Benq PE8700 Manuel D’Utilisation
6. Additional Information
BenQ PE8700 User’s Manual
25
Troubleshooting
11. Put on the front
lamp cover.
12. Tighten the screws
on front lamp cover.
13. Turn the power on and go into Environment menu to
reset the "Lamp Timer" item.
Problem
Cause
Remedy
This projector does
not turn on.
not turn on.
There is no power from the power
cable.
cable.
Plug the power cord into the AC inlet on the
rear of the projector, and plug the power cord
into to the power outlet.
rear of the projector, and plug the power cord
into to the power outlet.
The power switch is not in the on
position.
position.
Put the power switch in the on position.
Turn the projector on again during the
cooling process.
cooling process.
Wait this unit complete the cooling down
procedure.
procedure.
Front lamp cover is not attached well.
Correctly attach the front lamp cover.
No picture.
The front lamp cover has not been
attached securely.
attached securely.
Correctly attach the front lamp cover.
The projector is not correctly
connected to the input source device.
connected to the input source device.
Check the connection.
The input signal has not been correctly
selected.
selected.
Selects the correct input signal with the INPUT
key on the remote control unit.
key on the remote control unit.
The input signal has not been correctly
selected in the "INPUT SOURCE" item
in the DISPLAY menu.
selected in the "INPUT SOURCE" item
in the DISPLAY menu.
Select the correct input signal.
POWER LED or LAMP LED flashing.
Please contact your BenQ dealer for
assistance.
assistance.
Image is unstable.
The connection cables are not
connected to this unit.
connected to this unit.
Correctly connect the cables to the
appropriate terminals.
appropriate terminals.
Picture is blurred.
The projection lens is not correctly
focused.
focused.
Adjust the focus of projection lens with the
focus ring.
focus ring.
The projector and the screen are not
aligned properly.
aligned properly.
Adjust the projection angle and direction as
well as the height of this unit if necessary.
well as the height of this unit if necessary.
Remote control does
not work correctly
not work correctly
The batteries are out of power.
Replace both batteries with new ones.
LAMP LED flashes red.
The front lamp cover is not correctly
attached.
attached.
Correctly attach the front lamp cover.
The cooling fan is not working
properly.
properly.
Please contact your BenQ dealer for
assistance.
assistance.
The temperature inside the projector
is extremely high.
is extremely high.
Check that the ventilation holes are not
blocked.
blocked.
POWER LED flashed
orange and green
sequentially.
orange and green
sequentially.
The lamp has exceeded its specified
usage time.
usage time.
Replace the lamp with a new one.
The lamp has burned out.
Replace the lamp with a new one.