Rinnai Hot Water Troubleshooting Guide

Rinnai Continuous Flow Hot Water Heater Troubleshooting Guide

If you have a Rinnai continuous flow hot water heater installed, and have opted for the optional water temperature controller to be included, then you will notice the self-diagnostic Rinnai error codes that appear should a fault occur with the system.

rinnai hot water system

If there is a problem with your Rinnai tankless hot water heater, the unit will diagnose the issue and a fault code will flash on the digital, or status, monitor of the hot water temperature controller.

This Rinnai error code easily allows you to know exactly where the fault lies that is causing you to experience no hot water, or for your hot water heater to not operate at all.

In some cases, depending on the Rinnai fault code that appears, the property owner can attempt to troubleshoot the issue themselves prior to calling in a qualified technician.

Rinnai hot water error codes – what do they mean?

At Jim’s Plumbing we’ve compiled a list of the Rinnai hot water error codes and what faults they signify. Should any of the below Rinnai fault codes be flashing on the digital monitor of your continuous flow hot water heater click for further troubleshooting information.

Rinnai hot water error codes:

Can I troubleshoot my Rinnai hot water heater if no temperature controllers are installed?

Yes, there are certain steps you can take to attempt to rectify a problem with your Rinnai hot water heater even if you don’t have a hot water temperature controller installed displaying the Rinnai error code.

Please see our Rinnai troubleshooting guide in relation to no hot water or your hot water unit not operating when no error codes are present.

Which Rinnai hot water heaters do these error codes appear on?

These Rinnai error codes will appear on any of the below Rinnai continuous flow hot water heaters that have the optional temperature controllers installed;

  • Infinity 16
  • Infinity 20
  • Infinity 26
  • Infinity 26 Touch
  • Infinity 26i (internal)
  • Infinity 32
  • Infinity Enviro 26
  • Infinity Enviro 32
Who do I call if I can’t resolve a Rinnai hot water error code myself?

If the fault within your Rinnai hot water heater requires a service technician to resolve call in your local plumber from Jim’s Plumbing.

We have a team of plumbers situated across all metropolitan areas of Adelaide, Melbourne, Perth, Sydney, Brisbane and Canberra who are available 24 hours a day, 7 days a week.

No hot water on a public holiday?

No problem!

Call us on 1300 133 509 any day of the year.

Our plumbers are available every public holiday and weekend, 365 days, with a same day service. In a gas or plumbing emergency we can have a fully qualified plumber pulling into your driveway within an hour* of your call.

Jim’s Plumbing are your Rinnai hot water heater experts able to supply, install, replace or repair.

With interest free payment terms* available and an affordable and stress-free service every time.

Call today, or book your plumber from Jim’s online for a prompt resolve on your Rinnai hot water heater error code.

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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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Simply book a plumber online now, or phone 1300 133 509 to book now.

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No Interest Ever!* Payment Plan offered through Certegy Ezi-Pay Express. No Interest Ever on your hot water heater replacement or new supply and installation, gas service, water service or drain replacement. Conditions apply.

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