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Maintenance and Troubleshooting
78 CineWall™ Installer/Integrator Manual
PRE
L
IMINAR
Y
Isolating Faulty Parts If you suspect that a part may be faulty, replace it with a known-good one if available. This
is a very effective way to find a problem. If the problem goes away, the original part was at
fault.
If the problem persists, you haven’t found the problem yet, but you have learned
something: the original part was not the problem. Re-install it and try something else.
If the Lamp Won’t Light: Check to make sure the lamp is actually not lit. If the lamp is
lit, you can usually see light come through spaces between parts if you look carefully.
Many things can make the screen black, even though the lamp is lit:
• The Curtain may be on. If the curtain is black and it is on, the screen will be black.
• There is no source picture. With no valid picture coming in, the display will be black.
• There is something blocking the light to the screen. Is the lens cap on?
• There are parts missing in the optical path. If someone was working on the display,
maybe he or she forgot to put something back in.
If the lamp is not lit:
• The CineWall may not be receiving AC power. Check the main AC switch on the
display. It should be lit.
• The lamp ballast may not be receiving power. Some displays have a green LED near
the main AC switch that lights when the 380-volt part of the power supply is working. It
should be lit. Other displays may have an LED on the electronics module to show when
this high voltage power is available.
• If the lamp is OK, try swapping the ballast in the same way. The lamp ballast provides
power to the lamp. It is an electronic part, and all electronic parts are eventually subject
to failure.
Engine Status Optical engine
OK
Optical engine
fault or commu-
nication failure
Ballast Status Lamp off Lamp on Ballast fault or
communication
failure
Fan-Lamp
Fan off Fan is running
Fan failed
recently but is
now running
Fan failedFan-DMD
Fan-System
Table 6-1. CineWall Status LED Indications (continued)
LED Name
When the LED is...
Off Green Amber Red
➤
Always turn off the AC power and remove the power cord before
working inside the display and before removing a lamp.
WARNING