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.

What is error code 10 on Rinnai r75lsi tankless water heater?

What is error code 10… What is error code 10 on Rinnai R75LSI tankless water heater? I checked the vent but nothing seems to be blocking it. It is less than two years old. Please help with water heater troubleshooting. Show More Show Less Ask Your Own Plumbing Question Share this conversation Answered in 14 minutes by: 6/3/2011

Is there a problem with my Rinnai tankless water heater?

Rinnai tankless water heater: Troubleshooting If you’ve encountered a problem with the hot water heater you’re using, you could potentially find the resolution without bringing in a technician. The following troubleshooting tips might help you understand what’s going on.

When does a Rinnai natural gas heater quit?

The tankless has been … read more I have a Rinnai RHFE-263FA Direct Vent Wall Furance installed in 2004. When the heater is turned on it fires but only lasts about 10 seconds and then quits. I get an error code #12, (flame failure).

Is there such a thing as a Rinnai space heater?

I have a Rinnai RHFE-263FA Direct Vent Wall Furance installed in 2004. When the heater is turned on it fires but only lasts about 10 seconds and then quits. I get an error code #12, (flame failure). I … read more I have a model 606A Rinnai space heater and the heater keeps shutting off with the error code 12. The filters are clean. … read more

How to troubleshoot a Rinnai tankless air unit?

 Turn off gas valve feeding the appliance.  Unplug igniter wire; hold the igniter wire with an insulated pair of pliers about a 1/4″ from a piece of metal.  Cycle the unit to ensure you see a spark when unit is cycling.