Datalogic Matrix 120 Product Reference Manual page 161

For Matrix 120 readers some of these alarms are not relevant. The following
table shows the relevant alarms:
Alarm Code
171
189
191
193
195
999998
Product Reference Guide
Description
Protocol Index Failure
Fieldbus Communication
Failure
Fieldbus Type Mismatch
Fieldbus Configuration
Error
Fieldbus DHCP Problem
Camera Head Failure
Meaning
The expected Protocol Index is not
received
There is a communication error between
the scanner and the Fieldbus module
inside the CBX connection box or QLM
Gateway
The Fieldbus module inside the CBX
doesn't match the one saved in the scan-
ner configuration memory
A configuration error has occurred
between the scanner and the Fieldbus
module inside the CBX connection box
A communication problem has occurred
between the DHCP server and the Field-
bus module inside the CBX connection
box or QLM Gateway
The Matrix 120 Camera Head has failed
Diagnostic Alarms
147