37 MAINTENANCE & TROUBLESHOOTING This section
Contents
1. MAINTENANCE amp TROUBLESHOOTING This section describes how to e clean the lens e replace the projection lamp e replace the batteries in the remote e clean the fan intake filter e use the security lock feature e troubleshoot the projector Cleaning the Lens 1 Apply a non abrasive camera lens cleaner to a soft dry cloth e Avoid using an excessive amount of cleaner and don t apply the cleaner directly to the lens e Abrasive cleaners solvents or other harsh chemicals might scratch the lens 2 Lightly wipe the cleaning cloth over the lens in a circular motion 3 If you don t intend to use the projector immediately replace the lens cap Replacing the Projection Lamp The lamp hour counter in the Status menu counts the number of hours the lamp has been in use Change the lamp when the brightness is no longer acceptable You can order new lamp mod ules from your InFocus dealer See Optional Accessories on page 47 for ordering information Follow these steps to replace the projection lamp 1 Turn off the projector and unplug the power cord 2 Wait at least 30 minutes to allow the projector to cool com pletely 3 Using the special tool provided carefully depress the locking mechanism while sliding the cover forward WARNING For ceiling installation To prevent eye injury wear protective eyewear before opening the lamp door WARNING To avoid burns allow the projector to cool for at least 30 m2. the filter e Use a vacuum cleaner set on low power to remove the dust and dirt FIGURE 19 Cleaning the fan intake filter 4 Replace the filter door e Slide the door back in place 40 Using the Security Lock The projector has a security connector for use with a PC Guard ian Cable Lock System See Optional Accessories on page 47 for ordering instructions Refer to the information that came with the lock for instructions on how to use it to secure the projector Troubleshooting Problem The projector is not running Make sure that the power cord is properly connected to a fully functional AC electrical outlet Make sure that the power cord is also properly connected to the projector If the projector is plugged into a power strip make sure the power strip is plugged in and turned on Make sure the projector is turned on Problem Projector is running but nothing appears on the projection screen Make sure you have removed the lens cap on the projec tion lens at the front of the projector Make sure the lamp has not burned out See Replacing the Projection Lamp on page 37 Check the projector s lamp to ensure that it is securely connected in the lamp module Make sure the lamp door is installed See Replacing the Projection Lamp on page 37 Problem Only the start up screen displays Verify that the cables are connected correctly See page 14 for connection procedures Make su
3. ct a different computer Problem Projected colors don t match the computer or video play ers colors e Just as there are differences in the displays of different monitors there are often differences between the computer image and the projected image Adjust the brightness and tint from the Display menu See Brightness on page 27 and Tint on page 27 Problem Lamp seems to be getting dimmer e The lamp begins to lose brightness when it has been used for a long time Replace the lamp as described in Replacing the Projection Lamp on page 37 43 44 Problem Lamp shuts off e A minor power surge may cause the lamp to shut off Unplug the projector wait a minute then plug it back in e Make sure the vents are not blocked Problem The projector runs a long time after I turn it off e The projector filter may be clogged and need cleaning See Cleaning the Fan Intake Filter on page 40 The most current troubleshooting information can be found in the Service and Support section of our website at http www infocus com service You ll also find a Technical Library FAQ s and support contacts including a technical sup port e mail form Before calling your dealer or InFocus Technical Support for assis tance please have the following information available e the projector s serial number located on the bottom label e the resolution of your computer Call InFocus Technical Support at 1 800 799 9911 betwee
4. he screen Problem Image is too wide or narrow for screen e Adjust the zoom or projector placement e Adjust the resolution of your video card if it s greater than 1280x1024 Problem Image is out of focus e Turn the projection lens to focus the image e Make sure the projection screen is at least 4 8 feet 1 5m from the projector e Check the projection lens to see if it need cleaning 42 Problem Image and menus are reversed left to right e Rear projection mode is probably turned on Turn Rear Projection off in the Controls menu The image should immediately return to forward projection See Rear Project on page 33 Problem The projector displays vertical lines bleeding or spots e Adjust the brightness See Brightness on page 27 e Check the projection lens to see if it needs cleaning Problem No sound e Adjust the volume e Verify audio input connections e Adjust audio source e Make sure Mute is not selected in the audio menu Problem Image is noisy or streaked Try these steps in this order 1 Deactivate the screen saver on your computer 2 Turn Auto Image off and then back on again See Auto Image on page 30 3 Turn Auto Image off and adjust the synchronization and tracking manually to find an optimal setting See Manual Sycn on page 31 and Manual Tracking on page 31 e The problem could be with your computer s video card If possible conne
