Fault Codes/Blue Star Power Systems/SCR FAULT CODESBlue Star Power SystemsSCR FAULT CODESUnclassifiedElectricalWhat This Code MeansSCR fault codes; Battery degradation; Low battery charge statePossible Causes•Contaminated DEF•Infrequent use cyclesSuggested Actions1Keep a DEF sample in the service kit for quality verification2Ensure DEF is ISO 22241-1 compliant3Verify DEF urea concentration is at 32.5%4Monitor DPF and SCR per John Deere T4F service schedule5Verify 12V battery charge state at each PM (Preventative Maintenance)Related Blue Star Power Systems Fault CodesRED LEDC1NOX FAULTMISFIRE CODESF41DERATE WARNINGDEF QUALITY ALERT40081UBrowse all Blue Star Power Systems fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for SCR FAULT CODES on your specific Blue Star Power Systems unit — cited to the OEM manual, not a forum guess.TRY IT FREE