Maintenance and Troubleshooting
Runco VX-40d/-50d/-60d/-80d Owner’s Operating Manual 77
PRELIMINARY
5.3 Troubleshooting Tips

Table 5-1 provides some general guidelines for troubleshooting problems you may

encounter with the VX-40d/-50d/-60d/-80d. 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 after initial installation.
•The
VX-40d/-50d/-60d/-80d is
not plugged in or the AC
outlet is not active.
• The DHD Controller is not
plugged in or the AC outlet
is not active.
•The remote control
batteries have run out.
• The serial connection from
the DHD Controller to the
VX-40d/-50d/-60d/-80d is
incorrect.
• Ensure that the
VX-40d/-50d/-60d/-80d is
plugged in and that the AC
outlet is active.
• Ensure that the DHD
Controller is plugged in
and that the AC outlet is
active.
• Replace the batteries.
• Ensure that the RS-232
output from the DHD
Controller is properly
connected to the RS-232C
input on the
VX-40d/-50d/-60d/-80d
(see Figure 3-8).
The projector and DHD
Controller are both on, but
there is no picture and
on-screen menus do not
appear.
• Lens cover is on or shutter
is closed.
• Lamp failed to ignite.
• Faulty or incorrect video
connection between the
DHD Controller and the
VX-40d/-50d/-60d/-80d.
• Incorrect input source
selection.
• Display Device input
source is set to RGB, DHD
Controller input is set to
DVI 1 or DVI 2 and DVI
source is
HDCP-encrypted.
• Ensure that the lens cover
is off and the shutter is
open.
• Ensure that the lamp door
is closed. If it is and the
problem persists, replace
the lamp.
• Ensure that the DVI and/or
RGBHV outputs from the
DHD Controller are
properly connected to the
video inputs on the
VX-40d/-50d/-60d/-80d
(see Figure 3-8).
• Choose the correct input
source on the projector
(refer to Selecting the
Input Source on
page 36).
• Set the Display Device
input source to DVI/HDMI
or use a different input on
the DHD Controller for the
encrypted source material.