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Festo resolver troubleshooting and refurbishment

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.

Festo Resolver Repair Services by Roc Industrial LLC

Is your Festo resolver malfunctioning? Roc Industrial LLC provides expert Festo resolver repair services, ensuring your automation systems run smoothly. We specialize in fast, reliable, and cost-effective repairs for a wide range of Festo resolvers. With decades of experience and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Festo resolver troubleshooting and refurbishment needs. Our team of skilled technicians is equipped to diagnose and repair even the most complex issues, minimizing downtime and maximizing productivity. We understand the critical role resolvers play in your operations, and we're dedicated to providing solutions that get you back up and running quickly.



About Festo Resolvers

Festo is a global leader in automation technology, renowned for its high-quality pneumatic and electric drive systems, control technology, and connectivity solutions. Festo resolvers are integral components in many of their servo motors and positioning systems, providing precise feedback on motor position and speed. These resolvers are known for their robustness and accuracy, making them a popular choice in demanding industrial applications. Festo's commitment to innovation and reliability has made them a trusted name in industries such as manufacturing, automotive, packaging, and electronics. Their resolvers are designed to withstand harsh environments and provide consistent performance over long periods.


Festo resolvers are widely used in CNC machines, robotics, automated assembly lines, and other applications requiring precise motion control. Their ability to provide accurate position feedback is crucial for ensuring the smooth and efficient operation of these systems. A malfunctioning resolver can lead to significant performance issues, including inaccurate positioning, jerky movements, and even complete system failure. That's why it's essential to have access to reliable repair services when problems arise. Roc Industrial LLC offers comprehensive Festo resolver repair services to address these issues and keep your operations running smoothly.



Supported Models & Series

We repair a wide range of Festo resolver models and series, including but not limited to:

  • Festo EMMS Series Resolvers

  • Festo EMME Series Resolvers

  • Festo ERVE Series Resolvers

  • Festo MTR-ST Series Resolvers

  • Festo Servo Motor Resolvers (various models)

  • Festo CMPG Series Resolvers

  • Festo CMMP Series Resolvers

  • Festo specific resolver units integrated within motor models such as: EMMS-AS-70-S-RMB, EMMS-AS-100-S-RMB

  • Custom Festo Resolver Solutions

If your specific Festo resolver model isn't listed, please contact us. We have the expertise and resources to repair a wide variety of Festo resolvers, even those that are less common.



Common Festo Resolver Problems We Repair

Festo resolvers, like any precision component, can experience failures over time. We specialize in diagnosing and repairing a wide range of common issues. Here are some of the common problems we address:

  • Loss of Signal: Resolver outputs a weak or non-existent signal.

  • Inaccurate Position Feedback: Resolver provides incorrect position readings, leading to positioning errors.

  • Signal Noise: Excessive noise in the resolver signal, causing instability and erratic behavior.

  • Open or Shorted Windings: Damage to the resolver windings, resulting in signal loss or inaccurate readings.

  • Contamination: Ingress of dirt, oil, or other contaminants, affecting resolver performance.

  • Bearing Failure: Worn or damaged bearings, causing excessive vibration and inaccurate readings.

  • Broken or Damaged Connectors: Physical damage to the resolver connectors, leading to signal loss or intermittent connections.

  • Resolver drift: Gradual change in resolver output over time, leading to inaccurate positioning.

  • Communication Errors: Faulty communication between the resolver and the drive system.

  • Overheating: Excessive heat buildup within the resolver, causing damage to internal components.


Our Festo Resolver Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality repairs for your Festo resolvers:

  1. Free Evaluation and Quote: We begin with a free evaluation of your Festo resolver to determine the extent of the damage and provide you with a detailed repair quote.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your resolver arrives safely at our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use specialized test equipment to thoroughly diagnose the resolver and identify the root cause of the problem. We utilize advanced techniques to pinpoint even the most subtle issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We source our parts from trusted suppliers to ensure the reliability and longevity of our repairs.

  5. Load Testing and Quality Checks: After the repair is complete, we subject the resolver to rigorous load testing and quality checks to ensure it meets or exceeds original performance specifications.

  6. Warranty-Backed Return and Support: We back our repairs with a comprehensive warranty, giving you peace of mind. We also provide ongoing support to answer any questions you may have.


Nationwide Repair Services

Roc Industrial LLC provides Festo resolver repair services to customers nationwide. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or anywhere else in the United States, we can help. We offer fast shipping options and quick turnaround times to minimize downtime and get your operations back up and running as quickly as possible. Our streamlined processes and efficient logistics ensure that your resolver is repaired and returned to you in a timely manner.


We understand the importance of minimizing downtime in today's fast-paced industrial environment. That's why we're committed to providing fast, reliable, and cost-effective repair services to our customers across the country. No matter where you're located, you can count on Roc Industrial LLC to provide the expert Festo resolver repair services you need.



Why Choose Roc Industrial LLC?

When it comes to Festo resolver repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: We have over 30 years of experience in industrial electronic repair, giving us the expertise to handle even the most complex Festo resolver repairs.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty, giving you peace of mind.

  • Thousands of Parts in Stock: We maintain a large inventory of parts, allowing us to complete repairs quickly and efficiently.

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

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

  • Exceptional Customer Support: We provide exceptional customer support, answering your questions and addressing your concerns promptly and professionally.

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

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