User's Manual

Table Of Contents
General Guidelines
7-2 Troubleshooting
The following table describes several possible failures for the 95 Series RFID System,
and the troubleshooting steps to correct them.
Problem Symptom Probable Cause Solution
No communication
with a Reader.
Reader does not
respond to any
command.
1. Reader has an
incorrect address.
2. Faulty communication
line between the
Reader and PC.
1. Check whether the Reader responds
to commands using different
addresses, by typing the following:
@1 IVN<Enter>, @2 IVN<Enter>,
@3 IVN<Enter>. When a correct
addressissent,theReaderwill
respond with its version number.
2. If, by using a specific address, you
areabletocommunicatewith
Reader, use this address or change
the address to another value.
3. If after checking all possible
addresses (up to 31), you still cannot
communicate with the Reader, check
Probable Cause 2.
1. Open the Reader’s enclosure and
connect the PC directly to the
Reader using the RS-232
communication line. See Connecting
the RS-232 Communication Line on
page 2-2.
2. Switch off the Reader’s power supply
for at least 5 seconds, then perform
the steps in the Reader’s Power-up
Sequence on page 5-3.
3. If the Reader performs the power-on
test successfully, press the RESET
button once. Check whether the
DATA LED starts flashing at the
rate of 2 Hz.
4. Press the RESET button again.
Check whether the DATA LED stops
flashing.
5. Check whether the Reader is
responding to local commands by
typing: @r IVN, and pressing
<Enter>, where r is the Reader’s
address. The Reader must respond
with its version number.