I have the following error with the UPS which gives power to switches:
According to documentation (http://www.fusionps.com.au/ProductDocuments/106/Eaton_EX_2200-3000_Product_Manual.pdf
), when this error occurs:
LED (22) is ON,
the alphanumeric display indicates:
The reason is:
A UPS internal fault has occurred.
There are two possible situations:
the load is still supplied, but
directly with AC input power via
the load is no longer supplied.
Call the after-sales support
Switches and internet are working properly.