Chapter 5
Maintenance — Troubleshooting
164 - ENGLISH
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>?
57
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?
157
f
Is the lamp unit cover attached?
162
No image appears.
f
Are connections to external devices correctly performed?
49
f
Is the input selection setting correct?
62
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
71
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?
55
Image is fuzzy.
f
Is the lens focus set correctly?
58
f
Is the projection distance appropriate?
33
f
Is the lens dirty?
19
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?
49
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?
29
f
Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
25
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]?
131
f
Is the <REMOTE 2 IN> terminal used for contact control?
176
f
Is the ID number setting operation correct?
29
Menu screen does not
appear.
f
Is the on-screen display function turned off (hidden)?
101
Buttons on the control
panel do not operate.
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
131
f
Is the <REMOTE 2 IN> terminal used for contact control?
176
Image does not display
correctly.
f
Is the [SYSTEM SELECTOR] selection set correctly?
76
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?
178
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 on the laptop computer set correctly? (Ex.: The
external output settings may be switched by pressing “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] or [EDID2:PC]?
98
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.
98
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f
Is the HDMI cable connected securely?
49
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?
178
Cannot control the
projector with Art-Net.
f
Are the connections between the twisted-pair-cable transmitter and the projector or
an external device correctly done?
―
f
Is the [Art-Net] setting [ON]?
136
f
Are the [PORT ADDRESS] and [START ADDRESS] settings correct?
136