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Old 05-20-2022, 01:10 PM   #37
Per Hansson
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Default Re: Cyberpower CP900EPFCLCD - F03 Error

Yes, just plug it in now, the lamp is allowed to flash once bright as the caps charge.
After that it should be quite dim.
If it is bright then it is expected something is still shorted.
"The one who says it cannot be done should never interrupt the one who is doing it."
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