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Hi i have a Rinnai convector 516TR showing error code 11 Mis-ignition and to check thermocouple output. what is the thermocouple output? regards, Andrew

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Technical by the looks of it! This is how to fix it:

Posted on Aug 25, 2008


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Posted on Jan 02, 2017


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I have a Rinnai 516TR showing error code 62

Error Code 62, indicates a faulty fan motor. Which, according to your Owner's Manual, requires a service call by an authorized Rinnai service technician. it may not mean replacing the fan motor. It could also mean a faulty fan sensor.

Hope this helped you. Cheers.

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OUr Rinnai gas heater convector 516tr keeps on turning itself off and flashes 12 on the light panel. What does that mean and how to fix it? tks


12 flashes means "Incomplete combustion". The code is prompted when the flame turns off because of a problem.

Check filter, check gas pressure and thermocoupling. Those are the problem that commonly trigger the code 12 error.

Here a manual.

Here Fixya thread on the problem.

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I think you will find the thermocouple or thermostat has gone this allows the gas valve to open and is a saftey device to stop the escape of dangerous fumes .. it looks like a long piece of thin copper wire approx 4mm thick and it extends from the main valve into the pilot light flame .. When the ignition is pushed and you hold your finger on it for a while this tells the the valve that the pilot light is lit .. conduction of heat along this pipe then opperates the diaphram in the valve allowing the gas to the burners the pilot light then ignites them .. if the pilot light goes out the unit will nort run ..
My advice to you is that even though you may be conversant with the heater .. they do tend to have all manner of faults occur when left in storage or if shipped ( jostling and bumping ) is to get a trained gas engineer to check it out it may cost a bit .. but a gas escape and the following reprocussions are far more exspensive and costly .. Also You may not be aware that if you do have an incident your house ,insurance may be null and void if no service documents can be raised for the correct servicing of a fixed or mobile gas Convector .. I hope this helps Regards Vortash

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I am going to try it tomorrow.

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Rinnai Convector 516TR Heater

Hi, Here is the link to the manual. I think something like 'thermo coupling' probably means you need a technician!

Jun 24, 2008 | Heating & Cooling

1 Answer

Hi - I have a Rinnai Convector 406 gas heater which is 2 years old. Yesterday, it started cutting out with an error code of "12" showing in the display. It can be re-started but only stays on for a few...

I believe the 12 is the error code for "incomplete combustion". In this case you will want to start with the thermocouple. If you are not handy at these things I would call a service tech. You can find a service person on their website.

Jun 15, 2008 | Rinnai Heating & Cooling

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