Do you use a Rinnai tankless hot water heater?
What is the frequency of Rinnai Error Code 70?
The Rinnai error code 70 is an important error that needs to be addressed on a priority basis.
Error code 70 refers to a fault within the system’s PC Board, that is, the printed circuit board.
Needless to say, a PC board is an important component of a Rinnai water heater as it controls all operational functions of the hot water unit including air supply, gas control, and most importantly, water flow functions.
Moreover, electrical pulse signals are sent to the PC board when operations within the unit are required and the PC board will then send electrical currents to the parts needed for the proper running and smooth operation of the system
It goes without saying that any issue big or small related to a PC board requires the service of a fully qualified technician.
Whenever an error code 70 is flashing on your Rinnai tankless hot water heater’s digital monitor, all you need to do is to contact a qualified technician at the earliest in order to prevent any last-minute debacle.
The technician will inspect the PC board and make sure that all the connections are in proper working condition.
On top of it, the technician will also inspect the dip switches in order to ensure that they are set to their proper positions, and if needed, they will let you know that the PC board needs to be replaced.[Related]
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- Check all wiring harnesses at the connection to the PC board to ensure they are not loose, broken, or damaged
- Check all dip switches to ensure they are set to the proper position
- Replace the PC Board
- Control Board – R75
It’s A Wrap
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Cutting long-story-short, Rinnai error code 70 needs attention and should be dealt at the earliest.
If you’re not sure how to deal with this error code then the best thing that you can do is to contact a qualified technician.
We’ve also mentioned the troubleshooting steps so that things can be easier for our readers.
Don’t forget to have a quick look at other error codes of Rinnai.
That’s all, as of now:):):)