Troubleshooting - BenQ TK951ST+ User Manual

Troubleshooting

The projector does not turn on.
There is no power from the power cord.
Attempting to turn the projector on again during
the cooling process.
No picture
The video source is not turned on or connected
correctly.
The projector is not correctly connected to the
input signal device.
The input signal has not been correctly selected.
Blurred image
The projection lens is not correctly focused.
The projector and the screen are not aligned
properly.
Remote control does not work.
The batteries are out of power.
There is an obstacle between the remote control
and the projector.
You are too far away from the projector.
The password is incorrect.
You do not remember the password.
Cause
Cause
Cause
Cause
Cause
Plug the power cord into the AC power jack on the
projector, and plug the power cord into the power outlet. If
the power outlet has a switch, make sure that it is switched
on.
Wait until the cooling down process has completed.
Turn the video source on and check that the signal cable is
connected correctly.
Check the connection.
Select the correct input signal with the
Adjust the focus of the lens using the focus ring.
Adjust the projection angle and direction as well as the
height of the projector if necessary.
Replace both of the batteries with new ones.
Remove the obstacle.
Stand within 8 meters (26 feet) of the projector.
See Entering the password recall procedure on page
Remedy
Remedy
SOURCE key.
Remedy
Remedy
Remedy
Troubleshooting
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