What does error code 79 mean

SOURCE: LED on defrost control board is blinking 3 times

Does not initiate defrost on ots own. Loose sensor. If sensor is not loose replace defrost board and sensor. Russ

SOURCE: I have an error code

I am experiencing the same error code on my American Standard AC and according to Public. #18-HD32D2-8, error code 126 is in the Equipment Change Alert Group and the description says "Equipment does not match value stored at startup." Then, in a footnote, it says "A device has changed since Auto Discovery (See Installer Guide *S& 0706 to reset)."

This is all Greek to me so I'm calling my AC guy. I can tell you this, however. I bought an American Standard AC brand new just two years ago and one year ago exactly, it blew up. American Standard replaced it. Now, one year later, more problems.

I question the quality of American Standard and would not be inclined to buy this brand again.

johnny rebel

• 10875 Answers
• Posted on Jul 24, 2015

SOURCE: american standard error code 158

http://denverwinair.com/literature/american_standard/thermostat/acont900-install_guide.pdf

Thomas Woodburn

• 2638 Answers
• Posted on Dec 04, 2017

SOURCE: American standard thermostat error code ,1 AFC EH CFGI ERR? HELP? THANKS

what model number.

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