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Troubleshooting
ENGLISH - 107
Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problem
Points to be checked
Page
Power does not turn
on.
z
Is the power plug firmly inserted into an outlet?
―
z
Is the <MAIN POWER> switch turned <OFF>?
38
z
Is the wall outlet supplying electricity?
―
z
Have the circuit breakers tripped?
―
z
Is the lamp indicator <LAMP> or the temperature indicator <TEMP>
illuminating or flashing?
97, 98
z
Is the lamp unit securely installed?
104
No picture appears.
z
Is the connection to the picture (output) device correct?
32
z
Is the input selection setting correct?
42
z
Is the [BRIGHTNESS] adjustment setting at a minimum?
49
z
Is the external device that is connected to the projector working
properly?
―
z
Is the AV mute function in use?
41
z
Is the lens cover still attached to the lens?
37
The picture is fuzzy.
z
Is the lens focus set correctly?
39
z
Is the projection distance appropriate?
26
z
Is the lens dirty?
17
z
Is the projector installed perpendicular to the screen?
―
The color is pale or
grayish.
z
Is [COLOR] adjusted correctly?
49
z
Is [TINT] adjusted correctly?
49
z
Is the device connected to the projector adjusted correctly?
32
Audio is not output.
z
Is the <AUDIO IN> terminal connected correctly?
23
z
Is the volume adjusted at a minimum?
43
z
Is the AV mute function used?
41
z
Check [AUDIO IN SELECT] in [AUDIO SETTING].
72
The remote control
does not operate.
z
Are the batteries depleted?
―
z
Is the polarity of the batteries set correctly?
24
z
Are there any obstructions between the remote control and the
projector’s remote control signal receiver?
21
z
Is the remote control being used beyond its effective operation range?
21
z
Are other forms of light, such as fluorescent lights, affecting the
projection?
21
z
Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE
SETUP] set to [DISABLE]?
77
z
Is the ID number setting operation correct?
24