Multiple node restarts occurred because of 2145 UPS-1U errors, which can be reported on any node type
This error means that the node made the transition into standby from normal mode because of power subsystem-related node errors too many times within a short period. Too many times are defined as three, and a short period is defined as 1 hour. This error alerts the user that something might be wrong with the power subsystem as it is clearly not normal for the node to repeatedly go in and out of standby.
If the actions of the tester or engineer are expected to cause many frequent transitions from normal to standby and back, then this error does not imply that there is any actual fault with the system.