BenQ MH534 User Manual - Page 67

Troubleshooting

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Troubleshooting The projector does not turn on. Cause Remedy There is no power from the power cable. Attempting to turn the projector on again during the cooling process. Plug the power cord into the AC inlet 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. No picture Cause Remedy 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. Turn the video source on and check that the signal cable is connected correctly. Check the connection. Select the correct input signal with the SOURCE key on the projector or remote control. Blurred image Cause Remedy The projection lens is not correctly focused. The projector and the screen are not aligned properly. Adjust the focus of the lens using the focus ring. Adjust the projection angle and direction as well as the height of the unit if necessary. Remote control does not work Cause Remedy The battery is out of power. There is an obstacle between the remote control and the projector. You are too far away from the projector. Replace the battery with new one. Remove the obstacle. Stand within 8 meters (26 feet) of the projector. The password is incorrect Cause Remedy You do not remember the password. Please see "Entering the password recall procedure" on page 32 for details. Troubleshooting 67

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Troubleshooting
67
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
The password is incorrect
Cause
Remedy
There is no power from the power
cable.
Plug the power cord into the AC inlet 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.
Attempting to turn the projector on
again during the cooling process.
Wait until the cooling down process has
completed.
Cause
Remedy
The video source is not turned on or
connected correctly.
Turn the video source on and check that the
signal cable is connected correctly.
The projector is not correctly
connected to the input signal device.
Check the connection.
The input signal has not been
correctly selected.
Select the correct input signal with the
SOURCE
key on the projector or remote
control.
Cause
Remedy
The projection lens is not correctly
focused.
Adjust the focus of the lens using the focus
ring.
The projector and the screen are not
aligned properly.
Adjust the projection angle and direction as
well as the height of the unit if necessary.
Cause
Remedy
The battery is out of power.
Replace the battery with new one.
There is an obstacle between the
remote control and the projector.
Remove the obstacle.
You are too far away from the
projector.
Stand within 8 meters (26 feet) of the
projector.
Cause
Remedy
You do not remember the password.
Please see
"Entering the password recall
procedure" on page 32
for details.