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Douglas BurnettSep 9, 2025
What does it mean if the “O P PFF” display is lit on my VOLTCRAFT HPS-11530, and how to fix it?
- TTiffany DyerSep 10, 2025
If the “O P PFF” display is lit, it means the DC output was switched off through the remote control output. To switch it on again, release the connection between contacts 4 and 5.