9. Troubleshooting HDMI-TPS-RX110AY – User's Manual 72
Symptom Root cause Action Refer to
Audio signal
No audio is present
on output
Source audio volume is
low or muted
Check the audio settings of the source.
Output port is muted Check the output port properties.
5.3.2
6.3.5
7.7.2
Analog audio volume is
set low
Check the Analog audio output port
settings (volume).
5.3.2
7.7.7
HDMI output signal
contains no audio
HDMI mode was set to
Check the properties of the output port
and set to HDMI or Auto.
5.3.1
7.6.14
Check the EDID and select and HDMI
EDID to emulate.
5.5
7.13
RS-232 signal
Connected serial
device does not
respond
Cable connection
problem
the wiring of the plugs.
3.3.7
RS-232 settings are
different
Check the port settings of the transmitter
5.6.1
6.5
7.9
RS-232 mode is not right Check the RS-232 mode settings
(pass-through, control or command
injection)
5.6.1
6.5.1
7.9.6
Network
No LAN connection
can be established
Incorrect IP address is
Use dynamic IP address by enabling
DHCP option.
4.1.2
5.8.2
6.4.2
7.8.2
Restore the factory default settings (with
4.1.3
5.8.4
6.2.11
7.5.6
Check the IP address of the other
devices, too.
Symptom Root cause Action Refer to
Miscellaneous
out of operation
Function button is
locked
Unlock the button
5.8.1
Error messages
received always
Different protocol is set
commands.
5.6.1
6.5.4
6.5.5
7.9.1