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[FIXED] Rinnai Error Code 11

Rinnai Error Code 11
Written by Tabassum Altaf

Rinnai is a company producing tankless water heaters. Though extremely convenient and useful, there are certain error codes Rinnai tankless water heater shows on its remote controller if a problem occurs. One of the error codes is error code 11.

Rinnai error code 11 can be easily fixed once you understand the issue. Therefore, we will be helping you by telling you the cause and how to fix the error code 11 on Rinnai tankless water heater.

What Causes Rinnai Error Code 11?

Rinnai Error Code 11

When you see the Rinnai error code 11 displaying on the heater’s remote controller, it indicates that there is no ignition. Now, there can be many reasons why your tankless heater has no ignition, thus, displaying error code 11. Those reasons are mentioned below:

  • It is insufficient or lacks gas coming to the Rinnai tankless water heater.
  • The igniter is not functioning correctly.

How Can I Fix Rinnai Error Code 11?

The next step to deal with the Rinnai error code 11 is to fix the reason behind it so that the error code 11 will stop displaying itself.

Here are 3 easy ways to make sure that your Rinnai tankless water heater is working properly and showing no error code 11.

  • Check the gas supply.

To make sure that enough gas is coming to your tankless water heater, check the gas supply. If it not fully turned on, gas flow is interrupted. So make sure it is fully turned on.

  • Check the ignitor

To make sure that the ignitor is working correctly, look for a spark after cycling the unit. If a spark does not happen, then there must be some loose or damaged parts in the heater system. Look for those parts and deal with them accordingly.

  • Contact a plumber

If Rinnai error code 11 persists after checking the gas supply and ignitor, then approach a plumber. He will deal with the underlying issue, if there is any.

Final Words

To conclude, error code 11 on the Rinnai water heater is an easy issue to deal with. Once you are aware of the cause and follow the instructions mentioned above, you will be free of the error code 11.

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About the author

Tabassum Altaf

Tabbasum is working as a tech writer at Techbide since she was graduated from university with a strong writing portfolio. Love to guide readers to fix computer troubleshoot problems, mobile app errors, and have a great portfolio in writing how-to guides. She quotes that it makes me happy when users quickly solve their PC, mobile, and other devices problems. In her free time, you might catch her watching BBC documentaries.