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46
Before calling service personnel
If you think something is wrong, check the followings before contacting customer service.
Please see “Trouble indications” (
p.45) as well.
If This Happens Check
No power • Is the safety lock on? (See
p.18)
• Is the power cord plugged in? Is it connected to the projector?
• Is the lamp cover loose? (See p.44)
• Is the lamp correctly mounted? (See
p.42)
Power goes out during use • Is the ambient temperature high? (See p.45.)
• Is the air filter clogged? (See
p.45.)
• Is the air intake or air exhaust blocked? (See
p.45.)
• Was the lamp timer reset after the lamp was replaced? (See
p.44)
• Was no signal being input for 10 minutes? (See
p.21)
No picture • Is a wrong input selected? (See p.21.)
• Is the Sleep function on? (See
p.26.)
• Is the brightness setting minimized? (See
p.32.)
• Are the connections set up correctly? (See
p.15, 16.)
• Are all the connected devices functioning properly?
No audio • Is the mute function on? (See p.26.)
• Is the volume setting minimized? (See
p.21.)
• Are the connections set up correctly? (See
p.15, 16.)
• Are all the connected devices functioning properly?
Picture not displayed correctly • Is the input signal supported by the projector? (See p.48, 49.)
• Is the correct video mode selected? (See
p.33.)
• Is the correct signal format selected? (See
p.33.)
• Are there any problems with the signal source such as the video tape?
Picture blurred • Is the lens dirty? (See p.41.)
Part of picture out of focus • Is the lens focus adjusted optimally? (See
p.20.)
• Is the projection distance within the projector's supported range?
(See p.14.)
• Is the projector or its screen placement angle tilted too far? (See
p.14.)
• Is the sharpness or sampling phase misadjusted? (See
p.32, 33.)
Image is dark • Is the brightness or contrast misadjusted? (See p.32.)
• Is the lamp approaching the end of its service life? (See
p.36.)
Colors too light • Are the color, tint, R-gain, G-gain, or B-gain misadjusted? (See p.32.)
Bad shading • Is the screen dirty?
• Is the lamp approaching the end of its service life? (See p.36.)
Remote control doesn’t work • Are the remote control's batteries drained?
• Are the batteries inserted into the remote control correctly? (See
p.13.)
• Is the remote control being used within the effective range? (See
p.13.)
• Are there any obstructions between the remote control and projector?
• Are there any fluorescent or other bright lights shining at the projector’s
infrared remote sensor?