Troubleshooting - BenQ 9H.JSR77.59E User Manual

Troubleshooting

The LED indicator is flashing.
Scenario
Driver board error
Fan error
Optical engine temperature error
TOF error
Battery malfunction
G sensor Error
Contact customer service for assistance.
Note
Refer to "Power LED indicator" on page 34
The projector does not turn on.
Possible cause
There is no power from
the power cord.
Attempting to turn
the projector on again
during the cooling
process.
No picture.
Possible cause
The video source is not
turned on or connected
correctly.
for power LED indicator details.
Remedy
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.
Remedy
• Check if the video source is properly
connected.
• The projector may be in Audio-only or
networked standby mode. Press the power
key to disable.
68
LED status
Flashing red/blue
Flashing blue/green
Flashing red
Flashing red/green
Flashing purple
Flashing red/blue/green