Chapter 5 Maintenance — Troubleshooting

Troubleshooting

Review the following points. For details, see the corresponding pages.

Problems

Points to be checked

Page

 

ff Is the power plug firmly inserted into the outlet?

―

 

ff Is the <MAIN POWER> switch set to <OFF>?

50

 

ff Is the wall outlet supplying electricity?

―

Power does not turn on.

ff Have the circuit breakers tripped?

―

ff Are the lamp indicators <LAMP1>/<LAMP2>/<LAMP3>/<LAMP4> or the

 

 

141

 

temperature indicator <TEMP> lit or blinking?

 

 

 

ff Is the lamp unit and the lamp unit cover attached securely?

147

 

ff Is the power supply voltage proper (AC 200 V - 240 V)?

170

 

ff Are connections to external devices correctly performed?

43

 

ff Is the input selection setting correct?

56

 

ff Is the [BRIGHTNESS] adjustment setting at a minimum?

65

No image appears.

ff Is the external device that is connected to the projector working properly?

―

 

ff Is the shutter function in use?

55

 

ff If the power indicator <ON (G)/STANDBY (R)> is blinking in red, consult your dealer.

―

 

ff Is the lens cover still attached to the lens?

48

 

ff Is the lens focus set correctly?

51

Image is fuzzy.

ff Is the projection distance appropriate?

36

ff Is the lens dirty?

21

 

 

ff Is the projector installed perpendicular to the screen?

―

 

ff Are [COLOR] and [TINT] adjusted correctly?

65

Color is pale or grayish.

ff Is the external device connected to the projector adjusted correctly?

43

 

ff Is the RGB cable damaged?

―

 

ff Are the batteries depleted?

―

 

ff Is the polarity of the batteries set correctly?

32

 

ff Are there any obstructions between the remote control and the remote control

27

 

signal receiver of the projector?

 

 

Remote control does not

ff Is the remote control being used beyond its effective operation range?

28

respond.

ff Are other forms of light, such as fluorescent light, affecting the projection?

28

 

ff Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to

119

 

[DISABLE]?

 

 

 

ff Is the <REMOTE 2 IN> terminal used for contact control?

165

 

ff Is the ID number setting operation correct?

32

Menu screen does not

ff Is the on-screen display function turned off (hidden)?

89

appear.

 

 

Buttons on the control

ff Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to

119

[DISABLE]?

panel do not operate.

 

ff Is the <REMOTE 2 IN> terminal used for contact control?

165

 

Image does not display

ff Is the [SYSTEM SELECTOR] selection set correctly?

70

ff Is there a problem with the video tape or other image sources?

―

correctly.

ff Is a signal which is not compatible with the projector being input?

168

 

 

ff Is the cable too long? (For D‑Sub cables, the cable length should be 10 m (32'10")

―

 

or shorter.)

 

 

Image from a computer

ff Is the external video output on the laptop computer set correctly? (Ex.: The external

 

does not appear.

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

ff Is [DVI-D IN] set to [EDID3] or [EDID2:PC]?

87

ff The graphics accelerator driver of the computer may need to be updated to the

 

of the computer does not

―

latest version.

appear.

 

ff The computer may need to be restarted after performing the [DVI-D IN] setting.

87

 

Video from HDMI

ff Is the HDMI cable connected securely?

43

compatible device does

ff Turn the power of the projector and the external device off and on.

―

not appear or it appears

ff Is a signal which is not compatible with the projector being input?

168

jumbled.

Cannot control the

ff Is [Art-Net] set to [ON]?

123

projector with Art-Net.

ff Are the [PORT ADDRESS] and [START ADDRESS] settings correct?

123

150 - ENGLISH