Rockwell Automation 2707-L40X_L8X_V40X DTAM Plus Operator Interface Module Installation Instructions - Manual (Page 89)

A–B
7
Chapter
7–1
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 7–1
Equipment Required 7–1
Common Operating Problems 7–2
Error Messages 7–2
Communication Error Codes 7–4
Using the Test Functions 7–5
DIP Switch Test 7–6
Display Test 7–7
Keyboard Test 7–8
Comm Port Test 7–9
Printer Port Test 7–10
Display Control Test 7–11
RAM Test 7–12
System Memory Test 7–13
Program File Test 7–14
Clock/Calendar Test 7–15
TXEN Test 7–16
Cleaning the display window 7–17
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