Hi Alex.
We have contacted the local distributor : Sunny C, who directed us to Diagnostic Engineer. Below is the reported cause Of the no audio input signal detection: “Failed audio input pcb assembly”
Required Replacement parts:
– Allen&Heath – PCB ASS’Y QU-32 AUDIO Main
– Allen &Heath – PCB ASSY QU-32 AUDIO Extender
Kindly work on it.