Servo drives are a key part of many machines and automation systems. They help control motor speed, movement, and precision. But like any piece of equipment, they can wear out or develop problems. Catching issues early can save you time and money. Here’s how to tell if your servo drive needs repair.
1. Strange Motor Movements
Is Your Motor Acting Up?
If your motor moves unpredictably—speeding up, slowing down, or stopping without reason—your servo drive may be failing. This could be due to overheating, weak power signals, or faulty internal components. If you notice any of these behaviors, try resetting the system or running a diagnostic check.
2. Overheating Problems
Feeling the Heat?
All servo drives generate heat, but if yours is too hot to touch or keeps shutting down due to high temperatures, something’s wrong. The issue could be poor ventilation, a failing fan, or an overloaded system. Regularly cleaning vents and ensuring proper airflow can help prevent overheating.
3. Frequent Error Messages
Seeing Too Many Alarms?
Modern servo drives come with built-in error codes. If your control panel keeps displaying alarms or error messages, don’t ignore them. Check your manual to understand what the codes mean and whether your drive needs repair. If error messages persist, it may indicate a deeper issue that requires professional inspection.
4. Unusual Noises
Hearing Strange Sounds?
Servo drives should run quietly. If you hear buzzing, humming, or clicking, it could mean electrical issues or worn-out parts. Ignoring these sounds could lead to bigger problems down the line. Inspect the drive and surrounding components for loose connections or signs of wear.
5. Weak or Inconsistent Power
Is Your Motor Lacking Power?
A servo drive that can’t maintain proper power levels might be failing. If your motor isn’t as strong as it used to be, the drive could have a damaged circuit or aging components that need replacement. Voltage fluctuations could also be a factor, so testing the power supply is a good first step.
6. Constant Shutdowns
Does Your System Keep Stopping?
If your servo drive keeps shutting down, it may be due to overheating, electrical faults, or excessive load. Frequent shutdowns can lead to major disruptions in your operations. Consider reducing the workload or running a diagnostic test to identify the root cause.
7. Connection Issues
Losing Communication?
Servo drives need to communicate with controllers and other system parts. If your drive keeps losing connection, the problem could be faulty wiring, damaged connectors, or internal failures. Check cables for wear and ensure all connections are secure.
8. Signs of Physical Damage
Seeing Burn Marks or Cracks?
Check your servo drive for visible damage. Burnt components, scorch marks, or cracks on circuit boards are clear signs of failure. If you see these, your drive likely needs professional repair or replacement. Regularly inspecting your drive can help catch problems before they escalate.
Final Thoughts
A failing servo drive can slow down production and lead to costly repairs. Keeping an eye out for warning signs and addressing issues early will help extend the life of your equipment. Regular maintenance and timely fixes will keep your machines running smoothly and efficiently. Taking proactive steps today can save you from major disruptions tomorrow.
Call ACS Industrial for Repairs and Service for Your Servo Motors!
Knowing how to keep servo motors running can be tough, but you don’t have to do it alone. At ACS Industrial Services, we specialize in preventative maintenance and repair services for industrial electronic equipment.
With over 20 years of experience, ACS is a leading industrial repair service provider when things break. We repair many different components of machinery across various makes and models. We provide a rapid turnaround time. Most repairs are back in your hands within 7-15 business days, with our Rush Repair Service typically shipping in just 3-5 business days.
Contact us for a FREE evaluation and a no-obligation quote, or call (800) 605-6419.