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Home > Service & Support > Troubleshooting > What is A,B code
Question: What is A,B code
Answer:

If you install two same unit, and the two unit are very close.

In this condition, if you control one of them with remote, the other one also will be controlled. If you don't want this, you can set  the other use launch code B.

This function need service engineer adjust indoor PCB into B code, then set one remte use B code.


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