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Noritz tankless water heater troubleshooting guide.
Noritz america tankless water heater technical support home troubleshooting faq product info technical literature.
If you are the owner of a smart tankless water heater from rinnai noritz paloma bosch takagi or similar this troubleshooting guide is for you.
To prevent scalding do not change the water temperature to a higher setting.
Press power button to turn unit off open a hot water faucet turn unit back on.
The guide deals with the most common problems and explains some of the error codes.
Be sure to do.
Look for any obstructions in the vents as the fresh air supply might be being blocked.
This water heater does not have a pilot.
Do not allow anyone to change the water temperature while hot water is being used.
Remove any foreign materials from the ignition rod.
Check for proper gas type lp vs natural gas pressure free flow through gas piping and valves clean flame rod no blockage in vent or vent connector clean ignition plug.
Ignition failure in your tankless water heater.
Noritz america tankless water heater technical support home troubleshooting faq product info technical literature.
If the error code no longer flashes the problem is solved.
Confirm there is no loose wiring in the ignition.
Turn off gas and water supply valve.