Bang & Olufsen BeoLab 12-3, Service Manual

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Troubleshooting – Fault flow chart 2.1
Troubleshooting
LED indicator .................................................................................... 2.2
Description of LED errors .................................................................. 2.2
Product Information - Usage data ..................................................... 2.3
Error log ........................................................................................... 2.3
Test - Sound ...................................................................................... 2.4
Speaker unit check ........................................................................... 2.5
NTC module test ............................................................................... 2.5
Fault flow chart
No function, No LED indication ......................................................... 2.6
No power ON, Red LED indication ..................................................... 2.8
LED indicator is orange (constant lit) ................................................ 2.10
LED indicator is flashing orange ...................................................... 2.12
No sound from any speaker, Green LED indication .......................... 2.14
Distorted audio from one or more speaker(s) .................................. 2.16