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 rmly 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 eective operation range? 30
f Are other forms of light, such as uorescent light, aecting 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 o (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 dier 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 o 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
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