove
stale items. This file is
Also, don't forget to log any changes to at least the
EMC section of the
June 5, 2002: (Gary&Ivo) Electronics Calib for Crate 3 - no
constants loaded, only for diagnosing changes in source cal constants.
March 29, 2002: (Gary) Electronics Calib for Crate 0
March 26, 2002: (Gary) Pedestal Calib for Crate 0
February 26, 2002: Bhabha Calib
June 15, 2002: (Ingrid)
Replaced LV PS in BF06 (Noisy channels developed ... move when swapping LVPS to new slot).
June 13, 2002: (Ingrid)
8 LV PS spares put in BF00-BF07 for testing (12 hour MD). No problems found, so
they are left there. Old good ones now in spare cabinet.
May 22, 2002: (Ingrid)
LV PS (BF04) still had problems. Found that the new PS put in yesterday was also bad. Replaced with another (good!) spare.
May 21, 2002: (Ingrid)
LV PS (BF04) Swithced off ... power-cycled, now ok.
May 8, 2002 (Ingrid)
TRB FB2 and FB3 have been swapped for diagnostics for the
DAQ-crate3, slot0 problem.
April 26, 2002 (Jong)
LV PS - swapped BB06 and BB07 (diagnostics)
April 09, 2002: (Ingrid)
LV PS (BF04) Replacement
March 26, 2002: (Ingrid)
LV PS (BF09) Replacement
March 26, 2002: (Ingrid)
LV PS (BF01 and BF02) Swapped (for diagnostics... and left there)
March 26, 2002: (Ingrid/Gary/Jong)
Bias for Minicrate 01 in BF Q0 placed on channel 10
and B-diodes masked out
July 3, 2002: (Jong)
Temprature sensor cables from board 5, Quad2, which have been swapped in the early days, this
has now been corrected in software (Epics).
June 10, 2002: (Ingrid)
HVAC fixes the EC fluorinert chiller. Spare chiller has a bad leak. This
is being fixed too, by cleaning a seal.
June 8, 2002: (Jong)
EC fluorinert chiller stopped. Compressor-fan pump broken. Spare chiller
May 2, 2002 (David, Eric & Ingrid)
Replaced the RTD downstream of heater in water chiller supply.
May 2, 2002: (Jong)
Bias Voltage ramping under injection has been ready. We're not running with it yet.
April 12, 2002: (Gary) Switched to range change correction LUT as of run 27584.
April 9, 2002: (Ingrid)
EMC PIN diode offset adjusted so that EMC_TOTL reading went from 0.2 to 0.11.
March 26, 2002 (Gerard et. al.)
New water pump installed for water chiller.
March 22, 2002: (Jong)
Pedestals for leakage currents implemented. Bias/Background/OdcBackground
epics panels have been updated.
This file is $BFROOT/www/Detector/Calorimeter/Operations/pages/EMChistory.html
Page author: Jong Yi
Last Modified: Kitty Cats of SLAC
Last modified: Tue Jun 18 16:32:28 PDT 2002