Is there an error code on the Rinnai Water Heater?

The heat is just off. Then about 30 seconds to a minute later, the Rinnai water heater will fire up and start producing hot water again. There are no error codes. The display consistently and always displays “120”.

When was the Rinnai tankless hot water installed?

It was installed in my house back in 2009. It has been working flawlessly up until about 2 weeks ago. Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot. This cycling happens randomly and for various amounts of time.

What to do if your tankless water heater has no hot water?

No hot water is one of the most common tankless water heater problems. The first things you should check are the electric power, water, and gas supply to the water heater. Check the shut-off valves, as they might be in the closed position.

What causes an error code on a tankless water heater?

Most tankless water heaters are equipped with a diagnostic system that incorporate the microprocessor and LCD screen, which displays an error code if the problem occurs. An error code can appear due to many reasons, from a simple spider web and air/exhaust blockage to more serious gas or exhaust leak.

Is the Rinnai tankless water heater still working?

I have a Rinnai tankless RC80HPi water heater. It was installed in my house back in 2009. It has been working flawlessly up until about 2 weeks ago. Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot.

What is error code 11 on Rinnai Water Heater?

Error Code 11 is one of the most common types of errors shown in any Rinnai Tankless Water Heater because of no ignition. In such a case it is always special to contact a professional to know about the error. However, you can follow the few steps mentioned below.

What does error code 63 mean on Rinnai?

Error Code 63 What it Means: Circulation flow rate dropped below 1.3 gpm. How to Fix: Use temperature controller to display flow rate (hold UP for 3 seconds and press the ON/OFF button).

What kind of warranty does a Rinnai boiler have?

A single cookie will be used in your browser to remember your preference not to be tracked. Select a region. Commercial-grade units with the industry’s best warranty. Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes.

What’s the Rinnai code for the heat exchanger?

To fix this error code, you need to flush the heat exchanger. If this does not work, you may need to replace the heat exchanger. Rinnai error code 00 will usually be replaced by LC code, followed by a number between 0 to 9 in the maintenance code history.

What kind of gas does a Rinnai boiler use?

Rinnai Condensing Wall Mounted Boilers Heat only and Rinnai Combi Heat with Domestic Hot Water. Powered by either Natural Gas or Propane Gas. • 60000 BTU • Please Call 802-583-5500 for Pricing • Discount for Local Vermont Pick-up

Why is there an error code on my Rinnai Water Heater?

If your Rinnai displays an error code 05, you need to restart the water heater and open the hot water faucet. This code is not observed on all Rinnai water heaters. Measuring the resistance of the bypass flow control can help in determining the problem. If the error code persists, you may need to replace the bypass servo.

Is there a charge for a Rinnai tankless water heater?

This means that at no cost to you, we may receive a small commission for made purchases. 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.

The Daily Insight

Is there an error code on the Rinnai Water Heater?