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a. Problem: Nothing happens when I follow the operating instructions.
Possible Cause Possible Solution
Interface cables are loose Check for loose cable connections
b. Problem: When I connected RS232 interface reader to PC, I could not get
power up signal.
Possible Cause Possible Solution
There is no power from PC series
port.
Use external power supply or take the
power from PC.
c. Problem: When I connected RS232 interface reader to PC or terminal, I got
power up signal but no data transmitted.
Possible Cause Possible Solution
This may cause by wrong pin out or
wrong communication protocol.
Check the pin out and communication
protocol to match the PC or terminal
you are using.
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