Appendix; Troubleshooting - Christie lhd700 User Manual

Before calling your dealer or service center for assistance, check the items below once again.
1. Make sure you have properly connected the projector to peripheral equipment as described on pages
20-21.
2. Check the cable connection. Make sure that all computers, video equipment, and power cords are
properly connected.
3. Make sure that all power is switched on.
4. If the projector still does not produce an image, restart your computer.
5. If an image still does not appear, disconnect the projector from your computer and check your computer
monitor's display. A problem may be noticed with your graphics controller rather than with the projector.
(When you reconnect the projector, be sure to turn the computer and monitor off before you turn on the
projector. Turn on equipment in the order of the projector and computer.)
6. If a problem still persists, check the following solutions.
Problem:
No power .
PIN code dialog box
appears at start-up .
The initial display is
not shown .
The initial display is
not same with the
default one .
When the projector is
on and you press the
input button, an icon
other than the Lamp
mode icon appears .
An icon other than
Input mode or Lamp
mode icon appears .
No image .
appears on the screen
78
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Appendix

Troubleshooting

Solutions
– Plug the power cord of the projector into the AC outlet.
– Wait until the POWER indicator stops blinking to turn on the projector again. (See
page 23)
– Check the WARNING TEMP. indicator. If the WARNING TEMP. indicator is blinking,
the projector cannot be turned on. (See page 77)
– Unlock the Key lock function for the projector. (See page 65)
– See if the filter cartridge is inserted. (See page 72)
– Check the projection lamp. (See pages 74-75)
– PIN code lock is being set. Enter a PIN code; the "1234" or numbers you have set.
(See pages 23, 65-66)
– Make sure Off or Countdown Off is not chosen at Display function.
(See "Setting" section on page 54)
– Make sure User or Off is not chosen at Logo select function.
(See "Setting" section on page 54)
– That is the Filter warning icon. (See page 71)
– That is the Lamp replacement icon or the Filter warning icon. (See pages 71, 74)
– Check the connection between your computer or video equipment and the projector.
– See if the input signal is correctly output from your computer. Some laptop
computers may need to be changed the setting for monitor output when connected to
the projector. See your computer's instruction manual for the setting.
– It takes about 30 seconds to display an image after turning on the projector.
– See if the selected system is corresponding with your computer or video equipment.
– Select correct input source once again through menu operation. (See pages 29-34)
– Make sure the temperature is not out of Operating Temperature (41˚F–104˚F
[5˚C–40˚C]).
– Make sure that the shutter is opened. (pp.27, 67)
– End of lamp life is approaching. Replace the lamp with a new one promptly. (See
page 74)
LHD700 User Manual
020-000422-01 Rev.1 (11-2011)