Last Update March 2026

PowerFlex 750-Series Products with TotalFORCE Control Hardware Service Manual - Frames 6L and 7L

Important User Information
Preface
Download Firmware, AOP, EDS, and Other Files
Download Firmware, AOP, EDS, and Other Files
Summary of Changes
Summary of Changes
Additional Resources
Additional Resources
Before You Begin
Qualified Personnel
Qualified Personnel
Personal Safety
Personal Safety
Class 1 LED Product
Class 1 LED Product
Product Safety
Product Safety
Electrostatic Discharge Icon
Electrostatic Discharge Icon
Remove Power from the System for Frame 6L
Remove Power from the System for Frame 6L
Remove Power from the System for Frame 7L
Remove Power from the System for Frame 7L
Renewal Kits for PowerFlex 755T Products with Corrosive Gas Protection (XT)
Renewal Kits for PowerFlex 755T Products with Corrosive Gas Protection (XT)
Dielectric Grease Application (XT)
Dielectric Grease Application (XT)
Installation Tools
Installation Tools
Software Tools
Software Tools
Hardware Installation Diagrams
Hardware Installation Diagrams
Fastener Torque Sequences
Fastener Torque Sequences
Preventative and Predictive Maintenance
Recommended Preventative Maintenance
Recommended Preventative Maintenance
Recommended Maintenance Schedule Task Descriptions
Recommended Maintenance Schedule Task Descriptions
Predictive Maintenance
Predictive Maintenance
Shock Events
Shock Events
Maintenance of Industrial Control Equipment
Maintenance of Industrial Control Equipment
Maintenance of Solid-state Devices
Maintenance of Solid-state Devices
Component Inspection and Tests
Inspect Air Filters and Vents for Maintenance
Inspect Air Filters and Vents for Maintenance
Inspect Fan Assemblies for Maintenance of Wall-mount Drives
Inspect Fan Assemblies for Maintenance of Wall-mount Drives
Inspect Fan Assemblies for Maintenance of Floor-mount Products
Inspect Fan Assemblies for Maintenance of Floor-mount Products
Inspect Circuit Boards, Wire Harnesses, and Fiber-optic Cables for Maintenance
Inspect Circuit Boards, Wire Harnesses, and Fiber-optic Cables for Maintenance
Inspect Frame 6L and 7L Coolant Hoses for Maintenance
Inspect Frame 6L and 7L Coolant Hoses for Maintenance
Liquid Cooling System Requirements
Liquid Cooling System Requirements
Drive Coolant Requirements
Drive Coolant Requirements
Biocide
Biocide
Drive Cooling Loop Specifications
Drive Cooling Loop Specifications
Perform Forward and Reverse Biased IGBT/Diode Tests for Frame 6L
Perform Forward and Reverse Biased IGBT/Diode Tests for Frame 6L
Perform Forward and Reverse Biased IGBT/Diode Tests for Frame 7L
Perform Forward and Reverse Biased IGBT/Diode Tests for Frame 7L
Test AC Input Link Fuses
Test AC Input Link Fuses
Test DC link Fuses
Test DC link Fuses
Test Frame 7L Component Fuses
Test Frame 7L Component Fuses
Frame 6L Kits
Remove and Install the Frame 6L Cover
Remove and Install the Frame 6L Cover
Remove and Install the Control Pod HIM Cradle with DPI Connector (XT) for Frame 6L
Remove and Install the Control Pod HIM Cradle with DPI Connector (XT) for Frame 6L
Remove and Install the Main Control Circuit Board (XT) for Frame 6L
Remove and Install the Main Control Circuit Board (XT) for Frame 6L
Remove and Install the Stirring Fan 1 Assembly for Frame 6L
Remove and Install the Stirring Fan 1 Assembly for Frame 6L
Remove and Install the Stirring Fan 2 Assembly for Frame 6L
Remove and Install the Stirring Fan 2 Assembly for Frame 6L
Remove and Install the Power Structure Fan Assembly for Frame 6L
Remove and Install the Power Structure Fan Assembly for Frame 6L
Remove and Install the Filter Section Fan Assembly for Frame 6L
Remove and Install the Filter Section Fan Assembly for Frame 6L
Remove and Install the Fan Power Supply Circuit Board for Frame 6L
Remove and Install the Fan Power Supply Circuit Board for Frame 6L
