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CNC control board MOSFET failure exchange program for Heidenhain

ISO 9001:2015 Certified Quality

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

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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.

Heidenhain CNC Control Board Repair Services by Roc Industrial LLC

Is your Heidenhain CNC control board malfunctioning? Roc Industrial LLC offers comprehensive Heidenhain CNC control board repair services to get your machinery back up and running quickly and efficiently. We understand the critical role these boards play in your CNC operations, and we are committed to providing fast, reliable, and expert repairs. With decades of experience and a vast inventory of parts, Roc Industrial LLC is your trusted partner for Heidenhain CNC control board troubleshooting, testing, and refurbishment. Our focus is on minimizing downtime and maximizing the lifespan of your valuable equipment. We offer free evaluations and warranty-backed repairs, ensuring your complete satisfaction.



About Heidenhain CNC Control Boards

Heidenhain is a globally recognized leader in precision measurement and control technology. Their CNC control boards are renowned for their accuracy, reliability, and advanced features, making them a staple in industries such as aerospace, automotive, medical device manufacturing, and general machining. Heidenhain CNC control boards are integral to the precise control of machine tools, enabling complex movements and intricate machining operations. These boards are designed to interface with various components, including servo drives, motors, encoders, and sensors, to ensure seamless and accurate performance. The brand's commitment to innovation and quality has solidified its position as a top choice for manufacturers seeking high-performance CNC solutions.


Heidenhain CNC control boards are used in a wide array of applications, from simple milling and turning operations to complex multi-axis machining centers. Their advanced features, such as real-time adaptive control and sophisticated error compensation algorithms, allow for unparalleled precision and efficiency. These control boards are designed to withstand the demanding conditions of industrial environments, but even the most robust systems can experience failures over time. When a Heidenhain CNC control board malfunctions, it can lead to significant downtime and production losses. Roc Industrial LLC is here to provide the expert repair services you need to minimize these disruptions and keep your operations running smoothly.



Supported Models & Series

We repair a wide range of Heidenhain CNC control board models and series, including but not limited to:

  • TNC 150 Series

  • TNC 310 Series

  • TNC 320 Series

  • TNC 410 Series

  • TNC 426/430 Series

  • TNC 530 Series

  • TNC 620 Series

  • TNC 640 Series

  • iTNC 530 Series

  • MillPlus Series

  • Plus iT Series

  • Heidenhain MC 5000 Series

  • Heidenhain BE 411 Series

  • Heidenhain IK 320 Series

This is not an exhaustive list. Please contact us with your specific model number for a free evaluation.



Common Heidenhain CNC Control Board Problems We Repair

Heidenhain CNC control boards are complex electronic devices, and a variety of issues can lead to their failure. We understand the common problems that plague these boards and have the expertise to diagnose and repair them effectively.

  • No Power or Intermittent Power Issues: The control board fails to power on or experiences intermittent power fluctuations, leading to operational instability.

  • Communication Errors: The board fails to communicate with other components, such as servo drives, motors, or the main CNC controller, resulting in system errors.

  • Display Problems: The display screen is blank, distorted, or shows incorrect information, hindering operator interaction.

  • Encoder Feedback Errors: The board receives incorrect or no feedback from encoders, leading to inaccurate positioning and machining.

  • Axis Control Problems: One or more axes fail to move correctly, resulting in dimensional inaccuracies and scrapped parts.

  • Memory Errors: The board experiences memory corruption or failures, leading to program errors and data loss.

  • Overheating: The board overheats due to component failures or inadequate cooling, causing performance degradation and potential damage.

  • Blown Fuses: Frequent fuse failures indicate underlying component problems that need to be addressed.

  • MOSFET Failures: MOSFETs, critical components for power switching, can fail due to voltage spikes, overheating, or age. We offer a specialized MOSFET failure exchange program.

  • Software Corruption: The board's software becomes corrupted, leading to operational errors and system instability.

  • Input/Output (I/O) Failures: Input or output signals fail to function correctly, affecting the control of peripheral devices and sensors.

  • Backplane Issues: Problems with the backplane connectors or traces can disrupt communication and power distribution within the board.


Our Heidenhain CNC Control Board Repair Process

At Roc Industrial LLC, we follow a rigorous and comprehensive repair process to ensure the highest quality repairs and minimize downtime for our customers. Our process is designed to identify the root cause of the problem and implement effective solutions that restore your Heidenhain CNC control board to optimal performance.

  1. Free Evaluation and Quote: Contact us with details about your Heidenhain CNC control board and the issues you are experiencing. We offer a free evaluation to assess 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 clear and concise shipping instructions to ensure the safe and secure transport of your control board to our repair facility. We recommend using appropriate packaging materials to protect the board from damage during shipping.

  3. Diagnosis Using Specialized Test Equipment: Upon receiving your control board, our experienced technicians will conduct a thorough diagnosis using specialized test equipment and techniques. We utilize advanced diagnostic tools to pinpoint the exact cause of the failure and identify any other potential issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our technicians are skilled in soldering, desoldering, and other advanced repair techniques. We also offer a specialized MOSFET failure exchange program for common MOSFET failures.

  5. Load Testing and Quality Checks: After the repair is complete, we subject the control board to rigorous load testing and quality checks to ensure that it meets or exceeds original performance specifications. We simulate real-world operating conditions to verify the board's reliability and stability.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. If you experience any issues with the repaired control board within the warranty period, we will provide prompt and effective support to resolve the problem.


Nationwide Repair Services

Roc Industrial LLC provides Heidenhain CNC control board repair services to customers nationwide. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help you get your equipment back up and running quickly. We offer fast shipping options and quick turnaround times to minimize downtime and keep your operations on schedule.


We understand the importance of minimizing downtime, and we are committed to providing our customers with the fastest and most reliable repair services possible. Our nationwide network allows us to serve customers across the country efficiently and effectively. Contact us today to learn more about our Heidenhain CNC control board repair services and how we can help you keep your operations running smoothly.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: With over three decades of experience in industrial electronic repair, we have the knowledge and expertise to handle even the most complex Heidenhain CNC control board repairs.

  • Warranty-Backed Repairs: We stand behind our repairs with a comprehensive warranty, giving you peace of mind and ensuring your complete satisfaction.

  • Thousands of Parts in Stock: Our extensive inventory of parts allows us to complete repairs quickly and efficiently, minimizing downtime for our customers.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, and we offer fast turnaround times, often providing same-day service for urgent repairs.

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

  • Exceptional Customer Support: We are committed to providing our customers with exceptional customer support. Our knowledgeable and friendly staff is always available to answer your questions and address your concerns.

Don't let a faulty Heidenhain CNC control board slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for Heidenhain CNC control board repair, service, troubleshooting, testing, and refurbishment. We also offer a specialized CNC control board MOSFET failure exchange program.

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