Question about Rinnai Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Hi - I have a
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.
Posted on Jun 16, 2008
SOURCE: OUr Rinnai gas heater convector
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.
Posted on Sep 06, 2010
SOURCE: Have a Rinnai convector 404
Most likely it is a problem with the gas pressure or the air adjustment. You will need a Manometer to be able to check it and adjust it so I would recommend you call your local gas technician. If you have a shut-off on the unit, you can test this by throttling down the valve till the whistle diminishes however this is not a fix, just a diagnosis.
Posted on Apr 25, 2011
According the the Owner's Manual for your Rinnai Convector Heater, there are 8 things, than can cause what you described. Two of which can be discounted, unless you just had the heater installed.
I have provided a link to the Owner's Manual, that you can download and print for future reference. Please pay close attention to Page # 6 -Pre-Service Check List and Fault Finding. Each problem listed has a troubleshooting solution.
Hope this helps you to further troubleshoot and solve the problem. Please let me know. Cheers!
Posted on Jun 17, 2011
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