Rinnai Hot Water Fault or Error Code 3

Rinnai Continuous Flow Hot Water Heater Fault or Error Code 3 Troubleshooting Guide

rinnai hot water system

If you experience a Rinnai hot water fault code 3 on your Rinnai continuous flow hot water heater on any of the following models:

  • Infinity 16
  • Infinity 20
  • Infinity 26
  • Infinity 26i
  • Infinity 26 Touch
  • Infinity 32
  • Enviro 26
  • Enviro 32

You may easily be able to fix the issue yourself without the need of a service call by following the steps below:

What does the Rinnai hot water error code 3 indicate?

The Rinnai hot water error code 3 indicates a fault caused by a power interruption during an automatic bath fil. The error code 3 will only be present if you are operating your Rinnai continuous flow hot water heater with a wired or wireless temperature controller that provides the bath fill capability.

If a power interruption occurs during the automatic bath fill the water will not continue to flow upon the power being reinstated and the Rinnai fault code 3 will begin to flash on the digital status monitor on either your unit or water controller.

How to clear the Rinnai error code 3

You should be able to clear the Rinnai fault code 3 by turning all of your hot water taps to the off position and then pressing the on/off button on your hot water system to off and then turn it back on again. The code 3 fault code should now be removed and you should be able to continue running your bath once more.

Should the Rinnai fault code 3 appear again after following the above steps this may indicate a problem with your property’s power supply and it could be worth calling in a qualified electrician to have this looked into.

If you experience any other issues with your Rinnai Infinity continuous flow hot water heater then call the highly skilled Rinnai hot water experts from Jim’s Plumbing.

We have a fully qualified and licensed plumber local to your area covering all metropolitan suburbs of Adelaide, Melbourne, Perth, Brisbane, Sydney and Canberra 24 hours a day, 7 days a week, including all public holidays.

When you call Jim’s Plumbing you will receive a same day service, offering normal rates until 7.30pm on weekdays. We can even have a local plumber to your location within an hour* of your call in a plumbing emergency, no matter the time of the day or night.

Our friendly and reliable plumbers come to you in a fully stocked van and are proficient in rectifying all Rinnai continuous flow hot water error codes. Providing a prompt service, with customer satisfaction guaranteed.

We know how important having hot water is – when you call Jim’s Plumbing you’re guaranteed to not be without hot water for long.

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No Interest Ever!* payment plan options available on hot water heater replacements to help ease any financial stress this burden may cause. If your rinnai hot water heater is leaking, or you have no hot water, we can often have a plumber to you within the hour*.

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