Intermediate Section
37
Inverter Section
39
Brake Option
41
Cooling Fans
43
Fan Speed Control
43
Load Sharing
44
Specific Card Connections
44
4 Troubleshooting
45
Troubleshooting Tips
45
Exterior Fault Troubleshooting
45
Fault Symptom Troubleshooting
45
Visual Inspection
46
Fault Symptoms
47
No Display
47
Intermittent Display
47
Motor Will not Run
48
Incorrect Motor Operation
49
Warning/Alarm List
54
After Repair Tests
60
5 Frequency Converter and Motor Applications
61
Torque Limit, Current Limit, and Unstable Motor Operation
61
Overvoltage Trips
62
Mains Phase Loss Trips
62
Control Logic Problems
63
Programming Problems
63
Motor/Load Problems
63
Internal Frequency Converter Problems
64
Overtemperature Faults
64
Open (Blown) Fuses
64
Current Sensor Faults
65
Electromagnetic Interference
65
Effect of EMI
65
Sources of EMI
66
EMI Propagation
67
Preventive Measures
69
Proper EMC Installation
70
6 Test Procedures
71
Introduction
71
Tools Required for Testing
71
High Power Service Manual for Unit Sizes 6x
2
Summary of Contents for AF-650 GP Series
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