What does code 10 mean on a Rinnai water heater?

Air supply or exhaust blockage
Rinnai fault code 10 – Air supply or exhaust blockage. Check to see that nothing is blocking the flue inlet exhaust or fan. Check for restrictions in air flow around the unit and vent terminal. Make sure the heat exchanger is not clogged and that low water flow is not causing short cycling.

Where are Rinnai error codes?

If your water heater is connected to MC-91 or MCC-91, you can easily find the most recent error codes. Press and hold the ON/OFF button for two seconds and press the arrow “UP”, the last nine Rinnai error codes will appear and flash one after the other.

How do I fix my Rinnai Code 10?

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.

What does error code 05 on Rinnai Water Heater mean?

How to Fix: Turn off power supply to the unit and then turn back on. Open a hot water tap to fire up the unit. If error code “05” reappears, bypass valve will need replacing. What it Means: Circulation flow rate has dropped below 2.1 gpm.

Is the Rinnai rl75in a good water heater?

Enjoy an endless supply of hot water with this high efficiency non-condensing natural gas tankless water heater from Rinnai. Only the size of a small suitcase, the RL75iN is compact, easy-to-install, reliable and perfect for indoor locations.

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.

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.

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

What does error code 25 mean on Rinnai Water Heater?

If tank is correctly draining but error code 25 persists, replace the condensate tank and sensor. What it Means: Flammable vapors detected. How to Fix: IMPORTANT: Leave the area the water heater is installed in until safety personnel have identified the area as safe and all flammable vapors have been eliminated.

How does a Rinnai Direct vent furnace work?

Rinnai Direct Vent Furnaces use modulating technology to create energy-efficient warmth for the whole home. Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings.

How often should I Have my Rinnai Water Heater serviced?

There are two types of periodic maintenance that your service technician should perform to keep your Rinnai tankless water heater in top shape. It’s important to note, the time in between necessary maintenance will depend on the water quality in your home. 1. The in-line screen filter should be checked periodically for debris and cleaned. 2.