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SGI Challenge L 12VDC Undervoltage
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SGI Challenge L 12VDC Undervoltage
I acquired an SGI Challenge L yesterday and a good amount of spare goodies with it. Unfortunately it wasn't totally working, the system LCD throws a "12VDC undervoltage" error and kills the main 48V power to the regulators. The two amber LEDs on both the 505 regulator and the 512 regulator are on but the red fault light isn't on for either of them. Unfortunately the 512 is one of the only spares I don't have, if that is indeed the issue. Any ideas what could be wrong? If you guys need pictures I'll post them when I get a chance.
Xav101
Challenge L

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09-13-2021, 12:27 AM
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SGI Challenge L 12VDC Undervoltage - by Xav101 - 09-13-2021, 12:27 AM
RE: SGI Challenge L 12VDC Undervoltage - by Xav101 - 09-13-2021, 03:32 AM
RE: SGI Challenge L 12VDC Undervoltage - by jan-jaap - 09-13-2021, 07:37 AM
RE: SGI Challenge L 12VDC Undervoltage - by Xav101 - 09-13-2021, 01:53 PM
RE: SGI Challenge L 12VDC Undervoltage - by jan-jaap - 09-13-2021, 02:13 PM

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