Epson Projector L1100U User Manual

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2. Slide the air filter cover latch and open the air filter cover.
3. Pull the air filter out of the projector.
Note: Air filters contain polypropylene. Dispose of used air filters according to local regulations.   
						

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4. Place the new air filter in the projector as shown and push gently until it clicks into place.
5. Attach the air filter cover as shown, and press it gently until it clicks into place.
Parent topic:
Air Filter and Vent Maintenance
Related references
Projector Light Status
Optional Equipment and Replacement Parts   
						

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Replacing the Remote Control Batteries
The remote control uses two AA manganese or alkaline batteries. Replace the batteries as soon as they
run out.
Caution:Use only the type of batteries specified in this manual. Do not install batteries of different types,
or mix new and old batteries.
1. Remove the battery cover as shown.
2. Remove the old batteries.
Warning: If the battery fluid has leaked, wipe it away with a soft cloth and avoid getting the fluid on
your hands. If it gets on your hands, wash them immediately to avoid injury.  
						

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3. Insert the batteries with the
+and –ends facing as shown.
4. Replace the battery cover and press it down until it clicks into place. Warning: Dispose of used batteries according to local regulations. Do not expose batteries to heat
or flame. Keep batteries out of the reach of children; they are choking hazards and are very
dangerous if swallowed.
Parent topic: Projector Maintenance   
						

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Transporting the Projector
The projector contains precision parts, some of which are glass. Follow the guidelines here to transport,
ship, or store the projector safely.
Caution:Use two or more people to unpack or lift the projector.
1. Remove any equipment connected to the projector.
2. Do one of the following: • If you are using the standard zoom lens, keep it installed on the projector. Move the lens to thehome position and attach the protective lens pad that was included with the projector.
• If you are using an optional lens, remove it from the projector.
• If the projector did not come with a lens, attach the cover that was included with the projector to the lens mount.
3. Do one of the following: • When transporting the projector a long distance or as checked luggage, pack it in a firm box withcushioning around it and mark the box Fragile.
• When shipping the projector for repairs, place it in its original packing materials, if possible, or use equivalent materials with cushioning around the projector. Mark the box Fragile.
Note: Epson shall not be liable for any damages incurred during transportation.
Parent topic: Maintaining and Transporting the Projector
Related tasks
Attaching a Lens
Removing a Lens
Adjusting the Image Position Using Lens Shift 
						

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Solving Problems
Check the solutions in these sections if you have any problems using the projector.
Projection Problem Tips
Projector Light Status
Viewing the Status Display
Using the Projector Help Displays
Solving Image or Sound Problems
Solving Projector or Remote Control Operation Problems
Solving Network Problems
Where to Get Help
Projection Problem Tips If the projector is not working properly, try turning it off and unplugging it. Then plug it back in and turn it
on.
If this does not solve the problem, check the following:
• The lights on the projector may indicate what the problem is.
• The Help option on the Home screen can display information about common problems, if the projectoris operating.
• The solutions in this manual can help you solve many problems.
If none of these solutions help, you can contact Epson for technical support.
Parent topic: Solving Problems 
						

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Projector Light Status
The lights on the projector indicate the projector status and let you know when a problem occurs. Check
the status and color of the lights and look for a solution in the table here.
1 On/Standby (power) light
2 Status light
3 Laser light
4 Temp (temperature) light
5 Filter light
On/Standby
(power) light Status
lightLaser
lightTemp light Filter
lightStatus and solution
Blue Blue Varies Off Off Normal operation.
Blue Blue Flashing blueOff
Off A/V Mute is on.
Blue Flashing blueVaries Off
Off Warming up. Wait for an image to
appear.
Blue Off Off Off Off Standby or network monitoring and
control (when Standby Mode is set
to Communication On).  
						

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On/Standby
(power) light
Status
lightLaser
lightTemp light Filter
lightStatus and solution
Flashing blue Off Off Off Off Preparing network monitoring. (Wait
for the light to remain orange before
unplugging the projector.)
Blue Flashing blueOff Off
Off Cooling down. All buttons are
disabled.
Flashing blue Varies Varies Flashing orangeVaries High temperature warning. If the
temperature gets too high, projection
will automatically stop.
• Make sure that the vents and airfilter are not clogged with dust or
obstructed by nearby objects.
• Clean or replace the air filter.
Off Flashing
blueOrange Orange Off Lens Shift error. Turn off the
projector, unplug it from the electrical
outlet, and contact Epson for help
Off Flashing
blueFlashing
orangeOff
Off Internal error. Turn off the projector,
unplug it from the electrical outlet,
and contact Epson for help. 
						

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On/Standby
(power) light
Status
lightLaser
lightTemp light Filter
lightStatus and solution
Off Flashing
blueOff Orange Off Projector is too hot (overheating) and
projection stops. Leave it for about
five minutes to cool down.
• Make sure that the vents and airfilter are not clogged with dust or
obstructed by nearby objects.
• Clean or replace the air filter.
• Make sure the environmental temperature is not too hot.
• If operating the projector at high altitude, turn on High Altitude
Mode.
• If the problem persists, unplug the projector and contact Epson for
help.
Off Flashing
blueOrange Off
Off Laser has a problem.
• Make sure that the vents and airfilter are not clogged with dust or
obstructed by nearby objects.
• Clean or replace the air filter.
• If the problem persists, unplug the projector and contact Epson for
help.
Varies Varies Varies Varies Flashing orangeIt is time to clean the air filter. 
						

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On/Standby
(power) light
Status
lightLaser
lightTemp light Filter
lightStatus and solution
Off Flashing
blueOff Off
Orange Low air flow through the projector.
• Make sure that the vents and airfilter are not clogged with dust or
obstructed by nearby objects.
• Clean or replace the air filter.
• If the problem persists, unplug the projector and contact Epson for
help.
Flashing blue Varies Varies Varies Orange Low air flow through the air filter. • Make sure that the vents and airfilter are not clogged with dust or
obstructed by nearby objects.
• Clean or replace the air filter.
• If the problem persists, unplug the projector and contact Epson for
help.
Off Flashing
blueOff Flashing
orange Off A fan or sensor has a problem. Turn
the projector off, unplug it, and
contact Epson for help.
Flashing blue Varies Flashing orangeVaries Varies Laser has a problem. Turn the
projector off, unplug it, and contact
Epson for help.
Flashing blue Varies Flashing orangeVaries Varies An unsupported lens is attached (Pro
L1500U/L1505U). Make sure your
lens is supported.
Note: If the lights display a pattern not listed in the table above, turn the projector off, unplug it, and
contact Epson for help.
Parent topic: Solving Problems
Related concepts
Air Filter and Vent Maintenance