Filter
Top Products
Chapter 5 Maintenance — Troubleshooting
ENGLISH - 163
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems Points to be checked Page
Power does not turn on.
f Is the power plug rmly inserted into the outlet? ―
f Is the <MAIN POWER> switch set to <OFF>? 55
f Is the wall outlet supplying electricity? ―
f Have the circuit breakers tripped? ―
f Are the lamp indicator <LAMP1>/<LAMP2> or the temperature indicator <TEMP> lit
or ashing?
155
f Is the lamp unit cover attached? 161
No image appears.
f Are connections to external devices correctly performed? 48
f Is the input selection setting correct? 62
f Is the [BRIGHTNESS] adjustment setting at a minimum? 72
f Is the external device that is connected to the projector working properly? ―
f Is the shutter function in use? 61
f If the power indicator <ON (G)/STANDBY (R)> is ashing in red, consult your
dealer.
―
f Is the lens cover still attached to the lens? 53
Image is fuzzy.
f Is the lens focus set correctly? 56
f Is the projection distance appropriate? 32
f Is the lens dirty? 18
f Is the projector installed perpendicular to the screen? ―
Color is pale or grayish.
f Is [COLOR] or [TINT] adjusted correctly? 72
f Is the external device connected to the projector adjusted correctly? 48
f Is the RGB cable damaged? ―
Remote control does not
respond.
f Are the batteries depleted? ―
f Is the polarity of the batteries set correctly? 28
f Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
24
f Is the remote control being used beyond its effective operation range? 25
f Are other forms of light, such as uorescent light, affecting the projection? 25
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
132
f Is the <REMOTE 2 IN> terminal used for contact control? 173
f Is the ID number setting operation correct? 28
Menu screen does not
appear.
f Is the on-screen display function turned off (hidden)? 102
Buttons on the control
panel do not operate.
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
132
f Is the <REMOTE 2 IN> terminal used for contact control? 173
Image does not display
correctly.
f Is the [SYSTEM SELECTOR] selection set correctly? 77
f Is there a problem with the video tape or other image sources? ―
f Is a signal which is not compatible with the projector being input? 175
Image from a computer
does not appear.
f Is the cable too long? (Use D-Sub cables that are 10 m (32'10") or shorter.) ―
f Is the external video output of the laptop computer set correctly? (Ex.: The external
output settings may be switched by pressing the “Fn” + “F3” or “Fn” + “F10”
simultaneously. Since the method varies depending on the computer type, refer to
the user manual provided with your computer.)
―
Image output from DVI-D
of the computer does not
appear.
f Is the [DVI-D IN] setting [EDID3]/[EDID2:PC]? 100
f The graphics accelerator driver of the computer may need to be updated to the
latest version.
―
f The computer may need to be restarted after performing the [DVI-D IN] setting. 100
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f Is the HDMI cable connected securely? 48
f Turn the power of the projector and the external device on and off. ―
f Is a signal which is not compatible with the projector being input? 175
3D function is not working.
f Is the [3D INPUT FORMAT] setting of [3D SETTINGS] correct? 92
f Check the 3D eyewear settings. ―
f Is a signal which is supported by the projector being input? 177