5. inutes before you open the lamp module door Never extract the lamp module while the projector is operating 37 WARNING Be extremely careful when removing the lamp module In the unlikely event that the bulb ruptures small glass fragments may be generated The lamp module is designed to contain these fragments but use caution when removing the lamp module WARNING For ceiling installation To prevent eye injury wear protective eyewear before opening the lamp door CAUTION Never operate the projector with the lamp door open or removed This disrupts the air flow and causes the projector to overheat WARNING Do not drop the lamp module or touch the glass bulb The glass may shatter and cause injury 38 4 Slide the lamp door forward and off the projector 5 Loosen the two silver non removable screws on the sides of the module FIGURE 16 Loosen the two silver screws securing the lamp to the projector 6 With the thumb and forefinger grasp the lift tabs on the mod ule and lift the lamp module up and out of the projector Dis pose of the lamp module in an environmentally proper manner FIGURE 17 Removing the lamp from the projector 7 Install the new lamp module being careful to align the con nectors properly 8 Press down on the lamp module until it snaps firmly into place 9 Tighten the screws on the outside of the module 10 Slide the lamp cover back into place 11 P
6. lug in the power cord and press the Power button to turn the projector back on 12 The lamp hours status will change automatically when the lamp module is replaced Verify that the counter was reset by pressing the menu button and viewing the counter in the sta tus window Replacing batteries in the remote The life of the batteries depends on how often and how long you use the remote Symptoms of low battery charge include erratic responses when using the remote and a reduced range of opera tion Follow these steps to replace the batteries 1 Turn the remote face down in your hand 2 Slide your fingernail under the battery cover locking device and lift it off the remote 3 Remove the old batteries and dispose of them in an environ mentally safe manner 4 Install two new AA alkaline batteries 5 Place the battery cover back onto the remote and snap it back into place NOTE Make sure the positive and negative ends of the batteries are installed in the correct direction 39 Cleaning the Fan Intake Filter The fan intake filter on the bottom of the projector catches dust and particles in the air If the filter becomes clogged the projector does not cool properly and may malfunction To prevent this clean the filter every 100 hours of use 1 Turn off the power and unplug the power cord 2 Slide the filter door forward off the bottom of the projector FIGURE 18 Removing the fan intake filter 3 Clean
7. n 6 a m and 6 p m PST Monday through Friday Service is available in North America after hours and on weekends for a fee at 1 888 592 6800 In Europe call InFocus in The Netherlands at 31 35 647 4010 between 8 a m and 6 p m Central European Time In Asia call 65 332 0659 between 9 30 a m and 5 30 p m Or send us an e mail at techsupport infocus com
8. re that the cables do not have any bent pins Verify that the proper input source is connected See page 14 for selecting a source You might need to turn everything off and power up the equipment again in the proper order Refer to your com puters documentation to determine the correct order 41 e Make sure that your laptop s external video port is turned on See the Portable and Laptop Activation Chart on page 48 or your computer s manual for details e Make sure your computer s video board is installed and configured correctly e Make sure your computer has a compatible video board The projector isn t CGA or EGA compatible If you re using Windows 98 1 Open My Computer icon the Control Panel folder and the Display icon 2 Click the Settings tab 3 Verify that the Desktop area is set to 1280x1024 or less Problem Color or text not being projected e You might need to adjust the brightness up or down until the text is visible Refer to Brightness on page 27 for additional instructions Problem The screen resolution is not right e Make sure the computer s video card is set for a resolution of no greater than 1280x1024 Problem Image isn t centered on the screen e Move the projector to reposition the image e Reposition the image using the menu Refer to Horizontal position on page 31 and Vertical position on page 31 e Be sure the projector is at a 90 degree angle to t
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