How do I find out how to troubleshoot the error code on my unit? March 05, 2021 18:17 Updated You can check our Troubleshooting and Error Codes Section on how to determine what error code you're getting and how to troubleshoot your system. Related articles How do I maintain my mini-split? Why is my unit heating above or cooling below the set temperature? What is the minimum and maximum recommended lengths for my line sets? Does my unit come pre-charged with refrigerant? My unit goes into defrost mode frequently, is that normal? Comments 0 comments Please sign in to leave a comment.