16. MOST COMMON PROBLEMS SOLUTION
The projector does not turn on
Possible cause:
Lack of power
Possible solution:
Verify the power connection
The projector suddenly turned off
PC:
Thermal protection activated
PS:
Check that the ventilation grids are not blocked by
objects or dust
The wireless reproduction proceeds in jerks
PC:
Wireless network is congested
PS:
Disconnect some devices from the network or directly
connect the smartphone or tablet to the projector
The projector is not listed among the devices available for direct connection with
smartphone and tablet
PC:
The projector is already connected to a wireless router
PS:
Disconnect the projector from wireless network
It is not possible to focus the image
PC:
Too short distance from the screen
PS:
Increase the distance and focus again
Acceptable keystone match cannot be obtained
The image has different focuses in different points
PC:
Excessive tilt between screen and projector
PS:
Tilt the projector or the screen so that the screen is
perpendicular to the light beam
The wireless connection is unstable
PC:
Too distance between smartphone/tablet and
projector or between projector and router
PS:
Get closer the router and the projector or the projector
and smartphone/tablet
PC:
Wireless channel congested
PS:
Set the router on a different channel
No audio sound from projector
PC:
A device is connected to the headphones output
PS:
Disconnect the device
PC:
Volume to zero
PS:
Increase the volume
PC:
“Mute” function inserted
PS:
Disable the function “mute” (chap. 4 key 2)
PC:
Bluetooth device connected and silenced
PS:
Disconnect or adjust the Bluetooth device volume
The image has limited dark areas
PC:
The internal mirror is dusty
PS:
Contact specialized technical people for cleaning
USB pendrive not detected
PC:
Defective pendrive
PS:
Replace the pendrive
PC:
Pendrive format not correct
PS:
Format the pendrive with file system FAT32 or NTFS
Should the projector exhibit operating anomalies not listed in this table, contact specialized technical people.