EXPERT SERVO DRIVE OVERCURRENT/OVERVOLTAGE FAULT REPAIR SERVICES

Is your servo drive tripping on overcurrent or overvoltage faults? These faults indicate a serious problem that can damage your equipment and halt production. ROC Industrial specializes in diagnosing and repairing the root causes of overcurrent and overvoltage faults in servo drives. We offer fast, reliable, and cost-effective solutions to get your equipment back in operation.

Understanding Overcurrent and Overvoltage Faults

• Overcurrent Faults: Occur when the servo motor draws more current than the drive is rated to supply. This can be caused by a variety of factors, both internal and external to the drive.

• Overvoltage Faults: Occur when the voltage supplied to the drive, or the voltage generated within the drive (especially during regenerative braking), exceeds safe limits.

Common Causes of Overcurrent Faults

• Motor Problems: Shorted motor windings, a seized motor, or a motor that is too large for the drive.

• Mechanical Binding: Excessive load or binding in the machine being driven by the motor.

• Incorrect Parameter Settings: Incorrect current limits, acceleration/deceleration rates, or other drive parameters.

• Wiring Problems: Short circuits in the motor cables or wiring.

• Drive Component Failure: Faulty IGBTs, current sensors, or other internal components within the drive.

• Ground Faults

Common Causes of Overvoltage Faults

• Regenerative Braking Issues: When a motor decelerates, it can act as a generator, sending voltage back to the drive. If this voltage is too high, it can trigger an overvoltage fault. This is especially common in applications with high inertia loads.

• Incorrect Parameter Settings: Incorrect DC bus voltage settings or braking resistor configuration.

• Power Supply Issues: High input voltage from the mains.

• Drive Component Failure: Faulty components in the drive's DC bus or braking circuit.

Servo Drive Brands We Service (Overcurrent/Overvoltage Faults)

We repair overcurrent and overvoltage faults on all major servo drive brands, including:

• Allen-Bradley

• Fanuc

• Siemens

• Yaskawa

• Mitsubishi Electric

• Schneider Electric

• ABB

• Omron

• Delta

• Beckhoff

• B&R Industrial Automation

• Lenze

• Indramat (now Bosch Rexroth)

• Kollmorgen

• Parker

• Emerson

Our Servo Drive Overcurrent/Overvoltage Fault Repair Process

1. Free Evaluation & Quote: Describe the fault and your servo drive model. We provide a free quote.

2. Shipping: Ship the drive to our facility.

3. Diagnosis: Our technicians use specialized diagnostic equipment to identify the root cause of the fault. This may involve:Testing the motor windings.
   Inspecting the mechanical system for binding.
   Checking drive parameters.
   Testing internal drive components.
   Analyzing fault codes and waveforms.

4. Repair/Replacement: We perform the necessary repairs, which may include:Repairing or replacing the servo motor.
   Replacing faulty drive components (IGBTs, capacitors, etc.).
   Correcting wiring problems.
   Adjusting drive parameters.

5. Testing & Quality Assurance: We thoroughly test the repaired drive under load.

6. Fast Turnaround: Minimize downtime.

7. Warranty: We offer a comprehensive warranty.

Why Choose ROC Industrial for Overcurrent/Overvoltage Fault Repair?

• Expert Technicians: Our team has extensive experience with servo drive troubleshooting.

• Advanced Diagnostic Tools: We use specialized equipment to find the root cause.

• Cost-Effective Solutions: Repair is often much cheaper than replacement.

• Fast Turnaround Times: Minimize downtime.

• Comprehensive Warranty: We stand behind our work.

Get Your Servo Drive Faults Resolved!

Don't let overcurrent or overvoltage faults disrupt your production. Contact ROC Industrial for a free quote and expert servo drive repair services.