[Dsg-ft] Interlocks status

Marco Battaglieri battaglieri at ge.infn.it
Wed Nov 29 09:17:20 EST 2017


Dear Amanda,
the chiller is again behaving out of control (increasing the temperature).
Are you doing anything on the system?
we are also having a huge noise on INTLK TEMP2  sensor that sopped for a 
brief while before to start again.
Any guess?
Can we pass by to your office late this mourning  to discuss together 
what could be the caus of the problem?
Thanks in advance
Marco



Raffaella De Vita wrote:
> Hi Amanda,
> yesterday afternoon, after we talked, I reset the chiller to the 
> factory settings to see if that could help in getting the device to 
> the setpoint temperature but it did not make a difference. However, 
> this morning around 7:30 am, the chiller started to behave normally 
> again and the temperature is now approaching the set point. We are 
> trying to figure out what may have changed at the time since it looks 
> like this sudden change was determined by some external factor. Was 
> there anything done to the interlocks at that time?
> Regards,
>     Raffaella
>
> Amanda Hoebel wrote:
>> Hi Raffaella,
>>
>> The condensation sensor has been added into the interlocks in EPICS. 
>> We will look at the chiller and digital module to see if we can 
>> figure out why the temperature was not going to 6C.
>>
>> Regards,
>> Amanda
>> _______________________________________________
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>
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