[dsg-hallb_svt] Coolant pressure

[Yuri Gotra]

Hello Brian,


Could somebody from your group fix it today while the hall is still in 
the restricted access? It is probably not the sensor but the wire 
connections on the box. The problem started when there was some work in 
the area, somebody might have bumped into it. If it is not fixable, 
could you please take care of replacing the sensor. With loss of the 
flow meters, pressure reading is needed to monitor the health of the 
cooling system. Thank you


On 11/6/21 12:10 AM, Brian Eng wrote:
> Well that's not promising.
>
> If the connections on the back of the unit seem secure I don't know 
> what else it could be other than a bad sensor.
>
> ------------------------------------------------------------------------
> *From:* Rafayel Paremuzyan <rafopar at jlab.org>
> *Sent:* Friday, November 5, 2021 11:58 PM
> *To:* Brian Eng <beng at jlab.org>; Yuri Gotra <gotra at jlab.org>
> *Subject:* Re: Coolant pressure
> Thanks Bryan,
>
> the local display is also bad.
>
> Rafo
>
>
> On 11/5/21 11:50 PM, Brian Eng wrote:
>> Since the pressure reading is bad on the cRIO as well it probably 
>> isn't the V450 or patch panel.
>>
>> If the reading on the local display is good then it is either the 
>> cable between them or the Y-splitter cable that is bad.
>>
>> ------------------------------------------------------------------------
>> *From:* Rafayel Paremuzyan <rafopar at jlab.org> <mailto:rafopar at jlab.org>
>> *Sent:* Friday, November 5, 2021 4:47 PM
>> *To:* Brian Eng <beng at jlab.org> <mailto:beng at jlab.org>; Yuri Gotra 
>> <gotra at jlab.org> <mailto:gotra at jlab.org>
>> *Subject:* Coolant pressure
>> Hello Brian,
>>
>> The coolant pressure of the svt chiller shows bogus numbers, see the 
>> picture below.
>> Could you please help us with this?
>>
>> Rafo
>>
>
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