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Operator’s Guide
3M
™
Super Close Projection System SCP725
© 3M 2011. All Rights Reserved.
ENGLISH
Symptom Standby Button State Possible Cause Action
The lamp will not ignite
Red
The projector is cooling
down.
Wait until the projector
completes its cooling
cycle. Once the Standby
button turns amber, you
can press the Standby
button again.
Orange
The lamp has expired Replace the Lamp and
press the Standby button
to start the projector.
The lamp ballast may
have stopped functioning.
Contact 3M for service.
Flashes RED once every
second
There is a problem with
one of the cooling fans.
Follow the maintenance
procedure on page 31 and
try starting the projector
again. If cleaning does
not resolve the problem,
contact 3M for service.
The lamp will not ignite
or has turned off.
Flashes RED twice every
second
The projector has
overheated due to elevated
ambient temperature or
altitude, or blocked air
vents.
Follow the maintenance
procedure on page 31.
Unplug the power cord
and reconnect and then
try again. If cleaning does
not resolve the problem,
contact 3M for service.
Flashes RED four times
every second
The projector’s
processor had a
communication error
due to electromagnetic
interference on the
communication cable
connecting the Control
port on the projector
and I/O module or poor
quality communication
cable.
Make sure the cable
connecting the Control
Port on the projector
to the I/O module does
not cross power cables
or other communication
cables. If it does, reroute
the cables so that they
do not cross. If the
communication cable
between the projector and
the I/O module is longer
than 4m (13 ft), consider
using the 3M I/O Module
Cable Extender P/N:
78-6972-0027-3.