TroubleshootingEvent and alert messagesThinkServer serversFQXTS592641On this pageFQXTS592641 : Power Unit Redundancy has been LostPower Unit Redundancy has been LostSeverityCriticalServiceable with logYesAutomatically Notify SupportNoUser ActionComplete the following steps to resolve this issue: Make sure that a power supply is not missing or unplugged.Check the power supply LEDs.Replace the affected power supply.Give documentation feedback