Fault Codes/Rehlko/TEMP SIG LOSS SHUTDWNRehlkoTEMP SIG LOSS SHUTDWNUnclassifiedCoolingWhat This Code MeansNo coolant temperature signalRelated Rehlko Fault CodesTOTAL POWER HIGH SHTDWNUNDERSPEED CONDITIONSYNCFAILUREVOLTS L1-L2 HIGHSPN 1239 FMI 31VOLTS L1-L2 LOWSPN 1239 FMI 11SPN 1239 FMI 2SPN 1239 FMI 0SPN 1231 FMI 11SPN 1231 FMI 5SPN 1212 FMI 31Browse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for TEMP SIG LOSS SHUTDWN on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about TEMP SIG LOSS SHUTDWNGET THE ANSWERFree account required — we'll bring your question with you.