www.vanco1.com
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20
TROUBLE-SHOOTING
1. PROBLEM: Color loss or no video signal output. CAUSE: The connecting cables may not be connected
correctly or it may be broken. SOLUTION: Check whether the cables are connected correctly and in
working condition.
2. PROBLEM: No output image when switching. CAUSE: No signal at the input / output end. Solution: Check
with oscilloscope or multi-meter if there is any signal at the input/ output end.
3. PROBLEM: No output image when switching. CAUSE: Input source is with HDCP while the HDCP
compliance is switched off SOLUTION: Send command /%[Y]/[X]:1 or change HDCP compliance status in
GUI.
4. PROBLEM: No output image when switching. CAUSE: The display doesn’t support the input resolution.
SOLUTION: Switch for another input source or enable the display to learn the EDID data of the input.
5. PROBLEM: Cannot control the device via front panel buttons. CAUSE: Front panel buttons are locked.
SOLUTION: Send command /%Unlock; or select unlock in GUI interface to unlock
6. PROBLEM: Cannot control the device via IR remote. CAUSE: The battery has run off. SOLUTION: Change
for new battery.
7. PROBLEM: Cannot control the device via IR remote CAUSE: The IR remote is broken. SOLUTION: Send
it to authorized distributor for repairing.
8. PROBLEM: Cannot control the device via IR remote. CAUSE: Beyond the effective range of the IR signal or
not pointing at the IR receiver. SOLUTION: Adjust the distance and angle and point right at the IR receiver.
9. PROBLEM: Cannot control the device via IR remote. CAUSE: The IR receiver connected to IR IN/ IR ALL IN
port is not with carrier. SOLUTION: Change for an IR receiver with carrier.
10. PROBLEM: Power Indicator remains off when powered on. CAUSE: Failure in power connection.
SOLUTION: Check whether the cables are connected correctly
11. PROBLEM: EDID management does not work normally. CAUSE: The HDMI cable is broken at the output
end. SOLUTION: Change for another HDMI cable which is in good working condition.
12. PROBLEM: There is a blank screen on the display when switching CAUSE: The display does not support
the resolution of the video source. SOLUTION: Try Switching again, or Manage the EDID data manually to
make the resolution of the video source automatically compliant with the output resolution.
13. PROBLEM: Cannot control the device by control device (e.g. a PC) through RS232 port. CAUSE: Wrong
connection. SOLUTION: Check to ensure the connection between the control device and the unit
14. PROBLEM: Cannot control the device by control device (e.g. a PC) through RS232 port. CAUSE: Wrong
RS232 communication parameters. SOLUTION: Type in correct RS232 communication parameters: Baud
rate:9600; Data bit: 8; Stop bit: 1; Parity bit: none
15. PROBLEM: Cannot control the device by control device (e.g. a PC) through RS232 port. CAUSE: Broken
RS232 port. SOLUTION: Send it to authorized distributor for replacement
16. PROBLEM: Static becomes stronger when connecting the video connectors. CAUSE: Bad grounding
SOLUTION: Check the grounding and make sure it is connected well.
17. PROBLEM: Cannot control the device by RS232 / IR remote / front panel buttons. CAUSE: The device is
not operating properly. SOLUTION: Send it to authorized distributor for replacement.
