User Manual

Chapter 9 Troubleshooting and Problem Solving
- 234 - Hi-G-Tek Ltd. Micro electro nic s & A sset Tra cking Techno logy
9
Trouble Shooting and Problem Solving
9.1 General DataReader Problems
1. Power LED is red: The DataReader is malfunctioning. Replace the
DataReader.
2. Power LED is off: Check the power connection.
9.2 RS-232/485 Comm unication Problems
3. DataReader does not respond to the controlling computer:
 Verify t hat t he P ower LED blinks during power on. The LED
should then remain steadily green.
 Verify that the cables are connected according to the diagrams in
chapter 5.
 Verify that the Reader ID you specified is the same number as the
S/N printed on the sticker on the back side of the DataReader
(below the barcode).
 Verify that a terminator exists at end of the RS-485 chain, as
described in chapt er 5.
 Make sure that the specified COM port is the COM port that in fact
the DataReader is connected to.
9.3 General RF Comm unication Problems
4. DataReader does not receive a specific DataSeal:
 Verify that the DataSeal is within the DataReader's Receiving
Zone. Check that the RF Tran smission Powe r parameter is not too