Troubleshooting And Maintenance - Triax HMX 442 LP4K User Manual

User Manual

6. Troubleshooting and Maintenance

Problems
Colour lose or no video
signal output
No output i mage when
switching
Cannot control the
device via front panel
buttons
Cannot control the
device via IR remote
Power Indicator remains
off when powered on
48/52
Causes
The connecting cables may
not be connected correctly
or it may be broken.
Fail or loose connection
No signal at the input /
output end
Fail or loose connection
Input source is with HDCP
while the HDCP
compliance is switched off.
The display doesn't sup-
port the input resolution.
Front panel buttons are
locked.
The battery "DEAD"
The IR remote is broken.
Beyond the effective range
of the IR signal or not
pointing at the IR receiver
The IR receiver connected
to IR IN/ IR ALL IN port is
not with carrier
Fail or loose power
connection
Solutions
Check whether the cables are connected correctly
and in good condition.
Make sure there is good connection
Check with oscilloscope or multi-meter if there is any signal at
the input/ output end.
Make sure the connection is good
Send command
/%[Y]/[X]:1. or change HDCP compliance status in GUI.
Switch for another input source or enable the display to
learn the EDID data of the input.
Send command /%Unlock; or select unlock in GUI interface to
unlock
Change for new battery.
Send it to authorized dealer for repairing or replace
Adjust the distance and angle and point right at the IR
receiver.
Replace IR receiver
Check whether the cables are connected correctly