Service 13
Troubleshooting
Power cycling
If a problem occurs that cannot be corrected
with the instructions in this user manual, follow
the steps given here.
1 Turn the projector off using .
2 Wait at least ten seconds.
3 Turn the projector on again using .
4 If the problem persists, please contact our
technical service centre or your dealer.
Problems Solutions
The projector cannot be turned on. • Disconnect and reconnect the power cable, and
try to turn the projector on again.
• Low battery power. Connect the projector to an
external power supply.
The projection screen does not show
images.
• You need to connect the projector to an HDMI
device or USB-C device, so that the projection
screen can show images (see Connect, page
6).
• Check if the video output of the external device is
turned on.
The projector is charged slowly. • When powered on, the external power will be
used first to run the projector and unused power
will charge the battery.
• For faster charging, charge while the projector is
powered off.
The projector cannot be turned off.
• Press and hold longer than ten seconds. If this
does not work, disconnect the power cable.
No image from the external HDMI device. • Disconnect the HDMI cable or switch off the
HDMI device.
• Wait three seconds.
• Reconnect the HDMI cable or switch on the HDMI
device again.
No sound from the external connected
device.
• Check the cables to the external device.
• Check that the sound is activated on the external
device.
• Only the original cables from the device
manufacturer may function.
No sound from external HDMI output
device.
• On the HDMI output device, set the audio setting
to Multichannel (Raw data) & Stereo (PCM).
No sound when you connect your
computer via HDMI cable.
• Check that the sound is activated on the
computer.
The projector turns itself off. • Low battery power.
• When the projector is running for a long period of
time, the surface becomes hot.
• Check that the power cable is connected correctly.
The temperature of the projector’s surface
is warm.
• For this projector it is normal to generate
moderate heat during operation.
What to do if the projector does not work
when connecting to a notebook PC?
• Check that the HDMI cable is plugged in correctly.
• Make sure that the notebook PC has been
switched to projector display.
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