Troubleshooting - NewLine TT-6519VNC User Manual

Before contacting a service technician, please conduct an inspection according to the following table. If the
problem can't be solved by following the suggested steps, please contact your local dealer. For your safety, do
not repair the machine on your own.
Issue
The machine can't be
properly turned on /
the indicator is off
Automatically turn
on/off when unused
No image display
The image is normal,
but there is no sound
Image or sound is
disturbed
Remote control
failure
Solution
Check whether the power socket is connected to the power source.
Check whether the power plug is properly plugged in.
Check whether the power line is in poor condition.
Check whether the rocker switch has been turned on.
Turn off the automatic power on/off function.
Check whether the device has been idle for a significant period and therefore the
machine has entered sleep mode.
Check whether the input power is stable.
Check whether the power cord is connected to an electrical outlet and whether
the power is turned on.
Check whether the rocker switch of the machine has been turned on.
Check whether the power is turned on.
Check whether the input computer is correctly connected.
Check whether the input source is correct.
Check the volume.
Check whether the mute button on the remote control has been pressed.
Check whether the mute function in the menu is turned on.
Find interfering electrical equipment nearby and move it away from the machine.
Do not share the same power outlet with interfering electrical equipment.
Replace the battery.
Clean the transmission port at the top of the remote control (check whether it is
blocked).
Check whether the batteries are poorly installed.
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Troubleshooting