TroubleshootingEvent and alert messagesThinkServer serversFQXTS527105On this pageFQXTS527105 : Power Supply Redundancy has been LostPower Supply 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