Rockwell Automation 6012DB PowerFlex Medium Voltage Variable Frequency Drive - Manual (Page 101)

Rockwell Automation Publication 6000-UM001B-EN-P - October 2014 101
Preventative Maintenance and Component Replacement Chapter 5
LV Control Cabinet
Inspect AC/DC Power Supplies
Ensure the input and output terminal connections are tight.
Use a voltmeter to check the output voltage. A green LED indicates normal
operation.
Figure 37 - AC/DC Power Supplies
Inspect AC/DC Power Supplies 101
Replace AC/DC Power Supplies 102
Inspect UPS 104
Replace UPS 105
Replace UPS Batteries 106
Inspect PLC 108
Inspect/Replace Control Unit or Control Boards 108
Inspect the HMI 111
Replace the HMI 111
Replace LV Control Relays 113
Replace LV Control Circuit Breakers 114
Inspect Coils 116
Inspect Contacts 116
Inspect Pilot Lights 116
Inspect Locking and Interlocking Devices 116
N L
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G1
G2
G3