Thanks to everyone who submitted advice. Unfortunately the issue continues
to interrupt acquisition. I was able to pull the aqs out and check the fan
rack. One fan had come loose from the solder joints but all were spinning
once that one was soldered back to the board. Voltage on an unused power outlet
inside the console read 205 V and the battery on the UPS is good so I'm not
sure it's power related. At least not the power coming in.
Checking the temp on the SGU's I have 38 C on one and 40 C on the other. However,
the aberrant signal that I showed earlier started to show up again right away
after powering on the aqs,
don't think this is heat related and I don't think it's related to the gradient
(although I do sometimes get GCU and GAB errors) because it started happening
right away. Immediately after running atmm to be specific. At the moment, I
can see those same signals coming through randomly even when the system has
been sitting at idle the entire night. It's like something is firing that shouldn't
be but I don't see any lights lighting up on the console. It's a little hard to
take a picture of because they come and go when idle, but they show up a lot
more during acquisition, although not consistently. Sometimes acquisition finishes
just fine.
If the strange signal starts to occur durring acquisition if usually locks
everything up and I have to manually kill the zg. Then I always get the "GCU
error: not enough time for on the fly calculation". I can still collect a
regular 1D proton spectrum and the signal looks pretty good,
SGU's, but I'm kind of at my wit’s end for what to do next. Anyone
have a spare AV III HD they're looking to donate? (only half joking)
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Received on Fri Jun 02 2023 - 13:20:28 MST