User Manual
XC-RF855 Reader
12
7.2 Troubleshooting and solution
Failure Phenomenon
Possible Cause
Resolvent
Equipment cannot start
Whether the power line
has been connected
Connect the power line
Poor contact of power
plug
Pull out the power plug
and reinsert it
Unable to read labels
The antenna connector is
loose
Tighten the RF connector
on the RFID module
The antenna has been
damaged
Check or replace the
reader antenna
Tags are not in the
antenna reading area
Move the tags closer to
the antenna
The tags in the antenna
reading area have been
damaged
Change a label to test it
again
The signal is seriously
disturbed
Confirm whether there
is a similar device work
around it
Serial port work
abnormality
Turn off the power supply
and restart the equipment
The USB line is broken
Change the USB line
Unable to connect devices
through serial port
Serial port number
selection error
Reselect serial port to
match PC COM number.
Serial port is occupied Closes the program which
occupies the serial port
LED lights are not bright
The power line of the
LED is not connected
Check whether the power
line is in good contact
Program without response
Program issue
Reboot device
5. OPerating Mode
