Table of Contents
Advertisement
Chapter 11 Troubleshooting
Sources of "No Battery" alarm
The
alarm can come for the following reasons
No Battery
1. If applicable: Battery cable in front of UPS is not joined together. It has to be connected
regardless of UPS chassis replacement
2. Internal setting calibration error of the UPS. This requires a UPS Chassis replacement
3. Mechanical issue with battery pack (faston coming loose). Requires Battery pack
replacement
4. Battery has exceeded its recharge date and the string voltage is too low to recognize
the battery is connected
5. Battery has past its useful life but has not yet had a battery test to fail. It would show
in between battery testing algorithms
Battery
6. Incomplete or wrong EBM installation
7. The relevant circuit breaker has not been turned on
Single phase (1:1) UPS units
174
Three phase (3:1) UPS units
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
No
Advertisement
Table of Contents
