Rinnai Furnace – Error Code 3

Rinnai Error Code 3: The Rinnai Furnace’s Error Code 3 means that there was a power interruption while filling the bath with hot water. To fix this issue, you need to turn off all the hot water faucets in your house. After that, you should press the On/Off button on the furnace twice. This will reset the system and hopefully resolve the error. It is important to follow these steps in order to ensure that the furnace functions properly and provides hot water for your bath.

Rinnai Furnace – Error Code 3

Is your Rinnai furnace showing up with Error Code 3 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code 3 and whether you should keep using your Rinnai furnace.

What is a Rinnai Error Code 3?

The Rinnai Furnace’s Error Code 3 means that there was a power interruption while filling the bath with hot water. To fix this issue, you need to turn off all the hot water faucets in your house. After that, you should press the On/Off button on the furnace twice. This will reset the system and hopefully resolve the error. It is important to follow these steps in order to ensure that the furnace functions properly and provides hot water for your bath.

Recommended solution/fix steps

If you encounter Error Code 3 on your Rinnai Furnace, which indicates a power interruption during bath fill, follow these steps to resolve the issue. First, turn off all hot water faucets to ensure there is no water flow. Then, press the On/Off button on your furnace twice. This action will reset the system and clear the error code. Afterward, you can turn on the hot water faucets again and check if the error has been resolved. If the problem persists, it is recommended to contact Rinnai customer support or a professional technician for further assistance.

Related Fault Codes

Fault codes that are often associated with or mistaken for error code 3 are: 03, 30, 33, 35, 38, 36, 13, 3l, 3a, 3B

Can I still use my Rinnai furnace?

After encountering Error Code 3 on the Rinnai Furnace, the machine can still be operated. This error indicates a power interruption during bath fill. To resolve the issue, the user should turn off all hot water faucets and press the On/Off button twice. Following these steps should reset the system and allow the machine to function properly again. It is important to follow the instructions provided by the manufacturer to ensure the safe and efficient operation of the Rinnai Furnace.

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