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Lenovo C500 Benutzerhandbuch

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Problem
 
Solution
 
There
 
is
 
no
 
light
 
from
 
the
 
projector
 
v
   
Check
 
that
 
the
 
power
 
cable
 
is
 
securely
 
connected.
 
v
   
Ensure
 
the
 
power
 
source
 
is
 
good
 
by
 
testing
 
with
 
another
 
electrical
 
device.
 
v
   
Restart
 
the
 
projector
 
in
 
the
 
correct
 
order
 
and
 
check
 
that
 
the
 
Power
 
LED
 
is
 
green.
 
v
   
If
 
you
 
have
 
replaced
 
the
 
lamp
 
recently,
 
try
 
resetting
 
the
 
lamp
 
connections.
 
Make
 
sure
 
the
 
lamp
 
cover
 
is
 
flush
 
with
 
the
 
projector
 
case
 
when
 
closed.
 
v
   
Replace
 
the
 
lamp
 
module.
 
See
 
v
   
Put
 
the
 
old
 
lamp
 
back
 
in
 
the
 
projector
 
and
 
have
 
the
 
projector
 
serviced.
 
The
 
lamp
 
goes
 
off.
 
v
   
Power
 
surges
 
can
 
cause
 
the
 
lamp
 
to
 
turn
 
off.
 
Press
 
the
 
Power
 
button
 
twice
 
to
 
turn
 
off
 
the
 
projector.
 
When
 
the
 
Lamp
 
Ready
 
LED
 
is
 
on,
 
press
 
the
 
Power
 
button.
 
v
   
Replace
 
with
 
a
 
new
 
lamp
 
module.
 
See
 
v
   
Put
 
the
 
old
 
lamp
 
back
 
in
 
the
 
projector
 
and
 
have
 
the
 
projector
 
serviced.
 
The
 
projector
 
does
 
not
 
respond
 
to
 
the
 
remote
 
control.
 
v
   
Direct
 
the
 
remote
 
control
 
towards
 
the
 
front
 
or
 
rear
 
remote
 
sensors
 
on
 
the
 
projector.
 
v
   
Ensure
 
the
 
path
 
between
 
remote
 
and
 
sensor
 
is
 
not
 
obstructed.
 
v
   
Turn
 
off
 
any
 
fluorescent
 
lights
 
in
 
the
 
room.
 
v
   
Check
 
the
 
battery
 
polarity.
 
v
   
Replace
 
the
 
batteries.
 
v
   
Turn
 
off
 
other
 
Infrared-enabled
 
devices
 
in
 
the
 
vicinity.
 
v
   
Have
 
the
 
remote
 
control
 
serviced.
 
There
 
is
 
no
 
sound.
 
v
   
Adjust
 
the
 
volume
 
on
 
the
 
remote
 
control.
 
See
 
v
   
Adjust
 
the
 
volume
 
of
 
the
 
audio
 
source.
 
v
   
Check
 
the
 
audio
 
cable
 
connection.
 
v
   
Test
 
the
 
source
 
audio
 
output
 
with
 
other
 
speakers.
 
v
   
Have
 
the
 
projector
 
serviced.
 
The
 
sound
 
is
 
distorted.
 
v
   
Check
 
the
 
audio
 
cable
 
connection.
 
v
   
Test
 
the
 
source
 
audio
 
output
 
with
 
other
 
speakers.
 
v
   
Have
 
the
 
projector
 
serviced.
  
Projector
 
LEDs
 
The
 
LEDs
 
on
 
top
 
of
 
the
 
projector
 
indicates
 
the
 
state
 
of
 
the
 
projector
 
and
 
can
 
help
 
you
 
troubleshoot.
 
 
LED
 
Status/#
 
of
 
Flashes
 
Description
 
Ready
 
Flashing
 
Lamp
 
not
 
ready
 
-
 
do
 
not
 
press
 
the
 
power
 
button
 
1
 
Blower
 
fan
 
error
 
2
 
Optical
 
fan
 
error
 
3
 
Lamp,
 
ballast,
 
power
 
or
 
internal
 
fan
 
error
 
 
B-2
 
Lenovo
 
C500
 
Projector
 
User’s
 
Guide