Chapter 6
Maintenance — Troubleshooting
ENGLISH - 245
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>?
66
f
Is the wall outlet supplying electricity?
―
f
Have the circuit breakers tripped?
―
f
Is the light source indicator <LIGHT> blinking?
239
f
Is the temperature indicator <TEMP> lit or blinking?
240
No image appears.
f
Are connections to external devices correctly performed?
48
f
Is the input selection setting correct?
67
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
85
f
Is the external device that is connected to the projector working properly?
―
f
Is the shutter function in use?
74, 121
f
Is the projection lens attached correctly?
45
f
Is the lens cover still attached to the lens?
56
Image is fuzzy.
f
Is the lens focus set correctly?
68
f
Is the projection distance appropriate?
38
f
Is the lens dirty?
25
f
Is the projector installed perpendicular to the screen?
―
Color is pale or grayish.
f
Are [COLOR] and [TINT] adjusted correctly?
86
f
Is the external device connected to the projector adjusted correctly?
―
Remote control does not
respond.
f
Are the batteries depleted?
―
f
Is the polarity of the batteries set correctly?
34
f
Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
30
f
Is the remote control being used beyond its effective operation range?
30
f
Are other forms of light, such as fluorescent light, affecting the projection?
30
f
Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
161
f
Is the <REMOTE 1 IN> terminal used for contact control?
263
f
Is the ID number setting operation correct?
76
Menu screen does not
appear.
f
Is the on-screen display function turned off (hidden)?
74
Buttons on the control
panel do not operate.
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
161
f
Is the <REMOTE 1 IN> terminal used for contact control?
263
Image does not display
correctly.
f
Is [SYSTEM SELECTOR] set properly?
92
f
Is there a problem with the external device to output images?
―
f
Is a signal which is not compatible with the projector being input?
268
f
Are the settings for [HDMI IN], [DIGITAL LINK IN], and [SDI IN] made correctly?
―
Image from a computer
does not appear.
f
Is the cable too long?
―
f
Is the external video output on the laptop computer set correctly? (Ex.: The external
output settings may be switched by pressing the “Fn” + “F3” keys or the “Fn” + “F10”
keys simultaneously. This will differ depending on the model of the computer. Refer
to the user manual provided with your computer.)
―
Image from HDMI
compatible device does
not appear or is disrupted.
f
Is the HDMI cable connected securely?
48
f
Turn the power of the projector and the external device off and on.
―
f
Is a signal which is not compatible with the projector being input?
268
Lens shift cannot be
adjusted.
f
Perform [LENS CALIBRATION].
130
Cannot control the
projector with Art‑Net.
f
Are the connections between the twisted-pair-cable transmitter and an external
device, and between the twisted-pair-cable transmitter and projector correctly done?
―
f
Is [Art-Net SETUP] set to other than [OFF]?
175
f
Are [NET], [SUB NET], [UNIVERSE], and [START ADDRESS] set correctly?
175