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srichmondAug 20, 2025
Why is my Eaton 3S850D UPS operating on battery when AC power is available?
- DDaniel AdamsAug 20, 2025
Your Eaton UPS might be operating on battery power because the circuit breaker located under the UPS has been tripped due to an overload. To resolve this, disconnect some equipment to reduce the load and then reset the circuit breaker by pressing the button.