Error Code Cause Action - Noritz ecoTOUGH NRC98-DV Owner's Manual

Error Code
Service warning
Abnormal combustion,
low gas supply pressure
Abnormal combustion
* When the " " error code appears
Reset the display of the remote controller in the following way after the water heater is serviced.
When the "05" error code appears, reset the display only after the water heater is flushed and/or
the water treatment device is serviced.
If the error is reset without performing the necessary service, the water heater may fail prematurely.
How to reset the service warning:
1. Set the Power On/Off Button to the OFF position.
2. Push the Flow Meter Alarm Set Button more than 2 seconds.
3. Push the Flow Meter Alarm Set Button several times until "7 oF" is displayed.
4. Press Setting Button ▲ more than 5 seconds.
This will complete the service warning reset.
5. Push the Power On/Off Button.
6. The preset temperature is displayed.
Press setting button "▲" more than
5 seconds. At this time, a sound is
emitted from the remote controller.
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
Cause
The water heater is equipped with an automatic
service reminder. Contact the nearest Noritz agent.*
Have a professional check the gas supply pressure.
Contact the nearest Noritz agent.
Contact the nearest Noritz agent.
Push the Power On/Off Button.
Contact Noritz America if:
Action
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