Why The Electric RFID Lock is inserted into the wireless remote control module, and it will be hot?

Details of the problem:

Electric RFID Lock Install the lock body, insert the wireless remote control module, after the power of power, is the positive and negative interpolation?

Expert answer:

Hello, wireless module is divided into positive and negative poles. You should install the modules according to the instructions, or you will burn the wireless module. According to what you said above, most of them are caused by the anti-module.

Please install the module according to the following figure:

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