AI1422E Reader
TransCore Proprietary
8-3
Failure Modes
No Communication – To determine if there is a problem in the communications hard- ware,
the following two commands should be repeated together for testing purposes:
!01
escape to diagnostic mode
!22
display time and date
If functioning properly, the time and date will be displayed after the second command,
which means that the reader is communicating. If the reader is not functioning prop- erly,
then perform the following checks.
•
Does the AI1422E Reader System have adequate power? If not, ensure reader has
24V DC ±0.5V DC.
•
Is the main power switch on? If not, switch it on.
•
Is the main power switch light-emitting diode (LED) lit? If not, turn on power switch.
•
Are you using a null modem cable connection? If not, switch to a null modem
connection.
•
Is the Interface Selection switch on the front panel of the reader set to the correct
interface? If not, slide the switch to the correct interface.
•
Have you set the correct baud rate? If an incorrect baud rate is suspected, select and
send each baud rate in turn, using the !100x Baud Rate Select command, and wait for
a response.
Unit Will Not Read Tags
The suggestions listed here assume that the user has already verified proper serial
communications. If RF POWER LED is lit, the indication is that the AI1422E is querying for
tags. If the LOCK LED, , is lit, the indication is that the reader system is retrieving tag data. If
either LED is not lit, then check the following items:
•
Verify that the antenna connection is good.
•
Verify that the antenna cable is in good condition.
•
Verify that a single, known valid tag, properly polarized, is in the antenna field.
•
Verify that the trigger remains activated and the unit power is on.
•
Verify that a tag being alternated with a tag containing different data to avoid
uniqueness filtering.
Unit Will Not Retain Settings
If the unit will not retain information, such as time and date stamp or baud rate between
power cycles, the internal battery backup has failed and the unit must be returned for
repair. Contact TransCore at the telephone number listed at the front of this user guide
Summary of Contents for 1422E
Page 16: ...Before You Begin 1...
Page 20: ...AI1422E Reader TransCore Proprietary 1 5...
Page 21: ...2 System Overview...
Page 25: ...AI1422E Reader TransCore Proprietary 2 5 Figure 2 2 Antenna to Tag Centerline Tolerance...
Page 26: ......
Page 27: ...3 Interface Connections...
Page 32: ...User Guide TransCore Proprietary 3 6...
Page 33: ...4 Installation Instructions...
Page 41: ...AI1422E Reader TransCore Proprietary 4 9...
Page 42: ...5 System Test Procedures...
Page 45: ......
Page 46: ...6 Communications Protocols...
Page 49: ......
Page 50: ...7 Command Codes...
Page 87: ...User Guide TransCore Proprietary 7 38...
Page 88: ...8 Troubleshooting and Maintenance...
Page 93: ......
Page 94: ...Character Conversion A...
Page 96: ...B Technical Specifications...
Page 99: ......