Hi, we have a Rinnai 516TR. After the heater has been on a short while it stops and flashing a error message of "12" on the display. Nothing in our user guide says anything about error messages. We're lost and are sick of getting up every 5 mins to turn the heater back on! Help!
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Re: Rinnai Heater - error message "12"
An error code of 12 on your heater means a flame failure has occured. It could be the following: Flame Rod dirty, Obstruction in burner, improper gas pressure, or a bad ignitor board. I am suggesting you get a technician who is familiar with Rinnai products to check out the above items.
I fix Toyo's which are related to your heating unit. When a Toyo Laser 30 has an error code of 12, it means that the screen in the back is plugged up with lint, dust, or something causing the unit to over heat. A screen with what appears to be a little fuzz can be a significant clogging of the cooling air passive design of the system. Look for a lint screen and try cleaning it! Also, check out any info is the book about screen filters, fan shrouds etc in case your wording is diffrent. Toyo Tech
I get this problem from time to time. It makes no sense. It happens randomly, and if I shut it off and turn it back on it comes right back up. Unfortunately this doesn't give us any peace of mind when leaving the house in the winter for a few days, or even when going to sleep when it's in the teens or single digits at night.
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Try national energy they sell convestion kits It would need a gas fitter to do the work , you may need to a quote on this , they would be able to tell you if it is worth it ,its hard to tell with out looking at the heater .
Hi This is happening to us and I called Rinnai... they suggested that if anyone either in our apartment or an ajoining one has painted walls or varnished a floor that the convection heater picks up the smell and the only way to get rid of it is to burn it off by running the heater for several hours in a well ventalated room...