Technical data

4–2 Maintenance
Table 4–1 Identifying and Correcting Problems
Symptom Possible Cause Suggested Solution
Power indicator
does not light
up when you
turn the monitor
power switch on.
Power cord is
not connected to
the power source
or the monitor.
Turn the monitor power switch off.
Reconnect the power cord to the power
source and the monitor. Turn the
monitor power switch on.
There is no
power at the
wall outlet.
Check the outlet by plugging in a lamp.
If the lamp does not work, call the
responsible facilities person.
Monitor is faulty. Turn the monitor power switch off.
Contact Customer Services.
Screen is blank,
but power
indicator is
on.
Host system
screen saver
feature is
activated.
Press any key to reactivate the display.
Brightness and
contrast controls
are set too low.
Increase the brightness and contrast
control settings. A raster should be
displayed.
Host system
power switch is
not turned on.
Turn the host system power switch on.
Signal cables are
not connected to
the monitor or
the host system.
Refer to Chapter 2 of this manual
and the host system documentation to
reconnect the signal cables.
Monitor or host
system is faulty.
Turn the monitor power switch off.
Contact Customer Services.
Screen displays
poor color.
Monitor has
been swiveled.
Press degauss switch to correct color
distortions.