Rockwell Automation PowerFlex 755TL User Manual

52 Rockwell Automation Publication 750-TG100B-EN-P - June 2019
Chapter 3 Component Inspection and Test Procedures
AC Input Link Fuses Test
The AC input link fuses contain fuse indicator switches that signal an open fuse
that will fault the drive system. Follow these steps to perform AC input link fuse
test.
1. Review the Product Advisories on page 14
.
2. Remove power from the system. See Remove Power from the System on
page 15
.
3. Open the power bay enclosure door.
4. Continuity test the AC line fuses in circuit. Each LCL filter module is
connected to three AC line fuses.
5. Replace a fuse as necessary.
• For frames 8…15, see AC Input Link Fuses Replacement on page 262
.
DC Link Fuse Test
The DC link fuses contain fuse indicator switches that signal an open fuse that
will fault the drive system. Follow these steps to perform DC link fuse test.
1. Review the Product Advisories on page 14
.
2. Remove power from the system. See Remove Power from the System on
page 15
.
3. Open the power bay enclosure door.
4. Continuity test the DC link fuses in circuit. Each DC link contains two
fuses.
5. Replace a fuse as necessary.
• For frames 8…15, see DC Link Fuses Replacement on page 241
.
Component Fuse Tests
Perform a continuity test on the following fuses:
• AC precharge control board fuses (FH1). For frames 8…15, see AC
Precharge Control Circuit Board Fuses (FH1) Replacement on page 192
.
• 240V power distribution fuse (FH2). For frames 8…15, see 240V Power
Distribution Fuse (FH2) Replacement on page 194
.
• Input bay 240V control power fuse (FH3). See Roof Fan 240V Control
Power Fuse (FH3) Replacement on page 195
.
• Control transformer fuses (FH4…FH7).
• For frame 7, see Control Transformer Fuses (FH4) Replacement on
page 112
.
• For frames 10…15, see Control Transformer Fuses (FH4…FH7)
Replacement on page 197
.
• AC precharge fused disconnect fuses. For frames 8…15, see AC Precharge
Fused Disconnect (FD1) Fuses Replacement on page 199
.
• IP54 exhaust fan fuse. See IP54 Exhaust Fan Fuse Replacement on page
212
.

Rockwell Automation PowerFlex 755TL Specifications

General

Brand	Rockwell Automation
Model	PowerFlex 755TL
Category	DC Drives
Language	English