34 Rockwell Automation Publication 20Y-TG001C-EN-P - April 2017
Chapter 3 Component Test Procedures
Check the AFE Power
Structure Fan Inverter Fuses
To check the AEF power structure fan inverter fuse, follow these steps.
1. Remove power from the AFE.
See Remove Power from the AFE on page 37
.
2. If present, remove the protective barriers.
See Remove AFE Protective Barriers on page 44
.
3. Remove the protective front cover and terminal cover from the power
structure.
See Remove Protective Covers from the Power Structure on page 46
.
4. A pair of fuses (F1 and F2) feed DC bus power to the fan inverter.
a. Locate these fuses and remove them.
b. Use a multi-meter to verify that the fuses are not open.
5. Reinstall the good fuses and replace any open fuse with an equivalent-
rated fuse.
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