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Danfoss servo motor repair 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.

Danfoss Servo Motor Repair Services by Roc Industrial LLC

Is your Danfoss servo motor malfunctioning and impacting your critical operations? Roc Industrial LLC specializes in providing fast, reliable, and expert Danfoss servo motor repair services. We understand the importance of minimizing downtime, and our experienced technicians are equipped to diagnose and repair a wide range of Danfoss servo motor issues. With our commitment to quality and speed, you can trust Roc Industrial LLC to get your Danfoss servo motors back up and running quickly and efficiently. We offer comprehensive testing, refurbishment, and component-level repairs to ensure optimal performance. Trust Roc Industrial LLC as your trusted partner for all your Danfoss servo motor repair needs.



About Danfoss Servo Motors

Danfoss is a globally recognized leader in the development and manufacturing of high-performance servo motors. Known for their precision, reliability, and energy efficiency, Danfoss servo motors are widely used in a variety of demanding industrial applications. These motors are integral components in systems requiring precise motion control, such as robotics, CNC machinery, packaging equipment, and automated assembly lines. Danfoss servo motors are engineered to deliver exceptional performance and durability, making them a preferred choice for industries seeking reliable and efficient automation solutions. Their commitment to innovation and quality has solidified Danfoss's reputation as a leading provider of servo motor technology.


Danfoss servo motors are designed to meet the rigorous demands of modern industrial environments. They offer a wide range of features, including high torque density, precise positioning capabilities, and robust construction. These motors are often integrated with advanced control systems to provide seamless and efficient operation. The versatility and reliability of Danfoss servo motors make them a crucial asset in enhancing productivity and optimizing performance across various industrial sectors. From intricate robotic movements to high-speed CNC machining, Danfoss servo motors deliver the precision and power required for demanding applications.



Supported Models & Series

We repair a wide range of Danfoss servo motor models and series, including but not limited to:

  • BSM Series (BSM50, BSM63, BSM71, BSM80, BSM90, BSM100)

  • MP Series (MP1, MP2, MP3, MP4)

  • BM Series (BM1, BM2, BM3)

  • Servo Motors for VLT AutomationDrive FC 302

  • Servo Motors for VLT Servo Drive FC 400

  • AKM Series (AKM2G, AKM3G, AKM4G)

  • Custom Danfoss Servo Motor Solutions

  • MCI Series

  • MCA Series

  • Drives and Inverters


Common Danfoss Servo Motor Problems We Repair

Danfoss servo motors, while highly reliable, can experience failures due to various factors such as wear and tear, environmental conditions, and electrical issues. Recognizing these common problems can help you identify the need for professional repair services. Roc Industrial LLC is experienced in troubleshooting and resolving a wide range of Danfoss servo motor issues.

  • No Output/Loss of Torque: The motor fails to generate sufficient torque or provide any output, often due to winding failures or damaged magnets.

  • Overheating: Excessive heat buildup within the motor, potentially caused by overload, insufficient cooling, or internal component failures.

  • Communication Errors: Issues with the communication interface between the motor and the control system, leading to operational disruptions.

  • Encoder Faults: Malfunctions in the encoder, resulting in inaccurate position feedback and control errors.

  • Vibration and Noise: Unusual vibrations or noises during operation, indicating potential bearing damage or mechanical imbalances.

  • Blown Fuses/Tripped Breakers: Electrical faults causing fuses to blow or breakers to trip, often due to short circuits or insulation breakdown.

  • Positioning Errors: Inaccurate or inconsistent positioning, stemming from encoder problems, control system issues, or mechanical wear.

  • Winding Shorts: Short circuits within the motor windings, leading to reduced performance or complete failure.

  • Bearing Failure: Worn or damaged bearings causing increased friction, noise, and eventual motor seizure.

  • Moisture Contamination: Ingress of moisture leading to corrosion, insulation breakdown, and electrical faults.


Our Danfoss Servo Motor Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality Danfoss servo motor repairs. Our step-by-step approach guarantees that every motor is thoroughly evaluated, repaired, and tested to meet or exceed original performance specifications.

  1. Free Evaluation and Quote: We begin with a free, no-obligation evaluation of your Danfoss servo motor. Our technicians conduct a preliminary assessment to identify potential issues 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 motor arrives safely at our repair facility. We can also arrange for pickup services for larger or more complex units.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, your Danfoss servo motor undergoes a thorough diagnostic process using state-of-the-art test equipment. This includes insulation testing, winding analysis, encoder testing, and mechanical inspections to pinpoint the root cause of the failure.

  4. Component-Level Repair and Replacement: Our skilled technicians perform component-level repairs, replacing faulty components with high-quality replacements. We source genuine Danfoss parts whenever possible to ensure optimal performance and longevity. This includes replacing bearings, encoders, seals, and other critical components.

  5. Load Testing and Quality Checks: After the repair, your Danfoss servo motor undergoes rigorous load testing to simulate real-world operating conditions. We monitor performance parameters such as torque, speed, and temperature to ensure it meets or exceeds original specifications. Comprehensive quality checks are performed to verify the integrity of the repair.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty on all Danfoss servo motor repairs. Your repaired motor is carefully packaged and returned to you, along with detailed documentation of the repair process. Our customer support team is available to answer any questions and provide ongoing assistance.


Nationwide Repair Services

Roc Industrial LLC provides Danfoss servo motor repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and efficient repair solutions regardless of your location. Whether you are in New York, Los Angeles, Chicago, Houston, or Dallas, we can help.


We offer fast shipping options and quick turnaround times to minimize disruption to your operations. Our streamlined repair process and extensive inventory of parts allow us to expedite repairs and get your Danfoss servo motors back in service as quickly as possible. Contact us today to learn more about our nationwide repair services.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: With over three decades of experience in industrial equipment repair, Roc Industrial LLC has the expertise to handle even the most complex Danfoss servo motor repairs.

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

  • Thousands of Parts in Stock: Our extensive inventory of parts allows us to expedite repairs and minimize downtime.

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

  • ISO-Certified Repair Processes: Our ISO-certified repair processes ensure consistent quality and adherence to industry best practices.

  • Exceptional Customer Support: Our dedicated customer support team is available to answer your questions and provide ongoing assistance throughout the repair process.

Don’t let a faulty Danfoss servo motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair.

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