Diagnostics/Troubleshooting
4-3
Instruction Manual
Malfunction Diagnosis
T
ABLE
4.1
MAX-430 System Problem Symptoms and Possible Causes
Symptoms
Possible Causes
Motor inoperative.
No AC power to the drive
Faulty wiring to motor
No ± 15 VDC at P2.
Power supply defective
± 15 VDC regulators defective
No voltage between MT+, MT- terminals.
INH clamp activated
Defective drive
Motor responds to commands only in one direction.
FAC or RAC clamp activated
Defective output stage or drive board
Voltage measured between motor terminals but
motor does not rotate.
Motor or load mechanically jammed
Motor brushes worn or improperly seated
Open motor winding
Motor runs only at a high constant speed.
Faulty wiring to the tachometer
Tachometer brushes worn or improperly seated
Open tachometer winding
Tachometer leads reversed
TACH gain fully CCW - See page 3-2.
Velocity Clamp jumpered - See page 2-12.
Bus Overvoltage
Shunt fuse (F1) blown
Содержание MAX-430
Страница 33: ...Applying Power for the First Time 3 5 Instruction Manual Intro FIGURE 3 1 System Response to a Step VCS Input ...
Страница 36: ...3 8 Applying Power for the First Time P N 0013 1025 001 Rev F ...
Страница 42: ...4 6 Diagnostics Troubleshooting P N 0013 1025 001 Rev F ...
Страница 50: ...6 6 Component Ordering Information P N 0013 1025 001 Rev F ...
Страница 52: ...7 2 Reference Drawings P N 0013 1025 001 Rev F Intro FIGURE 7 2 Simplified Circuit Diagram ...
Страница 54: ...A 2 Differences from the MAX 400 P N 0013 1025 001 Rev F ...
Страница 58: ...Help 4 Documentation Improvement Form P N 0013 1025 001 Rev F Second Fold Tape First Fold ...