Fault Codes/Rehlko/TIMER ERROR NOTICERehlkoTIMER ERROR NOTICEUnclassifiedGeneralWhat This Code MeansSystem timer failedRelated Rehlko Fault CodesTOTAL POWER HIGH SHUTDWNVERIFY DATE TIME SETTINGREVERSE POWER SHUTDOWNREGCOMMLOSS SHUTDWNRDO--09RDO--07RDO--04RDO--02RDO--01P0300P1-10OVERVOLTAGE FAULTBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for TIMER ERROR NOTICE on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about TIMER ERROR NOTICEGET THE ANSWERFree account required — we'll bring your question with you.