Rinnai Hot Water Fault or Error Code 70

Rinnai Continuous Flow Hot Water Heater Fault or Error Code 70 Troubleshooting Guide

If your home or office has a Rinnai continuous flow hot water system installed, along with a water temperature remote controller, you have the benefit of being able to quickly see, at a glance, what may be wrong with the hot water system should a fault arise.

rinnai hot water system

The Rinnai hot water heaters are reliable, durable and built to last. They also come with extremely high warranty terms meaning that Rinnai backs its product fully.

But, like every appliance, a fault can occur during the life span of the hot water unit.

Thankfully, Rinnai have included a self-diagnostic fault reader on their continuous flow hot water system temperature controllers. If a problem with the hot water heater occurs a fault code will flash on the digital monitor. These fault codes allow your service technician to quickly provide a repair according to the error code showing.

One of the Rinnai fault codes that you may come across is code 70.

What is a Rinnai error code 70 on my continuous flow hot water heater?

The Rinnai error code 70 refers to a fault within the systems PC Board (printed circuit board).

The PC board controls all operational functions of the hot water unit from air supply, gas control and water flow functions.

Electrical pulse signals are sent to the PC board when operations within the unit are required and, in turn, the PC board will then send electrical currents to the parts needed for the system to run and operate efficiently.

Does a Rinnai fault code 70 require a service call?

Yes. Any problems in relation to the PC Board will require the services of a fully qualified technician to rectify the issue.

If an error code 70 is flashing on your Rinnai tankless hot water systems digital monitor then call in a hot water expert from Jim’s Plumbing.

When you call a local plumber from Jim’s you can rest assured that your attending plumber will know exactly how to resolve the error code 70 with a fast and affordable service.

They will inspect the PC board and ensure that all connections are in proper working order. The dip switches will be checked to make sure that are set to their proper positions and, if all seems correct in these instances, the next step will be to replace the PC board.

Call Jim’s Plumbing for a same day service

When you enlist the services of a professional and fully qualified plumber from Jim’s Plumbing you are guaranteed a same day service.

We can even be knocking on your door within an hour* of your booking if it is a plumbing emergency.

We have a team of highly skilled and experienced plumbers located across all metropolitan suburbs of Adelaide, Melbourne, Perth, Sydney, Brisbane and Canberra.

We provide normal rates until 7.30pm on weekdays and our plumbers are available 24 hours a day, 7 days a week, including all public holidays.

To rectify your Rinnai fault code 70 trust the experts from Jim’s Plumbing – we are here for you whenever you may need us 24/7.

Call today on 1300 133 509 or book your plumber via our convenient online booking form.

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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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