Filter
Top Products
181
9. Appendix
❾ Troubleshooting Check List
Beforecontactingyourdealerorservicepersonnel,checkthefollowinglisttobesurerepairsareneededalsoby
referringtothe“Troubleshooting”sectioninyouruser’smanual.Thischecklistbelowwillhelpussolveyourproblem
moreefciently.
* Printthispageandthenextpageforyourcheck.
Frequency of occurrence □ always □sometimes(Howoften?_____________________) □ other (__________________)
Power
□
No power (POWER indicator does not light blue). See also “Status
Indicator (STATUS)”.
□
Power cord’s plug is fully inserted into the wall outlet.
□
No power even though you press and hold the POWER button.
□
The main power switch is in the “ON (I)” position.
□
Shut down during operation.
□
Power cord’s plug is fully inserted into the wall outlet.
□
[AUTO POWER OFF] is turned off (only models with the [AUTO
POWER OFF] function).
□
[OFF TIMER] is turned off (only models with the [OFF TIMER]
function).
Video and Audio
□
No image is displayed from your PC or video equipment to the
projector.
□
Still no image even though you connect the projector to the PC
first, then start the PC.
□
Enabling your notebook PC’s signal output to the projector.
• Acombinationoffunctionkeyswillenable/disabletheexter-
naldisplay.Usually,thecombinationofthe“Fn”keyalong
withoneofthe12functionkeysturnstheexternaldisplay
on or off.
□
No image (blue or black background, no display).
□
Still no image even though you press the AUTO ADJUST button.
□
Still no image even though you carry out [RESET] in the
projector’s menu.
□
Signal cable’s plug is fully inserted into the input terminal
□
A message appears on the screen.
( _____________________________________________ )
□
The source connected to the projector is active and available.
□
Still no image even though you adjust the brightness and/or
the contrast.
□
Input source’s resolution and frequency are supported by the
projector.
□
Image is too dark.
□
Remains unchanged even though you adjust the brightness
and/or the contrast.
□
Image is distorted.
□
Image appears to be trapezoidal (unchanged even though you
carry out the [KEYSTONE] adjustment).
□
Parts of the image are lost.
□
Still unchanged even though you press the AUTO ADJUST
button.
□
Still unchanged even though you carry out [RESET] in the
projector’s menu.
□
Image is shifted in the vertical or horizontal direction.
□
Horizontal and vertical positions are correctly adjusted on a
computer signal.
□
Input source’s resolution and frequency are supported by the
projector.
□
Some pixels are lost.
□
Image is flickering.
□
Still unchanged even though you press the AUTO ADJUST
button.
□
Still unchanged even though you carry out [RESET] in the
projector’s menu.
□
Image shows flickering or color drift on a computer signal.
□
Still unchanged even though you change [FAN MODE] from
[HIGH] to [AUTO].
□
Image appears blurry or out of focus.
□
Still unchanged even though you checked the signal’s resolution
on PC and changed it to projector’s native resolution.
□
Still unchanged even though you adjusted the focus.
Other
□
Remote control does not work.
□
No obstacles between the sensor of the projector and the
remote control.
□
Projector is placed near a fluorescent light that can disturb the
infrared remote controls.
□
Batteries are new and are not reversed in installation.
□
Buttons on the projector cabinet do not work (only models with the
[CONTROL PANEL LOCK] function)
□
[CONTROL PANEL LOCK] is not turned on or is disabled in
the menu.
□
Still unchanged even though you press and hold the SOURCE
button for a minimum of 10 seconds.