Fault Codes/STAMFORD | AvK/OVEREXCITATION SHUTDOWNSTAMFORD | AvKOVEREXCITATION SHUTDOWNUnclassifiedGeneralWhat This Code MeansAlarm indicator changes from black to redPossible Causes•DM110 protection function detects an alarm conditionRelated STAMFORD | AvK Fault CodesOVEREXCITATION SHUTDOWN LEDUNDEREXCITATION LIMITINGOVEREXCITATION LIMITINGUNDERFREQUENCYLOSS OF GENERATOR SENSINGGENERATOR OVERVOLTAGELOSS OF GENERATOR SENSING LEDBrowse all STAMFORD | AvK fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for OVEREXCITATION SHUTDOWN on your specific STAMFORD | AvK unit — cited to the OEM manual, not a forum guess.TRY IT FREE