Blop in speakers at startup or power down Thump sound when muting a Beovision Avant
Blinking red and / or green light Mechanical noise from cloth frame No sound
Humming noise No startup, no sound output Orange light, unit overheating
LED indicator flashing or solid orange Distorted audio from subwoofer No function, no LED indication
Digital data noise in speakers IR receiver weak or not accepting remote commands Noise / hum in channel: "Fail" error message
We can fix issue 1, issue 2, problem 3, defect 4, etc.