Troubleshooting - BenQ Portable Series User Manual

Troubleshooting

The LED indicator is flashing.
Driver board error
Fan error
Optical engine temperature error
G sensor Error
Contact customer service for assistance.
Note
Refer to "Power LED indicator" on page 29
The projector does not turn on.
Cause
There is no power from
the power cord.
Attempting to turn
the projector on again
during the cooling
process.
No picture.
Cause
The video source is not
turned on or connected
correctly.
The projector is not
correctly connected to
the input signal device.
Scenario
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.
• Check if the video source is properly
connected.
• The projector may be in Audio-only or power
saving mode. Press the power key to disable.
Check the connection.
Flashing red/blue
Flashing blue/green
Flashing red
Flashing red/blue/green
for power LED indicator details.
Remedy
Remedy
55
LED status