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Clarity Visual Systems
Normal Power-Up
Sequence
1. Attach acceptable AC
power to display
2. Turn on main power
switch
3. Electronics go into
standby-delay mode
4. VideoWall is in a ready
state waiting for an
ON command
5. When the display
receives an ON
command the fans
turn on and the lamp
ignites
June 1999
68
Sequence Note
Verify that 115V/230V
switch is set to the
appropriate voltage
!
T
he main power switch is
located on the back of the
display, next to the
connector that the AC
power cord plugs into
.
STBY LED comes on for a
few seconds and then
flashes for 3 minutes
The status LEDs are
located on the rear
connector panel
STBY LED stays on solid
LAMP and FAN LEDs are
off
If Auto On is enabled in the
Misc Control menu, the
display will attempt to turn
on automatically
Buzzer will beep once
Fan turns on
FAN and LAMP LEDs light
STBY LED goes off
The time that it takes for
the lamp to fire is 2
seconds times the Monitor
Unit ID setting on the rear
connector panel
Failure Symptoms At This Part Of
The Sequence
STBY LED does not come on at all
• Check the voltage at the wall outlet
• Check fuse at AC plug on Power Supply
Module
• Contact your service provider
STBY LED comes on and then goes out and
stays out
• Cover the IR window on the Electronics
Module with a piece of opaque tape to
determine if the problem is due to too
many stray IR signals
• Contact your service provider
Electronics go back into standby-delay mode
(the fans will run and the FAN LED will stay on
while in this standby mode).
Verify that the interlock switches are fully
closing.
Contact your service provider.
The lamp doesn't ignite.
Verify that the lamp power connector is
plugged in.
Replace the lamp.
Contact your service provider
All 3 LEDs are on.
Press the POWER button on the connector
panel or cycle power to the display.
Contact your service provider.
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