top of page

Fanuc CNC Drive Repair Fast Turnaround

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

​

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Fanuc CNC Drive Repair ' Fast Turnaround

Is your Fanuc CNC drive malfunctioning and causing downtime? Roc Industrial LLC specializes in fast and reliable Fanuc CNC drive repair services to get your CNC machines back up and running quickly. We understand the critical role these drives play in your manufacturing operations, and our expert technicians are equipped to diagnose and repair a wide range of issues. With decades of experience and a commitment to quality, Roc Industrial LLC is your trusted partner for Fanuc CNC drive repairs.



About Fanuc CNC Drives

Fanuc is a global leader in CNC (Computer Numerical Control) systems, robotics, and factory automation. Their CNC drives are integral components of CNC machines, responsible for precisely controlling the motion of motors that drive axes, spindles, and other critical functions. Fanuc CNC drives are renowned for their reliability, precision, and performance, making them a staple in industries ranging from aerospace and automotive to medical and electronics manufacturing.


Fanuc CNC drives are designed to withstand demanding industrial environments, but even the most robust equipment can experience failures over time. These drives are sophisticated pieces of technology, and require specialized knowledge and equipment to properly diagnose and repair. Roc Industrial LLC has invested heavily in the training and tools necessary to provide comprehensive Fanuc CNC drive repair services, ensuring that your equipment is restored to optimal performance.



Supported Models & Series

We repair a wide range of Fanuc CNC drive models and series, including but not limited to:

  • Fanuc AC Servo Amplifier Series: A06B-6058, A06B-6059, A06B-6077, A06B-6079, A06B-6088, A06B-6093, A06B-6096

  • Fanuc AC Spindle Amplifier Series: A06B-6055, A06B-6063, A06B-6076, A06B-6087, A06B-6114

  • Fanuc Servo Amplifier Modules: Ai Series, AiS Series, Alpha i Series, Beta i Series

  • Fanuc Power Supply Modules: A06B-6111, A06B-6114, A06B-6140

  • Fanuc I/O Modules: Various models for signal processing and control

  • Fanuc Digital Servo Units: Including models from the 0i, 16i, 18i, 21i, and 30i series

  • Fanuc Alpha Series Servo Drives: A06B-0127, A06B-0128, A06B-0151, A06B-0155

  • Fanuc Beta Series Servo Drives: A06B-0111, A06B-0112, A06B-0113

  • Fanuc Alpha i Series Servo Drives: A06B-0205, A06B-0212, A06B-0222

  • Fanuc Beta i Series Servo Drives: A06B-0141, A06B-0142, A06B-0143

  • Fanuc Spindle Drives: A06B-6102, A06B-6122, A06B-6132

  • Fanuc Power Mate Series Drives

  • Fanuc Servo Motor Amplifiers: Including single-axis and multi-axis configurations

This is not an exhaustive list. Contact us with your specific Fanuc CNC drive model number for a free evaluation and repair quote.



Common Fanuc CNC Drive Problems We Repair

Fanuc CNC drives are complex electronic devices, and a variety of issues can lead to their failure. Recognizing these common problems can help you identify the need for professional repair services. Roc Industrial LLC has extensive experience troubleshooting and repairing these common issues:

  • No Output: The drive fails to provide power to the motor, resulting in a complete standstill. This can be due to internal component failure, power supply issues, or control circuit problems.

  • Overvoltage/Undervoltage Errors: The drive detects voltage levels outside of acceptable ranges, triggering a fault. This can be caused by power supply fluctuations, wiring issues, or component degradation.

  • Communication Errors: The drive loses communication with the CNC controller, preventing proper operation. This can be due to faulty communication cables, damaged interface boards, or software glitches.

  • Overheating: The drive overheats due to excessive load, inadequate cooling, or component failure. Overheating can lead to premature component failure and drive malfunction.

  • Blown Fuses: Fuses blow repeatedly, indicating an underlying problem such as a short circuit or component failure. Replacing the fuse without addressing the root cause will only lead to further issues.

  • Encoder Faults: The encoder, which provides feedback on motor position, malfunctions, leading to inaccurate positioning or erratic motor behavior. Encoder faults can be caused by physical damage, contamination, or electronic failure.

  • Drive Overload: The drive experiences an overload condition, exceeding its current or power limits. This can be caused by excessive load on the motor, incorrect drive settings, or mechanical issues.

  • Axis Runaway: Uncontrolled movement of the axis, posing a safety hazard and potentially damaging the machine. This can be caused by encoder failure, drive malfunction, or software errors.

  • Parameter Loss: The drive loses its programmed parameters, requiring reprogramming and recalibration. This can be caused by power outages, memory corruption, or component failure.

  • Power Supply Failure: The internal power supply of the drive fails, preventing the drive from powering up or operating correctly.

  • Current Imbalance: Unequal current distribution among the drive's phases, indicating a potential issue with the motor, wiring, or drive components.

  • Ground Faults: Current leakage to ground, posing a safety hazard and potentially damaging the drive.


Our Fanuc CNC Drive Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality Fanuc CNC drive repairs. Our process is designed to quickly diagnose the problem, efficiently repair the drive, and thoroughly test it to ensure reliable performance.

  1. Free Evaluation and Quote: Contact us with your Fanuc CNC drive model number and a description of the problem. We offer a free evaluation to determine the extent of the damage and provide you with a detailed repair quote.

  2. Shipping Instructions: Once you approve the quote, we will provide you with detailed shipping instructions to ensure your drive arrives safely at our repair facility. We recommend using appropriate packaging materials to protect the drive during transit.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use state-of-the-art test equipment to thoroughly diagnose the drive. We perform a comprehensive inspection of all components, including power supplies, control circuits, and output stages.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We use only genuine Fanuc parts or equivalent replacements to ensure optimal performance and reliability.

  5. Load Testing and Quality Checks: After the repair is complete, we perform rigorous load testing to simulate real-world operating conditions. We monitor the drive's performance under various loads and stress levels to ensure it meets or exceeds original specifications.

  6. Warranty-Backed Return and Support: All of our Fanuc CNC drive repairs are backed by a comprehensive warranty. We stand behind our work and are committed to providing exceptional customer support. If you experience any issues with your repaired drive, simply contact us, and we will promptly address your concerns.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc CNC drive repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and reliable repair services to minimize disruption to your operations. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help.


We offer fast shipping options and quick turnaround times to get your Fanuc CNC drive back in operation as quickly as possible. Our experienced technicians are available to answer your questions and provide technical support. Contact us today to learn more about our nationwide repair services.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: Roc Industrial LLC has over 30 years of experience in industrial electronic repair, including extensive experience with Fanuc CNC drives.

  • Warranty-Backed Repairs: All of our Fanuc CNC drive repairs are backed by a comprehensive warranty, providing you with peace of mind.

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc parts, allowing us to quickly repair your drive and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your CNC machine back in operation, and we offer fast turnaround times, often with same-day service available.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest quality and reliability.

  • Exceptional Customer Support: We are committed to providing exceptional customer support. Our experienced technicians are available to answer your questions and provide technical assistance.

Don't let a faulty Fanuc CNC drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Fanuc CNC drive repair.

bottom of page