Troubleshooting; Troubleshooting Guide - Intermec Sabre 1555 RFID Service Manual

Sabre 1555 RFID and Bar Code Reader Service Manual

Troubleshooting

1-4
Based on the known trouble with the 1555, conduct one or more of the tests listed below
to determine basic functionality and locate the cause of the trouble.
Test
Scanning and LED Operation Test
Bar Code Depth of Field Test
RFID Functional Test

Troubleshooting Guide

Use the following table to learn what steps you should take when troubleshooting
specific problems with the 1555.
Problem
1555 does not turn on
when power is
connected.
Aiming beam does not
appear during
Scanning and LED
Operation test.
No display.
LEDs do not operate
during LED Operation
test.
Mode button does not
return to original
position after being
pressed.
No audio signals.
Page
3-4
3-5
3-7
Steps To Follow
1. (PDT version) Make sure the battery is charged and properly
plugged into the 1555.
2. Open the case as described on page 2-12 and make sure that the
body and shield of the scan engine are not grounded to the RF
board.
3. Replace the handle PCB as described on page 2-5.
1. Open the case as described on page 2-12 and check all flex cables
for correct routing and placement.
2. Replace the scan module as described on page 2-20.
1. Open the case as described on page 2-12 and check the flex cable
routing to the upper case assembly.
2. Replace the upper case assembly as described on page
2-29.
1. Repair the Mode button as described in Appendix A, "Rework
Procedures."
1. Open the case as described on page 2-12 and check the piezo
twisted pair.
2. Replace the piezo assembly as described on page 2-14.