2.1.3 Dispatching Maintenance Personnel ............................................................................. 26
2.1.4 Electrostatic Discharge Protection ................................................................................. 27
2.1.5 Routine Maintenance ..................................................................................................... 27
2.2 Powering the VX-MD4024 ........................................................................................ 28
2.3 Controls and LED Indication ..................................................................................... 29
2.4 Replacing Units ......................................................................................................... 31
3 ā Troubleshooting the VX-MD4024 .................................................................... 32
3.1 Introduction to Troubleshooting ................................................................................ 33
3.2 Resolving Problems Indicated Through LEDs .......................................................... 33
3.3 Resolving Problems Indicated Through Alarms ....................................................... 34
3.4 Procedures for Troubleshooting the VX-MD4024 ................................................... 34
Abbreviations ................................................................................................................... 38
Abbreviations