Table of Contents  Issue 07/04 
  MICROMASTER 420    Operating Instructions 
12  6SE6400-5AA00-0BP0  
4  Troubleshooting.................................................................................................. 151 
4.1  Troubleshooting with the SDP .............................................................................. 152 
4.2  Troubleshooting with the BOP .............................................................................. 153 
4.3  Fault messages and alarm messages .................................................................. 154 
5  MICROMASTER 420 specifications................................................................... 157 
6  Options ................................................................................................................ 165 
6.1  Device-independent options ................................................................................. 165 
6.2  Device-dependent options .................................................................................... 165 
7  Electro-magnetic compatibility (EMC).............................................................. 167 
7.1  Electro-magnetic compatibility (EMC)................................................................... 168 
Appendices .............................................................................................................................. 173 
A  Changing the Operator Panel ............................................................................ 173 
B  Removing Covers ............................................................................................... 174 
B.1  Removing Covers Frame Size A .......................................................................... 174 
B.2  Removing Covers Frame Size B and C................................................................ 175 
C  Removing ‘Y’ Cap ............................................................................................... 176 
C.1  Removing ‘Y’ Cap Frame Size A .......................................................................... 176 
C.2  Removing ‘Y’ Cap Frame Size B and C................................................................ 177 
D  Removing fan ...................................................................................................... 178 
D.1  Removing fan, Frame Size A................................................................................ 178 
D.2  Removing fan, Frame Sizes B and C ................................................................... 179 
E  Applicable Standards ......................................................................................... 180 
F  List of Abbreviations .......................................................................................... 181 
Index .............................................................................................................................. 184