Danfoss VLT FC Series Service Manual page 6

Contents
8.5 Dynamic Test Procedures
8.6 After-repair Tests
9 Special Test Equipment
9.1 Split Bus Power Supply
9.2 Parallel Drive Module Service Kit
9.3 Signal Test Board
10 D1h/D3h/D5h/D6h/J8 Drive Disassembly and Assembly
10.1 Before Proceeding
4
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VLT FC Series, D1h-D8h, Da2/Db2/Da4/Db4, E1h-E4h, J8/J9
8.4.7 Mains Fuse/DC Fuse Test
8.4.8 Disconnect Test
8.4.9 Circuit Breaker Test
8.4.10 Contactor Test
8.5.1 No Display Test
8.5.2 Input Voltage Test
8.5.3 Basic Control Card Voltage Test
8.5.4 DC Bus Voltage Test
8.5.5 Switch Mode Power Supply Test
8.5.6 Input Imbalance of Supply Voltage Test
8.5.7 Input Waveform Test
8.5.8 Input SCR Test
8.5.9 Output Imbalance of Motor Voltage and Current
8.5.10 IGBT Switching Test
8.5.11 IGBT Gate Drive Signals Test
8.5.12 Current Sensors Test
8.5.13 Fan Tests
8.5.14 Input Terminal Signal Tests
8.6.1 After-repair Tests for D-sized and E-sized Drives
8.6.2 After-repair Tests for Parallel Drive Systems
9.1.1 Overview
9.1.2 Split Bus Power Supply Diagrams
9.1.3 Split Bus Power Supply Connection
9.2.1 Overview
9.2.2 Split Bus Power Supply and
Parallel Drive Modules
9.2.3 After-test Installation of
Parallel Drive Modules
9.2.4 Programming the Parallel Drive Module
9.2.5 Service Kit Troubleshooting
9.3.1 Signal Test Board
9.3.2 Signal Test Board Pin Outs
Danfoss A/S © 02/2019 All rights reserved.
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