COMPASS HV switch off/on procedures
MWPC A chambers
21 September 2001
Angelo Maggiora
HV switch-off procedure for save interventions on MWPC A chambers:
Let know GEM team about turning off HV crate
Ramp HV down via Slow Control
Switch off CAEN SY527 at rack 168 (near SM2)
Remove key from mains switch
Put warning sign "Do not switch on" to HV PS with date, name, phone number (available in COMPASS control room)
Make entry to COMPASS logbook and inform shift crew
HV switch-on procedure for save interventions on MWPC A chambers:
Let know GEM team about turning on HV crate
Check that work is finished and equipment closed/covered/grounded correctly
Inform person who switched off (signed)
Make entry to Logbook and inform shift crew
Remove warning sign
Switch on mains on CAEN SY527 rack 168 (near SM2)
Ramp HV up via Slow Control
This page was last updated on September 12, 2001 by
Gerhard Mallot