Issue:
My Smart UPS Modular Ultra is has an "AC tray mismatch" alarm
Product Line:
Smart UPS Modular Ultra
Environment:
All models, all serial numbers
Resolution:
In order to try and clear the alarm, please perform a complete system power cycle to the UPS.
Refer to the following FAQ for the proper steps depending on your system configuration - https://www.apc.com/us/en/faqs/FAQ000274118/
If the alarm is still there after a power cycle, please contact the CCC.
