Fault Codes/Rehlko/MAINPWROVERL SHUTDOWN SDRehlkoMAINPWROVERL SHUTDOWN SDUnclassifiedGeneralWhat This Code MeansExercise Not ScheduledPossible Causes•No exercise has been scheduled on the RDC2 controller.Suggested Actions1See Section 2.5 for instructions to set the exerciser.Related Rehlko Fault CodesNOT IN AUTO WOVERCRANK SAFETYMAINPWROVERL SHUTDOWNOVERFREQUENCYMAINPWROVERL SDOVERSPEEDMAINPWROVERLOVERVOLTAGELWTOVERVOLTAGE FAULTLOWBATTERYVOLTSP1-10Browse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for MAINPWROVERL SHUTDOWN SD on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about MAINPWROVERL SHUTDOWN SDGET THE ANSWERFree account required — we'll bring your question with you.