Remove and Install the AC Precharge Control Circuit Board Fuse (FH3) for Frames 7 and 7L

Replace the AC precharge control circuit board fuse (labeled FH3) with the appropriate kit catalog number that is identified in this table:
Cat. No.
Voltage Class
IP Rating
Fuse Amp Rating
Notes
SK-RM-IBFH3-FUSE3B-F8
400V/480V/600V
IP21/IP54
2
—
SK-RM-IBFH3-FUSE3A-F8
690V
P21/IP54
2
Not used with frame 7L liquid cooled drives.
use holder (labeled FH3) is on the AC precharge control panel. Follow these steps to remove and install the AC precharge control circuit board fuse.
  1. Review the product advisories in Before You Begin.
  2. Remove power from the system.
  3. Open the enclosure door.
  4. Remove the protective guard.
  5. Loosen the M5.5 x 13 mm Torx screw that secures the control pod assembly to the chassis.
  6. Loosen the two M5 captive screws that secure the bottom of the control pod assembly to the side panel and rotate the control pod assembly out from the enclosure.
    example of how to rotate the frame 7 control pod assembly
  7. Pull out on the tab on the fuse holder that is labeled FH3 and remove the fuse.
    example of how to remove the frame 7 AC precharge control circuit board fuse
  8. Install the AC precharge control circuit board fuse in the reverse order of removal.
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