Dell OptiPlex 7760, User Manual

Page: 38 / 47

38 Troubleshooting
Guiding Signals
Projector
Status
Description
Control Buttons Indicator
Power
TEMP
(Amber)
LAMP
(Amber)
Standby
mode Projector in Standby mode. Ready to
power on.
White Flashing OFF OFF
Warming up
mode Projector takes some time to warm
up and power on.
White OFF OFF
LD on Projector in Normal mode, ready to
display an image.
Note: The OSD menu is not
accessed.
White OFF OFF
Cooling
mode Projector is cooling to shutdown.
White OFF OFF
Projector
overheated Air vents might be blocked or
ambient temperature may be above
40°C. The projector automatically
shuts down. Ensure that the air vents
are not blocked and that the ambient
temperature is within operational
range. If the problem persists,
contact Dell.
OFF AMBER OFF
Fan
breakdown One of the fans has failed. The
projector automatically shuts down.
If the problem persists, contact Dell.
OFF
AMBER
Flashing
OFF
LD driver
overheated Air vents might be blocked or the LD
driver has overheated. The projector
will automatically shut down. Turn
the display on again after the
projector cools down. If the problem
persists, contact Dell.
AMBER AMBER OFF
Color Wheel
breakdown Color wheel cannot start. The
projector has failed and the projector
automatically shuts down. Unplug
the power cord after three minutes
and then turn on the projector. If this
problem persists, contact Dell.
White
AMBER
Flashing
AMBER
Flashing
LD failure LD is defective. OFF OFF AMBER
Fault - DC
supply (+12V) Power supply has been interrupted.
The projector automatically shuts
down. Unplug the power cord after
three minutes and then turn on the
projector. If this problem persists,
contact Dell.
AMBER Flashing AMBER AMBER