RS485 Connections Issue
MCU Version 3.1 ~ FTKA1001v3.1
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Part Involved: MCU
Component Involved:
1 RS485 Chip
2 IC Chip


Changing step:
Remove & replace the new RS485 chip if you have 485 connection issue.
If the chip has been replaced but the connections problem persists, you will have to replace the IC chip**

**The IC Chip must be purchased from FingerTec. Provide the model number of the fingerprint reader.