Others
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?