This walk-through video will demonstrate how to access the error code history on the Noritz residential remote controller. Text directions:...

EC11 or Error Code 11 An 11 error code is an ignition failure. In other words, the unit recognizes there...

EC 12, or Error Code 12 An error code 12 indicates a flame loss. This means that the unit is...

EC16 or Error Code 16 The 16 error code occurs when the outlet water temperature spikes to an abnormally high...

EC29 or Error Code 29 An error code 29 indicates a problem draining the condensate1 from the unit. This code...

EC67 or Error Code 67 An error code 67 is an AGM Abnormality. The AGM (Air Gas Mixer) is the...

EC71 or Error Code 71 The error code 71 is a “Gas Valve Abnormality. It’s a problem with the circuit...

EC73 or Error Code 73 The 73 error code indicates a circuit board setting issue. It is triggered by the...

EC90 or Error Code 90 A 90 error code indicates a combustion abnormality. This means that the mixture of fuel...

EC91 or Error Code 91 An error code 91 means incorrect gas type. For new installs: Verify the unit is...

EC92 or Error Code 92 An error code 92 relates to neutralizer1 life cycle and is the first warning that...

EC93 or Error Code 93 An error code 93 relates to neutralizer1 life cycle and indicates it has reached the...

EC14 or Error Code 14 An error code 14 indicates a significant overheat of the heat exchanger has occurred and...

EC45 or Error Code 45 An Error Code 45 is specific to our NRCP and CB models. It indicates an...

EC760 or Error Code 760 An error code 760 is a remote controller transmission abnormality. In other words there is...

EC903 or Error Code 903 An error code 903 indicates a combustion abnormality, similar to an Error Code 90 but...

EC94 or Error Code 94 (EC941 or EC942 on display window units) An error code 94 means the exhaust temperature...

EC20 or Error Code 20 The error code 20 means the High Limit Switch has been triggered. This error code...

An error code 13 indicates a malfunction with the optional CO alarm device. Please follow these troubleshooting steps after ensuring...

An error code 30 indicates a Thermistor – Air abnormality. Please verify that the Thermistor – Air is securely connected...

An error code 31 indicates a Thermistor – Cold Water abnormality. Please verify that the Thermistor – Cold Water is...

An error code 32 indicates a Thermistor – Hot Water abnormality. Please verify that the Thermistor – Hot Water is...

An error code 33 indicates a Thermistor – Heat Exchanger Outlet abnormality. Please verify that the Thermistor – Heat Exchanger...

An error code 35 indicates a Thermistor – Exhaust abnormality. Please verify that the Thermistor – Exhaust is securely connected...

An error code 42 indicates a Water Flow Sensor (Recirculation) abnormality. This error is triggered when the system cannot maintain...

An error code 61 indicates a Fan Motor abnormality. Please verify that the Fan Motor connected to the Wire Harness,...

An error code 63 is recirculation abnormality. Please verify that the recirculation pump connected to the Wire Harness, and that...

An error code 65 indicates a Main Water Servo abnormality. Please verify that the Main Water Servo is securely connected...

An error code 66 indicates a Bypass Water Servo abnormality. Please verify that the Bypass Water Servo is securely connected...

An error code 70 indicates a Circuit Board Abnormality. Disconnect the electrical power, then reconnect electrical power to the Unit...