Chapter 6
Maintenance — Troubleshooting
ENGLISH - 203
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 supply of the interior wiring turned on?
―
f
Is the plug of the power cord firmly inserted into the outlet?
―
f
Is the outlet where the plug of the power cord connected supplying electricity?
―
f
After executing [ALL USER DATA] in the [SETUP] menu
→
[INITIALIZE], is the
power supply of the interior wiring turned back on or the plug of the power cord
reconnected?
76
f
Is the temperature indicator <TEMP> or the light source indicator <LIGHT> lighting
or blinking?
200
No image appears.
f
Are connections to external devices correctly performed?
38
f
Is the input selection setting correct?
51, 73
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
64
f
Is the external device that is connected to the projector working properly?
―
f
Is the AV mute function in use?
52
Image is fuzzy.
f
Is the lens focus set correctly?
48
f
Is the projection distance appropriate?
35
f
Is the lens dirty?
22
Color is pale or grayish.
f
Are [COLOR] and [TINT] adjusted correctly?
64
f
Is the external device connected to the projector adjusted correctly?
38
Remote control does not
respond.
f
Are the batteries depleted?
―
f
Is the battery polarity (+, -) correct?
28
f
Is there any obstruction between the remote control and the remote control signal
receiver of the projector power supply unit?
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 ID number setting operation correct?
52
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f
Is the HDMI cable connected securely?
38
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?
215
No audio is coming from
the HDMI compatible
device.
f
Set audio of the external device to Linear PCM.
―
Operation noise occurs
during standby
f
When the [SETUP] menu
→
[ECO MANAGEMENT]
→
[STANDBY MODE] is set to
[NORMAL], the internal cooling fan may operate even during standby.
72
Attention
f
If problems persist even after checking the preceding points, consult your dealer.