Re: tofp HV error

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From: Frank Geurts (geurts_at_rice.edu)
Date: Thu Mar 27 2003 - 13:28:52 EST

Yigun,
  the red-alert in SC should have dissapeared now. The slowcontrols
event files for TOFp are filled again (with 0s, since the actuall supply
remains to be shutdown)

cheers,
frank

Yiqun Wang wrote:
> Got it! We have been keeping an eye on TOFr. Once in a while, one of the
> Iread value gets out of range, the voltage automatically reramp itself. I
> am told that is normal.
>
> Yiqun Wang
>
> On Thu, 27 Mar 2003, W.J. Llope wrote:
>
>
>>TOFp HV is not on. in fact that's why the light is red.
>>SC is trying to communicate with a unit that is physically
>>powered off.
>>just ignore this red box until further notice...
>>
>>SC alerts for TOFr HV and/or Gas flow should *not* be ignored...
>>
>>thanks for the message,
>> bill
>>
>>
>>
>>At 10:05 AM -0600 3/27/03, Yiqun Wang wrote:
>>
>>>Hi,
>>>
>>>I am the detector operator for shift 7:30-4:30PM. I see that there is red
>>>error on SC for tofp HV. Opening the corresponding window shows 4 channals
>>>with HV values that are far out of normal set value range.
>>>
>>>We just ramped up the STAR magnet. There are some beams in the ring. FEEs
>>>for all other detectors are off. Jamie Donlup, the shift leader, wonders
>>>why the topf HV is on.
>>>
>>>Yiqun Wang
>>>
>>>--
>>>-------------------------------------------------------------------------
>>>| Brookhaven National Lab Yiqun Wang |
>>>| Building 902C, Room M6 Department of Physics |
>>>| Upton, NY 11973-5000 University of Texas at Austin |
>>>| Home: (631)395-5474 Austin, TX 78712 |
>>>| Office: (631)344-5268 yqwang_at_physics.utexas.edu |
>>>| (631)344-5746 |
>>>-------------------------------------------------------------------------
>>
>>
>>
>

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