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 firmly 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 flashing?
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 flashing 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 fluorescent 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
