Rinnai Hot Water Fault or Error Code 72

Rinnai Continuous Flow Hot Water Heater Fault or Error Code 72 Troubleshooting Guide

The Rinnai Infinity continuous flow hot water heaters come equipped with a self-diagnosing tool should your system experience a fault during its lifetime.

rinnai hot water system

There is a digital, or status, monitor which will display an error code which tells you at a glance what the issue may be with the system.

This allows for a quick and easy repair to have your hot water back running hot once more.

One of the fault codes that you may see flashing on your systems monitor is a Rinnai error code 72.

The fault code 72 indicates that there is a problem with the unit’s micro-processor in relation to the flame sensing device. You can try to clear any Rinnai fault code yourself (if it has happened due to a trip in the system) by turning the hot water tap off and on and also the monitor button off and then on. If the fault code remains then a repair will be required.

Rinnai error code 72 troubleshooting

One of the reasons that the flame sensor may become faulty is due to a dirt or debris build-up.

This can easily happen depending on where your hot water heater is located. You can avoid this issue by having your hot water heater serviced periodically as according to manufacturer’s instructions (usually once every two years).

If you do come across a Rinnai fault code 72 you will need to employ the services of a fully qualified technician to rectify the problem.

Attempting DIY repairs on a hot water heater if you are unqualified is extremely dangerous especially when you are dealing with gas and high voltage electrical wiring, and in many cases will cause more damage and cost in the long run.

Not to mention you will more than likely void your appliance warranty and could harm any related insurance claims that may be required in the future.

All you need to do to have the Rinnai fault code 72 rectified is to call in a fully qualified and experienced plumber from Jim’s Plumbing.

Our plumbers are all highly trained and experienced in dealing with Rinnai hot water fault codes and will have the issue repaired in no time.

In relation to the Rinnai error code 72 your attending Jim’s plumber will check the wiring harness to ensure there are no damaged connections from the flame rod back to the PC board.

The flame rod will also be checked and cleaned of any carbon build-up or debris and the micro amp output will be measured and resolved if there is any issue here.

Your attending Jim’s Plumber comes to your location in a fully stocked mobile van to promptly rectify the Rinnai fault code 72, or any other fault code you may experience, with minimal downtime and fuss to you, and will rarely need to leave site to source parts – making for an affordable plumbing service.

Should you find yourself with no hot water, or your hot water heater is not operating as intended, then call us anytime of the day or night.

We have a local plumber available to you covering all metropolitan areas of Adelaide, Perth, Melbourne, Sydney, Brisbane and Canberra 24 hours a day, 7 days a week.

Call us anytime for a same day plumbing service guaranteed – even on public holidays and weekends.

In a gas or plumbing emergency you can expect a Jim’s plumbing professional to be pulling into your driveway within an hour* of your call.

To clear your Rinnai fault code 72 with no hassle or fuss call the hot water experts from Jim’s Plumbing 24/7.

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