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Wesley PerrySep 13, 2025
What to do if Emerson UPS shows 'DC Bus Discharge Fail'?
- AAndrea SanchezSep 13, 2025
If your Emerson UPS displays a 'DC Bus Discharge Fail' message, it indicates a DC-DC failure. Contact customer service.
What to do if Emerson UPS shows 'DC Bus Discharge Fail'?
If your Emerson UPS displays a 'DC Bus Discharge Fail' message, it indicates a DC-DC failure. Contact customer service.
| Input Voltage | 208 V |
|---|---|
| Output Voltage | 208 V |
| Emergency Power Off (EPO) | Yes |
| Input Frequency | 50/60 Hz |
| Transfer Time | 0 ms |
| Capacity | 5000 VA |
| Output Power Capacity | 5000 W |
| Battery Type | Sealed Lead Acid |
| Input Voltage Range | 160 - 276 V |
| Topology | Online Double Conversion |
| Communication Ports | USB |
| Output Frequency | 50/60 Hz |
| Operating Temperature | 0 to 40°C |
| Humidity | 0 to 95% non-condensing |











