Question: What is A,B code

Answer:

Answer:

This is the remote signal launch code.

If you have two Air conditioner, and the installation position is close. Under this condition, if you control one of them by remote, the other one also will be controled.

If you don't want it like this, you can set  the other air conditioner adopt 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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