Fault Codes/Rehlko/LOWRehlkoLOWUnclassifiedGeneralWhat This Code MeansFault shutdown after approximately 5 second delayPossible Causes•Low oil pressure•High engine temperature•Low water levelSuggested Actions1Test relays and circuit board for functionRelated Rehlko Fault CodesLOW BATTERY VOLTSLOWBATT.LOST COMMUNICATIONLOWBATTERYVOLTSLOCKED ROTOR SDLWLLOCLWTLO CRANK VLT WMAINPWROVER L SHUTDOWNLOMAINPWROVERLBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for LOW on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about LOWGET THE ANSWERFree account required — we'll bring your question with you.