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  1. #1
    my unit had a code 34 w/lck-out. fixed that now have a code 13, any quick ideas?

  2. #2
    Join Date
    Jul 2004
    Location
    IN THE CRAWL SPACE
    Posts
    1,536
    Call for service.

  3. #3
    Join Date
    Feb 2005
    Location
    Richmond
    Posts
    480
    Code 13 is Hi-Limit lockout, you should call for service. You may have a dangerous situation that is letting the Heat Exchanger get too hot.

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