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TROUBLESHOOTING
Phenomenon
No image
displayed
The remote control
is
inactive
USB interface does
not work
Infrared touch is
inactive
Capacitive touch
hopping has no
effect
Possible causes
1. The power cord has been
disconnected.
2. The main power switch
on the back of the equip-
ment is not turned on.
3. Shut down the remote
control by mistake.
The remote control with
tempered glass is short in
operation and reception.
USB debug mode has been
turned on
1. Infrared touch is disturbed
by sunlight or strong light
2. The dust or objects on the
infrared touch block infrared
reception.
3. Cleaners use wet cloth to
clean the machine, and the
water seeps into the infrared
receiving tube and then
causes short circuit.
1. For the capacitive touch
hoping, there is power soc-
ket grounding problem.
2. The full screen cannot be
touched effectively, and the
area is normal. Check the
touch control panel for poor
contact or oxidized golden
finger.
Solutions
1. Plug in the power cord.
2. Make sure the power
switch is on.
3. Press the remote control
power button to start up it.
Close to the remote control
receiver for remote control
operation.
Enter Settings and turn off
USB debug mode.
1. Move the equipment to
another location to see if
the interference can be
solved.
2. Clean the machine with a
clean cloth.
3. Replace the touch box.
1. Contact the electrician
for correct grounding wire
connection.
2. When disassembling the
machine, use the eraser to
wipe the golden finger of
the capacitive touch control
panel.
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