Table of Contents
Advertisement
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Power does not turn on.
No image appears.
Image is fuzzy.
Color is pale or grayish.
Remote control does not
respond.
Menu screen does not
appear.
Buttons on the control
panel do not operate.
Image does not display
correctly.
Image from a computer
does not appear.
Image output from DVI-D
of the computer does not
appear.
Video from HDMI
compatible device does
not appear or it appears
jumbled.
Cannot control the
projector with Art-Net.
164 - ENGLISH
Chapter 5 Maintenance — Troubleshooting
f Is the power plug firmly inserted into the outlet?
f Is the <MAIN POWER> switch set to <OFF>?
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?
f Is the lamp unit cover attached?
f Are connections to external devices correctly performed?
f Is the input selection setting correct?
f Is the [BRIGHTNESS] adjustment setting at a minimum?
f Is the external device that is connected to the projector working properly?
f Is the shutter function in use?
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?
f Is the lens focus set correctly?
f Is the projection distance appropriate?
f Is the lens dirty?
f Is the projector installed perpendicular to the screen?
f Is [COLOR] or [TINT] adjusted correctly?
f Is the external device connected to the projector adjusted correctly?
f Is the RGB cable damaged?
f Are the batteries depleted?
f Is the polarity of the batteries set correctly?
f Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
f Is the remote control being used beyond its effective operation range?
f Are other forms of light, such as fluorescent light, affecting the projection?
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the ID number setting operation correct?
f Is the on-screen display function turned off (hidden)?
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the [SYSTEM SELECTOR] selection set correctly?
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?
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.)
f Is the [DVI-D IN] setting [EDID3] or [EDID2:PC]?
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.
f Is the HDMI cable connected securely?
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?
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]?
f Are the [PORT ADDRESS] and [START ADDRESS] settings correct?
Points to be checked
Page
―
57
―
―
157
162
49
62
71
―
61
―
55
58
33
19
―
72
49
―
―
29
25
25
25
131
176
29
101
131
176
76
―
178
―
―
98
―
98
49
―
178
―
136
136
Hide quick links:
Advertisement
Table of Contents
