Rockwell Automation 2711 Standard PanelView Operator Terminal User Manual - Manual (Page 225)

225 Publication 2711-UM014G-EN-P - September 2008 225
Chapter
13
Troubleshooting and Maintenance
Chapter Objectives This chapter tells how to isolate and correct common operating
problems and perform routine maintenance tasks.
•
Using required equipment
•
Using troubleshooting chart
•
Interpreting status indicators
•
Cleaning display window
•
Replacing clock module
•
Replacing backlight
Equipment Required Use a voltmeter to verify that the correct power source is connected to
the terminal. No other electronic diagnostic equipment is required for
troubleshooting.
Use the Troubleshooting
Chart The following pages provide a troubleshooting chart for the terminal.
This chart lists the most common operating problems, causes, and
steps to correct them.
TIP
You cannot access the PanelView 300 Micro terminal's internal
components. The rear cover is not removable; do not attempt to
remove the cover. The real-time clock battery and LCD display
backlight are not replaceable.
ATTENTION
The PanelView terminals contain hazardous voltages. Do not
insert objects or let objects fall into the terminal through
ventilation slots. Always disconnect power when checking
wiring connections. Failure to take adequate precautions may
result in electrical shock.