Studer D950 Operating Instructions Manual page 637

CHAPTER 9
9 Troubleshooting & Maintenance ...............................................................................................................................9-3
9.1 What can go Wrong? ................................................................................................................................................9-3
9.2 Local Diagnostic Tools.............................................................................................................................................9-3
9.3 DSP Rack..................................................................................................................................................................9-4
9.3.1 Configuration Meets Core - FailSafe and Hot Plug-In Concepts .....................................................................9-4
9.3.2 Looking at the LEDs.......................................................................................................................................9-6
9.3.2.1 LEDs of the MEMNET Card, 1st Generation 1.950.615.20........................................................................9-6
9.3.2.2 LEDs of the MEMNET Card, 2nd Generation 1.950.620.20 ......................................................................9-7
9.3.2.3 LEDs of the MADI Card 1.950.615.21........................................................................................................9-8
9.3.2.4 LEDs of the PEAES Card 1.950.605.20 .......................................................................................................9-9
9.3.2.5 LEDs of the PE Card 1.950.610.20 ...........................................................................................................9-10
9.4 Regular Maintenance ..............................................................................................................................................9-11
9.4.1 Air Filters........................................................................................................................................................9-11
9.4.1.1 Removing and Installing the Supply Unit (1.950.601.00) in the Rack.......................................................9-11
9.4.1.2 Changing the Air Filter Mat.......................................................................................................................9-11
Date printed: 03.09.03 SW V3.3
D950 Digital Mixing System
Troubleshooting/Maintenance 9-1