Noritz Tankless Water Heater Troubleshooting Guide

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.

Noritz tankless water heater troubleshooting guide.

Noritz america tankless water heater technical support home troubleshooting faq product info technical literature. To prevent scalding do not change the water temperature to a higher setting. Remove any foreign materials from the ignition rod. The guide deals with the most common problems and explains some of the error codes.

Do not allow anyone to change the water temperature while hot water is being used. If the error code no longer flashes the problem is solved. Look for any obstructions in the vents as the fresh air supply might be being blocked. 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.

Press power button to turn unit off open a hot water faucet turn unit back on. Call the nearest noritz agent. Turn off the power to the water heater. Noritz america tankless water heater technical support home troubleshooting faq product info technical literature.

Ignition failure in your tankless water heater. Tankless water heaters are durable and long lasting units that do not require much maintenance. Turn off gas and water supply valve. Check the gas pressure for correct values.