How do I fix code 10 on a Rinnai tankless water heater?

A Rinnai fault code 10 is an indication of either an issue with the air intake or a blocked flue. Your first step should always be turning your system on and off to see if the Rinnai fault code 10 has disappeared. If it hasn’t, check the vent system for blockages and other issues that could prevent airflow.

Why does my Rinnai Water Heater say Diagnostic Code 10?

Turn the power ON by pressing the ON/OFF button again. Rinnai tankless water heaters can show error code 10 for various reasons. As you can see from the above text, troubleshooting diagnostic code 10 in some instances is not complicated and doesn’t require you to call a plumber.

How to troubleshoot a Rinnai tankless water heater?

Troubleshooting your Rinnai tankless water heater is often a matter of reading the error code the unit provides when a hot water issue comes up and performing basic troubleshooting steps for that error code. Need to Hire a Plumber? Get a free estimate online from top local home service pros in your area.

What to do if your water heater has an error code?

How to Fix: Assuming gas type and pressure are correct and there is no air in the gas line or other problem with the gas supply, confirm that: there are no loose connections at the PC board, power supply or flame rod, gas solenoid valve doesn’t have a short circuit, there is no obstruction in the venting system and gases are correctly venting out.

Why do I get code 10 on my Sensei water heater?

The air pressure sensor measures the airflow. This applies to all tankless water heaters from this manufacturer. Models coming from the Sensei series, which includes RUR and RU models, would also display an error code 10 if the condensate trap is full. There are several reasons why the code 10 occurs:

What is the Rinnai fault code for a tankless water heater?

Definitions of Rinnai Tankless Water Heater Codes Rinnai fault code 02 – No burner operation during freeze protection mode. Rinnai fault code 10 – Air supply or exhaust blockage. Rinnai fault code 11 – No ignition. Rinnai fault code 16 – Over temperature warning. Rinnai fault code 32 – Outgoing water temperature sensor fault.

What does a Rinnai error code 10 mean?

Rinnai error code 10 indicates that the air supply or exhaust system is blocked or has some restrictions to disrupt normal airflow or flue gas extraction. The air pressure sensor measures the airflow. This applies to all tankless water heaters from this manufacturer.

How to troubleshoot tankless water heater error codes?

Definitions of Rheem tankless water heater error codes Rheem fault code 00 – Indicates 1-hour continuous combustion. To correct this code, close all hot water taps to reset the unit. Rheem fault code 05 – Indicates imperfect combustion. To remedy the problem, clean the air inlet filter, air fan and exchanger fins.

Can a service technician work on a Rinnai Water Heater?

Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters.