This happened after a major repair that included HV power supply board replacement, a couple fan replacement. Thank you.
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This happened after a major repair that included HV power supply board replacement, a couple fan replacement. Thank you.
Hi zhenfazhang ,
When did you last perform an initial tune or system tune on both the Quad and TOF?
Are you seeing the same thing in positive and negative polarity?
It should not cause this issue, but please also verify that the nitrogen 99.999% cylinder is not empty.