Troubleshooting
2021-07-09 65
8.6 Digital Audio
Diagnosis Possible Reason Measure
CPU Unit:
LED 1 red
No audio connection to
CPU / audio source
Connect digital audio source.
Check connection of audio cable.
No signal Switch digital audio source on.
Activate digital output at CPU /
audio source.
CON Unit:
LED 1 red
No audio connection to
audio sink (e.g.
speakers)
Connect digital audio sink.
Check connection of audio cable.
No signal Check signal at CPU Unit.
No signal /
LEDs 1 OK
Digital Silence at active
audio source
Check LEDs at CPU Unit.
Check audio format.
Pos: 81 /806-IHSE/Hilfe i m Problemf all/Störung am USB-HID-Modul-Anschluss/477-xx _COMP @ 5\mod_1291129758421_6.doc @ 45095 @ 2 @ 1