Fault Codes/Gillette Generators/FLASHING RED AND GREEN LIGHTSGillette GeneratorsFLASHING RED AND GREEN LIGHTSUnclassifiedElectricalWhat This Code MeansBattery will not be charged; Bank will not operatePossible Causes•Battery voltage is above 18 volts•Damaged temperature sensor on the output cord•Battery voltage does not rise above 10.5V after 3 hours•Charging in Bulk Mode exceeds 20 hours•Battery may be damagedRelated Gillette Generators Fault CodesFLASHING RED LIGHTNFPA 110 ALARMSFLASHING RED AND GREENOVER & UNDER VOLTAGEFLASHING REDRED LIGHTEBATTERY FAULT ALARMBATTERY FAULT1HBVBrowse all Gillette Generators fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for FLASHING RED AND GREEN LIGHTS on your specific Gillette Generators unit — cited to the OEM manual, not a forum guess.TRY IT FREE