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Common Faults and Solutions
Before contacting technical support, please perform troubleshooting according to the following table.
If the issue still cannot be solved, please contact your local distributor. For your safety, do not repair the
product by yourself.
Troubleshooting
There's nothing on
the screen, no sound,
no light
LCD whiteboard
image with dotted
lines or stripes
Computer display
image offset,
unsatisfactory
screen, over screen,
fuzzy display
System halted,
unable to operate the
machine
The device is
freezing, crashing, or
cannot be operated
Touch is slow and
malfunctioning
OPS cannot be
started normally, and
there is no display,
no touch
Touch offset
External computer
touch is invalid
Symptom
The power plug is loose and the
power supply is not connected
Signal interference, such as
cars, neon lights, hair dryers,
etc.
1. Improper adjustment
2. Wrong display mode
1. The device's remote control
signal receptor is blocked
2. The remote control's battery
is exhausted
1. Running too many programs
2. The normal operation of the
machine is disturbed by the
external environment (such
as lightning, static electricity,
etc.)
The machine runs too many
programs
OPS is not fixed
Caused by computer system
coordinates, corrective treatment
is required.
1. The ports of the signal source
and the touch USB cable are
inconsistent.
2. Touch USB cable is too long
or poor quality.
Possible Factor
VGA Signal Input Specifications and Power Management 3-2
Solution
Check whether the power cable is properly
connected.
Find interfering electrical equipment neartby
and move it away from the machine; or insert
the power plug into the other socket
1. Use the automatic adjustment function.
2. Enter "PC Screen Adjustment" to adjust the
horizontal or vertical position.
3. Use recommendation mode.
1. Remove the obstructing object to avoid
obstructing the device's remote control's
receptor
2. Replace the battery
Disconnect the power supply of the machine,
wait 1 to 2 minutes and then switch on the
power again.
runs too many programs Clearing accounts for
a larger operation of the program or restart the
machine.
Reinstall the OPS computer.
Enter the control panel and select the
correction process.
1. Check and replace the interface
corresponding to the touch USB cable.
2. Replace a shorter or better quality toucl
USB cable.
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