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