BATTERY FAULT Eaton — Replace Battery / Battery Fault
At a glance
- Severity
- WARNING
- Domain
- UPS_SYSTEM
- Reference standard
- IEC 62040-1 / EN 50600-2-2
What it means
The battery test fails or the string cannot hold the load: degraded VRLA blocks, high temperature or insufficient charging. Actual runtime is shorter than rated.
Probable causes
- Natural end of life of VRLA batteries (3-5 years at 20-25 C)
- Degraded block or element in the string
- High ambient temperature shortening life and capacity
- Charger float voltage out of calibration
- Sulfation after long periods without charge
Where to start
Start the automatic battery test from the panel and read the string voltage at rest and under load.
Full guided diagnosis in the app
The diagnostic tree for this fault has 5 guided steps with measurements, checks and resolutions. You'll find it in DataCIQ, one of the five IndexOS apps: free, works offline.
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The same fault on other brands
More Eaton codes
- ON BATTERY — On Battery / Utility Failure
- ON BYPASS — On Bypass / Inverter Fault
- OVERLOAD — Output Overload
- RECTIFIER FAULT — Rectifier / Charger Fault (DC Bus)
- TEMPERATURE HIGH — Internal Overtemperature