Installation Instructions Owner's manual

AB
7
Chapter
71
Troubleshooting and Maintenance
This chapter describes how to isolate and correct the most common
operating problems and routine maintenance tasks. It contains these sections:
Section Page
Troubleshooting Recommendations 71
Equipment Required 71
Common Operating Problems 72
Error Messages 72
Communication Error Codes 74
Using the Test Functions 75
DIP Switch Test 76
Display Test 77
Keyboard Test 78
Comm Port Test 79
Printer Port Test 710
Display Control Test 711
RAM Test 712
System Memory Test 713
Program File Test 714
Clock/Calendar Test 715
TXEN Test 716
Cleaning the display window 717
Most errors are accompanied by an error message. Find the error message in
the error message listing and perform the recommended corrective action.
If you encounter a problem that is not listed in the table, contact your local
Allen-Bradley distributor for assistance.
!
ATTENTION: Make sure that no objects are inserted or fall into
the DTAM Plus through the ventilation slots or DIP switch access
hole. Always disconnect power when checking wiring
connections. Failure to take adequate precautions may result in
severe electrical shock or equipment damage.
Other than verifying that the correct power source is connected to the DTAM
Plus (use a voltmeter), no electronic diagnostic equipment is required for
troubleshooting.
Chapter Objectives
Troubleshooting
Recommendations
Equipment Required