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Keith LewisAug 11, 2025
Why my CyberPower OP850 will not turn on?
- Aantonio81Aug 11, 2025
If your CyberPower UPS doesn't turn on, first ensure it's connected to a functioning 110/120v 60Hz outlet. The on/off switch is designed to prevent damage from rapid cycling, so turn the UPS off, wait 10 seconds, and then turn it back on.