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Maintenance and Care
Appendix
Troubleshooting
Before calling your dealer or service center for assistance, check the items below once again.
–  Make  sure  you  have  properly  connected  the  projector  to  peripheral  equipment  as  described  on 
pages14-16.
–  Make sure all equipment is connected to AC outlet and the power is turned on.
–  When you operate the projector with a computer and it does not project an image, restart the computer.
–  Solutions
  Problem
 
  No power 
–  Plug the power cord of the projector into the AC outlet.
–  See if the POWER indicator lights red.
–  Wait  until  the  POWER  indicator  stops  blinking  to  turn  on  the 
projector again.  The projector can be turned on after the POWER 
indicator turns red. (See page 18.)
–  Check  the  WARNING  TEMP.  indicator.    If  the  WARNING  TEMP. 
indicator lights red, the projector cannot be turned on. 
    (See page 63.)
–  Check the projection lamp. (See page 60.)
–  Unlock the Key lock function. (See page 53.)
– See if the filter cartridge is inserted.
  The initial display is not shown . 
–  Make sure "Off" or "Countdown off" are not chosen at Display
  function.(see page 47)
  The initial display is not same as  
the default set .
–  Make  sure  "User"  or  "Off"  are  not  chosen  at  Logo  (select)  as  the 
default set. (see page 48)
Input signal switches 
automatically . (or does not  
switch automatically)
–  Make  sure  Input  search  function  is  adjusted  properly.  (See  page 
46)
  Image is out of focus 
–  Adjust the focus of the projector. (See page 22.)
–  Provide  proper  distance  between  the  projector  and  the  projection 
screen. (See page 13.)
–  Check the lens cover to see if it needs cleaning. (See page 64.)
–  Moving  the  projector  from  a  cool  to  warm  place  may  result  in 
moisture condensation on the projection lens.  If this occurs, leave 
the projector off and wait until condensation evaporates.
  No image 
–  Check  the connection  between  your  computer  or video  equipment 
and the projector. (See pages 14-16.)
–  See  if  the  input  signal  is  correctly  output  from  your  computer. 
For  some  laptop  computers,  you  may  need  to  change  the  setting 
for  the  monitor  output  when  connecting  to  a  projector.  See  your 
computer’s instruction manual for the setting.
–  It  takes  about  30  seconds  to  display  an  image  after  turning  on 
the  projector.  See  if  the  selected  system  is  corresponding  to  your 
computer or video equipment. (See pages 27 and 39.)
–  Select  a  correct  input  source  once  again  through  menu  operation. 
(See pages 25,26, 37 and 38.)
–  Make  sure  the  temperature  is  not  out  of  the  specified  operating 
temperature (41°F ~ 95°F[5°C ~ 35°C]).