Technical Articles

FAQ - What does an error code 12 mean?

An error code 12 indicates a flame loss. This means that the unit is detecting a flame, but the flame is being extinguished during operation (weak flame). 

Common issues associated with a 12 error code include:

1) Insufficient gas supply
2) Insufficient air supply
3) Debris on the flame sensor


It is recommended that you contact a servicer to troubleshoot this error code.

Applicable Models
  • Models: ALL MODELS
Attachments
There are no attachments for this article.
Comments Comments
Please add a comment if you would like to provide us with feedback about this article. We will carefully analyze your feedback and use it to improve our Articles, but we will not reply to you. If you have an issue that requires a reply, please click here to contact us. If you have an urgent matter that needs immediate assistance, please call us at 866-766-7489. Otherwise, please feel free to search our website for what you need. Thank you for choosing Noritz!

Related Articles

There are no articles in this section.

Articles in same category

FAQ - What maintenance is recommended?
Viewed 5761 times since Fri, Sep 30, 2011
FAQ - My unit is rumbling when it’s trying to fire.
Viewed 1487 times since Mon, Oct 3, 2011
FAQ - Why does my water heater turn on momentarily sometimes when no one is using hot water or when someone flushes the toilet?
Viewed 2703 times since Mon, Oct 3, 2011
Article Rating (3 Votes)
Rate this article

Subscribe to Knowledgebase

Get notified when Knowledgebase articles are added or updated.
Get notified when Knowledgebase articles are added or updated.
Subscribe
VIEW FULL SITE
Copyright © 2011, NORITZ AMERICA CORP.All Rights Reserved