Danfoss D9h Service Guide

Testing
Brake IGBT........................................................................................ 101
Circuit breaker................................................................................ 104
Connection points........................................................................... 92
Contactor.......................................................................................... 104
Control card..................................................................................... 107
Current sensor................................................................................ 114
DC bus............................................................................................... 107
Disconnect....................................................................................... 103
Display............................................................................................... 107
Dynamic............................................................................................ 105
ESD precaution................................................................................. 91
Fan....................................................................................................... 116
Fuses................................................................................................... 103
IGBT.................................................................................................... 111
Input imbalance............................................................................. 108
Input terminal................................................................................. 117
Input voltage................................................................................... 107
Instruments................................................................................. 15, 90
Intermediate section.................................................................... 102
Inverter.............................................................................................. 101
Parallel drive system....................................................................... 92
Rectier circuits.............................................................................. 100
SCRs.................................................................................................... 109
Signal test board.............................................................................. 90
Static tests........................................................................................ 100
Thermistor
Warning............................................................................................... 75
Top fan................................................................................ 175, 237, 309
Torque
Limit............................................................................................... 69, 83
Parameters.......................................................................................... 80
Values................................................................................................. 319
Troubleshooting
Codes.................................................................................................... 66
Display................................................................................................. 62
Motor operation............................................................................... 62
Symptoms........................................................................................... 60
Tips........................................................................................................ 60
Warnings and alarms...................................................................... 68
Type approvals...................................................................................... 11
Type code....................................................................................... 16, 124
U
Unintended start.................................................................................. 12
V
Vertical brake busbars...................................................................... 311
Voltage
Imbalance........................................................................................... 68
Rating....................................................................... 17, 18, 19, 20, 21
W
Warnings
Codes.................................................................................................... 66
List of.................................................................................................... 68
Trip points............................................................................... 321, 322
Waveform................................................................................................ 81
Website....................................................................................................... 9
Windmilling............................................................................................ 13
Wiring................................................................................................. 14, 87
Index
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
366 Danfoss A/S © 02/2019 All rights reserved. MG94A502

Danfoss D9h Specifications

General

Brand	Danfoss
Model	D9h
Category	DC Drives
Language	English