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FAQ - What does an error code 12 mean?

Article Number: 218 | Rating: 4.1/5 from 8 votes | Last Updated: Mon, Oct 6, 2014 2:27 PM

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.

Please visit http://support.noritz.com/servicereplocator.php to find a local service representative.

Applicable Models

Models: ALL MODELS

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