Navien Tankless Water Heater Error Code 003 Fixed!
14:07
YouTubeBryan Walker
Navien Tankless Water Heater Error Code 003 Fixed!
It seems like a lot of people are having trouble with their Navien tankless water heaters failing while displaying the error code 003E 2.00. I recently saw this on my Navien NR-240A heater. According to the manual, this is caused by an ignition problem. Since there hasn't been much good information posted on YouTube as to how to fix this, I put ...
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