Instruction manual
MATRIX 200™ REFERENCE MANUAL 
10 
TROUBLESHOOTING GUIDE 
Problem Suggestion 
One Shot or Phase Mode 
using serial trigger source: 
the ”TRIGGER” LED is not 
blinking. 
•  In the Operating Mode folder check the settings for 
Reading Phase-ON, Acquisition Trigger and 
Reading Phase-OFF parameters. 
•  Are the COM port parameters (Baud Rate, Parity, Data 
Bits, Stop Bits, Handshake) correctly assigned? 
•  In the communication folder, check the settings of 
Reading Phase-ON String, Acquisition Trigger 
String and Reading Phase-OFF String parameters. 
•  Is the serial trigger source correctly connected? 
Phase Mode: 
the ”TRIGGER" LED is 
correctly blinking but no image 
is displayed in VisiSet™ 
Calibration Tool window. 
•  Is the Phase frequency lower than the maximum frame 
rate? 
Continuous Mode: 
the ”TRIGGER” LED is not 
blinking. 
•  Verify the correct software configuration settings. 
Any Operating Mode: 
the ”TRIGGER” LED is 
correctly blinking but no result 
is transmitted by the reader at 
the end of the reading phase 
collection. 
•  In the Data Collection folder check the settings for the 
CODE COLLECTION, DATA FORMAT and 
STATISTICS parameter groups. 
Image not clear: 
•  Verify the Focus procedure 
Image focused but not 
decoded: 
•  Verify the Calibrate Image Density prodcedure. 
Reading: 
the reader always transmits 
the No Read Message 
•  Run the Rapid Configuration procedure in chapter 1. 
•  Position the reader as described in par. 3.3 and through 
the VisiSet™ Calibration Tool: 
−  Tune the ACQUISITION TRIGGER DELAY, if the 
moving code is out of the reader field of view; 
−  Set the Continuous Operating Mode if no external 
trigger source is available; 
−  Tune the IMAGE ACQUISITION SETTING to 
improve the code image quality; 
−  Check the parameter setting in Decoding, 
2D Codes, 1D Codes, and Postal Codes folders; 
−  View the full resolution code image to check the 
printing or marking quality. 
Communication: 
reader is not transmitting 
anything to the host. 
•  Is the serial cable wiring correct? 
•  If using CBX, be sure the RS485 termination switch is 
OFF. 
•  Are the host serial port settings the same as the reader 
serial port settings? 
•  In VisiSet™ Digital I/O folder, "COM" LED can be 
configured to indicate MAIN COM port TX or MAIN 
COM port RX. 
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