Rinnai Hot Water Fault or Error Code 19

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Rinnai Continuous Flow Hot Water Heater Fault or Error Code 19 Troubleshooting Guide

If you turn on your hot water tap only to find that your hot water is not heating up then the issue will need to be investigated and usually a hot water heater repair will be required.

rinnai hot water system

This can be a stressful time just trying to figure out what is wrong with the hot water system and worrying about how much it is going to cost to repair.

Thankfully the team from Rinnai have taken some of this stress away with the clever self-diagnostic tool featured on their continuous flow hot water heaters which have the temperature remote controllers installed.

If any fault arises with your Rinnai tankless hot water heater a fault code will flash on the digital status monitor of the controller.

This fault code display allows you to know, in an instant, what is wrong with the hot water heater.

In turn, this limits the required amount of investigation – as your service plumber will know the correct means immediately to be able to rectify the problem.

One of the codes that you may see showing on your Rinnai hot water monitor is error code 19.

What does Rinnai error code 19 signify on my tankless hot water heater?

Rinnai fault code 19 indicates that there is a problem in relation to electrical grounding and that for some reason an electrical short has occurred. In this scenario your hot water heater will not operate until the fault has been cleared.

When it comes to high voltage electricity you should only trust a fully qualified technician to resolve the fault code 19.

Rinnai Hot Water Fault Code 19 Troubleshooting

To troubleshoot a Rinnai hot water error code 19 you will require the services of a fully trained technician to check all components of your hot water heater for an electrical short.

Any issues found in relation to grounding will be resolved to allow your hot water heater to operate as normal once more.

Call Jim’s Plumbing for a prompt Rinnai error code 19 repair

For a fast and reliable repair to the Rinnai fault code 19 call in an expert from Jim’s Plumbing.

Our plumbers are all fully qualified and highly trained in rectifying all Rinnai hot water error codes, including fault code 19.

When you call a plumber from Jim’s you are guaranteed a same day service across all metropolitan areas of Adelaide, Melbourne, Perth, Sydney, Brisbane and Canberra.

In a plumbing emergency we strive to have a plumber to your location within an hour* of your call – no matter the time of the day or night.

We provide a 24/7 plumbing service with normal rates charged until 7.30pm on weekdays.

Call a professional from Jim’s Plumbing today on 1300 133 509 or complete our online plumber booking form for a fuss-free service at an extremely competitive price.

No Interest Ever!* Payment Plan Options Available

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*.

Choosing the Correct Hot Water System

Choosing the correct hot water system can be difficult, as there are so many options to choose from; Click on the links to find out more about these systems.




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Please be advised that we may have additional Rinnai Hot Water System models available.

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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