Chapter 5-Troubleshooting; Troubleshooting; Possible Device Problems - DEC FP775S Series User Manual

Chapter 5

Troubleshooting

5-1

5-1-1 Possible Device Problems

Two possible types of trouble are as follows.
•
•
Troubleshooting procedures for these problems are described in the flowcharts on the
following pages.
•
• When changing the backlight, since there is a danger
FP-770T User's Manual
1. Troubleshooting
Troubleshooting
No display
- No display appears after the unit is switched on.
- The screen disappears during RUN mode.
- The screen display is not normal.
Touch Panel Does Not Respond
The touch panel does not respond when pressed, or its response time is abnormally
slow.
Because of the danger of an electric shock, be sure the
power cable is not connected when wiring the unit.
of an electric shock or burn, be sure to turn the FP
off and wear gloves.
This section assumes that the FP is the cause of a problem,
not the host (PC). When the host is the problem, please
refer to that device's manual.
Warning
5-1