Panasonic PT-EW630U - Manual (Page 98)

98
- ENGLISH
Maintenance
Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem Cause
Reference
page
Power does not turn
on.
The power cord may not be connected. z —
No electric supply is at the wall outlet. z —
The circuit breakers have tripped. z —
I z s the <LAMP> indicator, <ON(G)/STANDBY(R)> indicator, or <TEMP>
indicator lit or blinking?
37, 90-93
The lamp cover has not been securely installed. z 97
No picture appears.
The video signal input source may not be connected to a terminal z
properly.
35
The input selection setting may not be correct. z 42
The [Brightness] adjustment setting may be at the minimum setting. z 56
The input source which is connected to the projector may have a z
problem.
—
The [Shutter] function may be in use. z 42
The picture is fuzzy.
The lens focus may not have been set correctly. z 41
The projector may not be at the correct distance from the screen. z 27
The lens may be dirty. z 15
The projector may be tilted too much. z
The lens cap is still attached to the lens. z
—
17
The color is pale or
grayish.
[Color] or [Tint] adjustment may be incorrect. z 56
The input source which is connected to the projector may not be z
adjusted correctly.
—
Computer cable is damaged. z —
No sound from the
internal speaker
The input terminals may not have been correctly connected. z 35
The volume may have been set to the minimum level. z 43, 62
The [Shutter] function may have been turned on. z 42
When the AUDIO OUT is plugged-in, the projector's built-in speaker is
z
not available.
23
The [Mute] function may have been turned on. z
Check the Build-in SP function. z
43, 62
62
The remote control
does not operate.
The batteries may be weak. z —
The batteries may not have been inserted correctly. z 24
The remote control signal receptor on the projector may be obstructed. z 19
The remote control unit may be out of the operation range. z 19
Strong light such as fluorescent shine onto the signal receptor. z 19
When different codes are set on the projector and on the remote contro z l .
Check if the ON/OFF switch on the remote control is set to “ON.” z
Make sure that the simple mode in the remote control function is set to z
[Off].
67
—
67
The control buttons
of the projector do
not operate.
The side control is not available if the side control is locked at [Key lock]
z
under [Security] of [Setting] section.
69