Rockwell-automation 2711 Standard PanelView Operator Terminal User Man Bedienungsanleitung Seite 228

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228 Publication 2711-UM014G-EN-P - September 2008
Chapter 13 Troubleshooting and Maintenance
Values do not update on
display but appear as
asterisks ****
Terminal is not communicating with controller. Check status of COMM Status indicator.
Refer to problem No communication with SLC or
PLC controller for more details.
Value is invalid or exceeds the field width defined
for the object.
Change the field width for the object.
Can’t enter Configuration
Mode when pressing Left
and Right arrow keys
simultaneously.
Left and right arrow keys are assigned to screen
objects in the terminal application.
Contact Allen-Bradley technical support for
assistance.
(1)
Terminal displays a warning message with instructions if these errors occur.
Troubleshooting Chart
Problem Probable Causes Corrective Actions
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