What to do if Siemens UPS reports a defective battery?
- Jjason98Aug 29, 2025
If your Siemens UPS indicates a defective battery, check the fuse and the battery voltages.

What to do if Siemens UPS reports a defective battery?
If your Siemens UPS indicates a defective battery, check the fuse and the battery voltages.
What to do if Siemens DC UPS parameters corrupt?
If the Siemens DC UPS parameters are corrupt, attempt to update the software.
What does deep discharge battery mean on Siemens UPS?
The Siemens UPS battery is deep discharged, and buffering is not possible.
How to fix Siemens UPS device temperature too high?
If the Siemens UPS reports a critically high device temperature, ensure adequate cooling or disconnect unnecessary loads to reduce the heat.
What does wrong device ID mean when updating Siemens UPS software?
An attempt was made to update the software on your Siemens DC PS with an update file that is not suitable for the device.
What to do if Siemens UPS battery is deep discharged and charging is not possible?
The Siemens UPS battery is deep discharged, therefore replace the battery.
What does wrong parameter mean on Siemens UPS?
The parameter value lies outside the valid range on your Siemens UPS.
What does wrong checksum mean on Siemens UPS?
Communication disrupted with your Siemens UPS.
Why is command not accepted by Siemens UPS?
An incorrect command was sent to the Siemens DC UPS.
What does unknown battery mean on Siemens UPS?
The battery is either defective or not supported by Siemens.
| Output Current | 40 A |
|---|---|
| Output Power | 960 W |
| Protection Class | IP20 |
| Output Voltage | 24 V DC |
| Operating Temperature | 0°C to +40°C |
| Interfaces | USB |
| Efficiency | >94% (typical) |
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