Runco LS-HB Projector User Manual


 
Maintenance and Troubleshooting
72 Runco LS-HB 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 LS-HB. 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 LS-HB is not plugged
in or the AC outlet is not
active.
Lamp cover is not securely
attached.
Ensure that the LS-HB is
plugged in and that the AC
outlet is active.
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 LS-HB
completes its cool-down
(POWER LED lights solid
green).
The remote control does not
work correctly.
The batteries have run out.
IR code set mismatch
between remote control
unit and projector.
Replace the batteries.
Press and hold the LIGHT
and ENTER remote
control buttons
simultaneously until the
remote control
back-lighting “blinks”
(approximately five
seconds). Then, try again.
The projector is on and OSD
menus appear, but there is no
video image on-screen.
Incorrect source selection.
Source component is not
turned on.
Source component is
connected incorrectly or
not at all.
Select the correct source.
Turn on the source.
Check cable connection
from source component to
projector.
A projected image from a
DVD is split or otherwise
scrambled.
DVD player is connected
to the Component input
and set to progressive
scan mode.
Turn off progressive scan
on the DVD player.
Image is blurred. The lens is not correctly
focused.
Adjust the focus.
Image is too bright and/or
lacks definition in the bright
areas of the image.
Contrast is set too high. Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
Brightness is set too high. Lower the brightness
setting.
Note: You can obtain more detailed information about the cause of the error condition using
RS-232 commands. Refer to RS-232 Error Codes on page 84 for more information.