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Results for “NFB”
240+ results found.
Troubleshooting · NavienNavien NFB-175H E031Burner overheat
Troubleshooting · NavienNavien NFB-175H E782Abnormal operation: front/main panel communication
Troubleshooting · NavienNavien NFB-399C E352High water pressure
Troubleshooting · NavienNavien NFB-301C E046Abnormal operation: heat exchanger limit or thermistor
Troubleshooting · NavienNavien NFB-175H E788Incorrect gas type setting
Troubleshooting · NavienNavien NFB-399C E740Abnormal operation: outdoor temperature sensor
Troubleshooting · NavienNavien NFB-200H E205Heating supply temperature sensor
Troubleshooting · NavienNavien NFB-399C E016Heat exchanger overheat
Troubleshooting · NavienNavien NFB-399C E777Low water cutoff activated
Troubleshooting · NavienNavien NFB-200H E047Exhaust thermostat or thermistor open/short
Troubleshooting · NavienNavien NFB-301C E594Abnormal operation: EEPROM
Troubleshooting · NavienNavien NFB-175H E762Vent pipe not properly inserted