User`s guide

Clarity Visual Systems
November 1998
64
Normal Power-Up
Sequence
Sequence Note Failure Symptoms At This Part Of
The Sequence
1. Attach acceptable AC
power to display
Verify that 115V/230V
switch is set to the
appropriate voltage
!
2. Turn on main power
switch
T
he main power switch is
located on the back of the
display, next to the
connector that the AC
power cord plugs into
.
3. Electronics go into
standby mode
STBY LED comes on for a
few seconds and then
flashes for 3 minutes
The status LED’s are
located on the rear
connector panel
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
4. VideoWall is in a ready
state waiting for an
ON command
STBY LED stays on solid
LAMP and FAN LED’s are
off
If Auto On is enabled in the
Misc Control menu, the
display will attempt to turn
on automatically
5. When the display
receives an ON
command the fans
turn on and the lamp
ignites
Buzzer will beep once
Fan turns on
FAN and LAMP LED’s 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
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 LED’s are on
Press the POWER button on the connector
panel or cycle power to the display
Contact your service provider