Troubleshooting – Muxlab HDMI 3x1 Switcher Kit User Manual
Page 13
© MuxLab Inc. HDMI 3x1 Switcher Kit Installation Guide
Page 13
4.
Troubleshooting
The following table describes some of the problem symptoms, the
probable causes and possible solutions. If the information below
does not solve the problem, the technical support contact
information can be found at the end of this section.
Power LED
Picture/
Sound
Source
Display
Sync
LED
Probable Cause
Possible Solution
No Image
OFF
OFF
OFF
No power
Check power connections
No Image
OFF
ON
OFF
Wiring
Check continuity
Check correct wiring
Verify that Video and DDC
Cat5 cables are not inverted.
No Image
ON
ON
OFF
Wiring
Check the Data cable for
continuity and wiring error.
No Image
ON
ON
ON
Synchronization
Power off the source and the
display. Cycle power of the
HDMI Extender and power on
the devices.
Flickering
Image
ON
ON
ON
Synchronization
Check cable length
Choppy
Sound
ON
ON
ON
Synchronization
Check cable length
Green or
pink hue
ON
ON
ON
DDC cable
Cycle power of the HDMI
Extender. Check DDC cable
and replace.
Image
Flicker when
Powering up
equipment
nearby
ON
ON
ON
Interference
Use STP cables.