9
Troubleshooting Table
Use Table 2 to identify and correct any problems areas.
Table 2 Identifying and Correcting Problems
Symptom
Possible Cause
Suggested Solution
Display does not
appear.
Brightness or
contrast control is
set too low.
Power Management
feature is active in
the off state.
There is no power.
Increase the
brightness and
contrast control settings.
Press any key and allow 20
seconds for monitor to warm
up.
Check the power cord. Use
another ac outlet.
Color impurity
Magnetic fields can
build up on the CRT.
Press the
degauss switch to
demagnetize the CRT. See
Caution below.
Video display has
moving dots or
distorted lines.
The display rolls or
flickers.
There is
electromagnetic
interference.
Adjustments may be
out of alignment.
Move any electromagnetic
device, such as a fan or motor,
away from the monitor or move
the monitor.
Press the
recall button until the
LED changes from amber to
green. See Caution below.
CAUTION: Pressing the Recall button, or the Degauss
button, for longer than 5 seconds, resets all of the data in the
user memory area so you must remake your user
adjustments.
