How to Solve Yanhua Mini ACDP got “open serial port failed”

Offer two solutions to Yanhua Mini ACDP got error ” open serial port failed, please check whether serial port is occupied” when installing on PC.

Here are two images showing the error:

solution to yanhua mini acdp open serial port failed 03 solution to yanhua mini acdp open serial port failed 01 solution to yanhua mini acdp open serial port failed 02

Solutions:

Solution 1:

Firstly, use your phone to connect Yanhua ACDP with the WIFI. (How to connect Yanhua ACDP with your phone?)

Secondly, use your computer to connect Yanhua ACDP with the same WIFI as your phone.

Thirdly, unbind from mobile phone, then the computer will be connected automatically.

FIY:

IOS System requirements:

1.System Version: 9.0 or more

2.Cell phone Models: iphone6 or more

3.Running Memory RAM:> 2G

4.Storage Space ROM:> 1.5G

Android System requirements:

1.System Version: 5.0 or more

2.Running Memory RAM:> 2G

3.Storage Space ROM:> 1.5G

solution to yanhua mini acdp open serial port failed 04

Solution 2:

Buy one extra Bluetooth Adapter by Yanhua as below, if your phone operation system is incompatible.

bluetooth adapter for yanhua mini acdp 05 bluetooth adapter for yanhua mini acdp 06

After inserting this Yanhua Bluetooth Adapter, you can see the name is “USB Serial Port (COM2)” instead of “Bluetooth SPP Driver (COM10)”.

solution to yanhua mini acdp open serial port failed 07

Image: USB Serial Port (COM2) read by Mini ACDP.

solution to yanhua mini acdp open serial port failed 08

Image: Bluetooth Adapter by Yanhua is inserted into ACDP and working fine.

Question:

Can I use my own Bluetooth adapter instead of the one from Yanhua?

Like this one:

solution to yanhua mini acdp open serial port failed 09

Answer: Better buy the Bluetooth adapter from Yanhua. The price should be cheaper if you are a regular customer.

Author: Yanhua MiniACDP