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3.3 WARNING AND ALARM MESSAGES ............................................................................................... 3-6

3.4 AFTER REPAIR TESTS ..................................................................................................................3-13

SECTION 4 DRIVE AND MOTOR APPLICATIONS ............................................................................... 4-1

Torque Limit, Current Limit, and Unstable Motor Operation ............................................................. 4-1

Overvoltage Trips ......................................................................................................................... 4-2

Mains Phase Loss Trips ................................................................................................................ 4-2

Control Logic Problems ................................................................................................................. 4-3

Programming Problems ................................................................................................................. 4-3

Motor/Load Problems .................................................................................................................... 4-3

INTERNAL DRIVE PROBLEMS .............................................................................................................. 4-4

Overtemperature Faults ................................................................................................................. 4-4

Current Sensor Faults ................................................................................................................... 4-4

Signal and Power Wiring Considerations for Drive Electromagnetic Compatibility ............................ 4-5

Effects of EMI ................................................................................................................................. 4-5

Sources of EMI ............................................................................................................................. 4-5

EMI Propagation ........................................................................................................................... 4-6

Preventative Measures ................................................................................................................. 4-7

Proper EMC Installation ................................................................................................................. 4-8

SECTION 5 TEST PROCEDURES ........................................................................................................ 5-1

INTRODUCTION .................................................................................................................................... 5-1

TOOLS REQUIRED FOR TESTING ........................................................................................................ 5-1

Signal Test Board .......................................................................................................................... 5-1

Test Cable ..................................................................................................................................... 5-1

5.0 TEST PROCEDURES ...................................................................................................................... 5-2

5.1 STATIC TEST PROCEDURES ......................................................................................................... 5-2

5.1.1 Soft Charge and Rectifier Circuits Test: D-frame Size ............................................................ 5-3

5.1.2 Soft Charge Rectifier Test: D-frame Size .............................................................................. 5-5

5.1.3 Soft Charge and Rectifier Circuits Test: E-frame Sizes .......................................................... 5-6

5.1.4 Soft Charge Rectifier Test: E-frame Size ............................................................................... 5-8

5.1.5 Inverter Section Tests .......................................................................................................... 5-9

5.1.6 Brake IGBT Test .........................................................................................................

........5-10

5.1.7 Intermediate Section Tests ...................................................................................................5-10

5.1.8 Heatsink Temperature Sensor Test .....................................................................................5-10

5.1.9 Fan Continuity Tests: D-frame Size .................................................................................... 5-11

5.1.10 Fan Continuity Tests: E-frame Sizes ................................................................................. 5-12

5.2 DYNAMIC TEST PROCEDURES .................................................................................................... 5-13

5.2.1 No Display Test ..................................................................................................................5-14

5.2.1.1 Input Voltage Test ............................................................................................................ 5-14

5.2.1.2 Basic Control Card Voltage Test .......................................................................................5-14

5.2.2 Switch Mode Power Supply (SMPS) Test ...........................................................................5-15

5.2.3 Zero DC Bus Voltage Test .................................................................................................. 5-15

5.2.4 DC Under Voltage Test .......................................................................................................5-16

5.2.5 Input Phase Imbalance Test ................................................................................................5-16

5.2.6 Input Waveform Test ........................................................................................................... 5-17

5.2.7 Input SCR Test ................................................................................................................... 5-19

5.2.8 Output Phase Imbalance Test .............................................................................................. 5-20

5.2.9 IGBT Gate Drive Signals Test .............................................................................................5-21

5.2.10 IGBT Switiching Test ......................................................................................................... 5-24

5.2.11 Brake IGBT Test ...............................................................................................................5-24

5.2.12 Current Sensors Test........................................................................................................5-25

5.2.13 Fan Tests .........................................................................................................................5-26

Table of Contents (continued)

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)

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