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Q : What causes the UPS to frequently trigger charging and discharging alarms?
A: 1. Abnormal AC power input, with AC power disturbances present.
2. DC bus voltage fluctuations: Check if the bus voltage sampling is normal; it could also be due to load backflow, circulating current, etc.
3. Battery issue, with abnormal voltage or internal resistance in a single battery.
2. DC bus voltage fluctuations: Check if the bus voltage sampling is normal; it could also be due to load backflow, circulating current, etc.
3. Battery issue, with abnormal voltage or internal resistance in a single battery.
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