Technical Articles

FAQ - What is a 16 error code?

The 16 error code occurs when the outlet water temperature spikes to an abnormally high value.  The heater will restrict its water flow as an additional precaution.  The error code is reset by unplugging the heater, waiting 20 seconds, and plugging it back in.

Common causes for the 16 error code are:

For assistance with this error code visit to find a local service representative.

Applicable Models
  • Models: ALL MODELS
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 does a 93 error code mean?
Viewed 10633 times since Fri, Dec 16, 2011
FAQ - How to clean inlet filter
Viewed 51042 times since Wed, Feb 22, 2012
FAQ - My unit is rumbling when it’s trying to fire.
Viewed 4878 times since Mon, Oct 3, 2011
Article Rating (20 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.
Copyright © 2011, NORITZ AMERICA CORP.All Rights Reserved