Remove and Install the Coolant Hose for Frame 6L
Remove and Install the Coolant Hose for Frame 6L
Remove and Install the DR and PE-A (EMC and MOV) Jumper for Frame 6L
Remove and Install the DR and PE-A (EMC and MOV) Jumper for Frame 6L
Remove and Install the Power Feedback Circuit Board and Bracket for Frame 6L
Remove and Install the Power Feedback Circuit Board and Bracket for Frame 6L
Remove and Install the LCL Filter Capacitor for Frame 6L
Remove and Install the LCL Filter Capacitor for Frame 6L
Frame 7L Kits
Remove and Install the IP21, 800/1000 mm Wide Door Vent Filters for Frame 7L
Remove and Install the IP21, 800/1000 mm Wide Door Vent Filters for Frame 7L
Remove and Install the Control Pod Cover for Frame 7L
Remove and Install the Control Pod Cover for Frame 7L
Remove and Install the Control Pod HIM Cradle with DPI Connector (XT) for Frame 7L
Remove and Install the Control Pod HIM Cradle with DPI Connector (XT) for Frame 7L
Remove and Install the Control Pod Printed Circuit Board Fan Assembly for Frame 7L
Remove and Install the Control Pod Printed Circuit Board Fan Assembly for Frame 7L
Remove and Install the Main Control Circuit Board (XT) for Frame 7L
Remove and Install the Main Control Circuit Board (XT) for Frame 7L
Remove and Install the Backplane Circuit Board (XT) for Frame 7L
Remove and Install the Backplane Circuit Board (XT) for Frame 7L
Remove and Install the Fiber Transceiver Circuit Board (XT) for Frame 7L
Remove and Install the Fiber Transceiver Circuit Board (XT) for Frame 7L
Remove and Install the Control Pod (XT) for Frame 7L
Remove and Install the Control Pod (XT) for Frame 7L
Remove and Install the Protective Guard for Frame 7L
Remove and Install the Protective Guard for Frame 7L
Remove and Install the 240V Power Distribution Fuse (FH2) for Frame 7L
Remove and Install the 240V Power Distribution Fuse (FH2) for Frame 7L
Remove and Install the AC Precharge Control Circuit Board Fuse (FH3) for Frame 7L
Remove and Install the AC Precharge Control Circuit Board Fuse (FH3) for Frame 7L
Remove and Install the Control Transformer Fuses (FH4) for Frame 7L
Remove and Install the Control Transformer Fuses (FH4) for Frame 7L
Remove and Install the AC Precharge Fused Disconnect (FD1) Fuses for Frame 7L
Remove and Install the AC Precharge Fused Disconnect (FD1) Fuses for Frame 7L
Remove and Install the AC Precharge Control Circuit Board for Frame 7L
Remove and Install the AC Precharge Control Circuit Board for Frame 7L
Open and Close the AC Precharge Components Panel for Frame 7L
Open and Close the AC Precharge Components Panel for Frame 7L
Remove and Install the AC Precharge Time Delay Relay for Frame 7L
Remove and Install the AC Precharge Time Delay Relay for Frame 7L
Remove and Install the AC Precharge TVSS Module for Frame 7L
Remove and Install the AC Precharge TVSS Module for Frame 7L
Remove and Install a Power Module for Frame 7L
Remove and Install a Power Module for Frame 7L
Remove and Install the LCL Filter Module for Frame 7L
Remove and Install the LCL Filter Module for Frame 7L
Remove and Install the Current Sense Circuit Board for Frame 7L
Remove and Install the Current Sense Circuit Board for Frame 7L
Start Up After Repairs
Before You Apply Power to Frame 6L
Before You Apply Power to Frame 6L
Before You Apply Power to Frame 7L
Before You Apply Power to Frame 7L
Measure No-load DC Bus Voltage and Output Current
Measure No-load DC Bus Voltage and Output Current
System Schematics
PowerFlex 755TR LCL Filter Module Schematic Diagrams for Frame 7L
PowerFlex 755TR LCL Filter Module Schematic Diagrams for Frame 7L
PowerFlex 755T AC Precharge Schematic Diagram for Frame 7L
PowerFlex 755T AC Precharge Schematic Diagram for Frame 7L
Frame 6L PowerFlex 755TL/TR Liquid Cooled Drive Schematic Diagram
Frame 6L PowerFlex 755TL/TR Liquid Cooled Drive Schematic Diagram