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Troubleshooting · NavienNavien NAA Series F5: Outdoor heat exchanger temperature sensor errorTroubleshooting code F5→ Troubleshooting · NavienNavien NAA Series F6: Outdoor heat exchanger outlet temperature sensor errorTroubleshooting code F6→ Troubleshooting · NavienNavien NAA Series F7: Compressor discharge temperature sensor errorTroubleshooting code F7→ Troubleshooting · NavienNavien NAA Series F8: Outdoor pressure sensor errorTroubleshooting code F8→ Troubleshooting · NavienNavien NAA Series F9: Inverter module heat sink temperature sensor errorTroubleshooting code F9→ Troubleshooting · NavienNavien NAA Series FA: Suction temperature sensor errorTroubleshooting code FA→ Troubleshooting · NavienNavien NAA Series FB: DC fan motor temperature sensor errorTroubleshooting code FB→ Troubleshooting · NavienNavien NAA Series FC: Economizer inlet temperature sensor errorTroubleshooting code FC→ Troubleshooting · NavienNavien NAA Series FD: Economizer outlet temperature sensor errorTroubleshooting code FD→ Troubleshooting · NavienNavien NAA Series FE: Module temperature sensor errorTroubleshooting code FE→ Troubleshooting · NavienNavien NAA Series FF: Indoor/outdoor communication or sensor errorTroubleshooting code FF→ Troubleshooting · NavienNavien NAE Series E201: Indoor return air sensor errorTroubleshooting code E201→