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Maintenance and Troubleshooting
86 VX-3000d Series Installation/Operation Manual
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5.2
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the VX-3000d. If the suggested solutions fail to resolve the problem or if
you encounter an issue not described here, please contact Runco Technical Support.
Table 5-1. Troubleshooting Chart
Symptom Possible Cause(s) Solution
The projector does not turn
on.
• The VX-3000d is not
plugged in or the AC outlet
is not active.
• The main power switch (at
the rear of the projector) is
off.
• Lamp cover is not securely
attached.
• Ensure that the VX-3000d
is plugged in and that the
AC outlet is active.
• Turn on the power switch.
• Securely attach the lamp
cover.
The projector does not turn
back on after it was powered
off.
• The projector will not turn
on for two minutes after
power-off, to protect the
lamp.
• Wait until the VX-3000d
completes its cool-down
(POWER LED lights solid
orange).
Neither the DHD Controller
nor the projector turns on.
Both front-panel LEDs on the
DHD Controller are off (see
Figure 2-4).
• The DHD Controller is not
plugged in or the AC outlet
is not active.
• The main power switch at
the rear of the DHD
Controller (see Figure 2-5)
is set to the “off” position.
• Ensure that the DHD
Controller is plugged in
and that the AC outlet is
active.
• Set the switch to the “on”
position.
Neither the DHD Controller
nor the projector turns on. On
the DHD Controller, the
Runco icon LED is off and the
standby LED is on.
• The batteries in the remote
control are dead or
installed incorrectly.
• Press the ON/STANDBY
( ) button on the DHD
Controller front panel. If
the controller turns on,
verify that the batteries in
the remote control are
good and properly
installed (refer to Remote
Control on page 15).
The DHD Controller turns on,
but the projector does not.
• The DHD Controller is
connected to the
VX-3000d incorrectly or
not at all.
• The VX-3000d is not
plugged in or the AC outlet
is not active.
• Verify the RS-232 cable
connection from the DHD
Controller to the VX-3000d
(see Figure 3-14).
• Ensure that the VX-3000d
is plugged in and that the
AC outlet is active.
The projector and DHD Con-
troller are both on and menus
appear, but there is no video
image on-screen.
• Incorrect source selection.
• Source component is not
turned on.
• Select the correct source.
• Turn on the source
component.
Image is too bright and/or
lacks definition in the bright
areas of the image.
• Contrast is set too high. • Lower the contrast setting.