Remove and Install the AC Precharge Control Circuit Board Fuses (FH1) for Frames 8...15
Replace the AC precharge control circuit board fuses (labeled FH1) with the appropriate kit catalog number that is identified in this table. Each kit contains three fuses.
Cat. No. | Voltage Class | Fuse Amp Rating | Frame Size | Required Fuse Quantity |
|---|---|---|---|---|
SK-RM-IBCB-FUSE1A-F8 | 400V/480V/600V | 1 | 8…12 | 3 |
SK-RM-IBCB-FUSE1A-F8 | 400V/480V/600V | 1 | 13…15 | 6 |
SK-RM-IBCB-FUSE1B-F9 | 690V | 1 | 8…12 | 3 |
SK-RM-IBCB-FUSE1B-F9 | 690V | 1 | 13…15 | 6 |
For frames 8 and 9, the fuse holders labeled FH1 are located in the AC precharge module in the input bay. For frames 10…15, the fuse holders labeled FH1 are on the control panel in the input bay. Follow these steps to remove and install the AC precharge control circuit board fuses.
- Review the product advisories in Before You Begin.
- Remove power from the system.
- Open the enclosure door.
- Remove the guard from the enclosure.
- Pull out the tabs at the top of the fuse holders and remove the fuses.
- Install the AC precharge control circuit board fuses in the reverse order of removal.
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