Danfoss VLT AutomationDrive FC 300 Series Service Guide

8.4.7 Mains Fuse/DC Fuse Test 103
8.4.8 Disconnect Test 103
8.4.9 Circuit Breaker Test 104
8.4.10 Contactor Test 104
8.5 Dynamic Test Procedures
105
8.5.1 No Display Test 107
8.5.2 Input Voltage Test 107
8.5.3 Basic Control Card Voltage Test 107
8.5.4 DC Bus Voltage Test 107
8.5.5 Switch Mode Power Supply Test 108
8.5.6 Input Imbalance of Supply Voltage Test 108
8.5.7 Input Waveform Test 109
8.5.8 Input SCR Test 109
8.5.9 Output Imbalance of Motor Voltage and Current 110
8.5.10 IGBT Switching Test 111
8.5.11 IGBT Gate Drive Signals Test 112
8.5.12 Current Sensors Test 114
8.5.13 Fan Tests 116
8.5.14 Input Terminal Signal Tests 117
8.6 After-repair Tests
118
8.6.1 After-repair Tests for D-sized and E-sized Drives 119
8.6.2 After-repair Tests for Parallel Drive Systems 119
9 Special Test Equipment
120
9.1 Split Bus Power Supply
120
9.1.1 Overview 120
9.1.2 Split Bus Power Supply Diagrams 120
9.1.3 Split Bus Power Supply Connection 122
9.2 Parallel Drive Module Service Kit
122
9.2.1 Overview 122
9.2.2 Split Bus Power Supply and
Parallel Drive Modules 124
9.2.3 After-test Installation of
Parallel Drive Modules 125
9.2.4 Programming the Parallel Drive Module 125
9.2.5 Service Kit Troubleshooting 125
9.3 Signal Test Board
125
9.3.1 Signal Test Board 125
9.3.2 Signal Test Board Pin Outs 126
10 D1h/D3h/D5h/D6h/J8 Drive Disassembly and Assembly
129
10.1 Before Proceeding
129
Contents
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
4 Danfoss A/S © 02/2019 All rights reserved. MG94A502

Danfoss VLT AutomationDrive FC 300 Series Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 300 Series
Category	DC Drives
Language	English