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Parker VFD refurbishment for ground fault

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.

Parker VFD Repair Services by Roc Industrial LLC

Is your Parker VFD (Variable Frequency Drive) malfunctioning? Roc Industrial LLC provides expert Parker VFD repair services, ensuring your critical equipment is back up and running quickly and efficiently. VFDs, also known as adjustable-frequency drives (AFDs), variable-speed drives (VSDs), AC drives, or inverter drives, are essential components in modern industrial automation, controlling the speed of AC motors by varying the frequency and voltage supplied to the motor. When a Parker VFD fails, it can lead to significant downtime and lost productivity. Roc Industrial LLC offers reliable and fast Parker VFD repair, troubleshooting, and refurbishment services. We understand the urgency of getting your operations back on track, which is why we prioritize speed and reliability in every repair. Trust Roc Industrial LLC as your trusted partner for all your Parker VFD service needs. We offer free evaluations and warranty-backed repairs.



About Parker VFDs

Parker Hannifin is a global leader in motion and control technologies, and their VFDs are renowned for their performance, reliability, and advanced features. Parker VFDs are used in a wide range of industrial applications, from simple pump and fan control to complex automation systems. They offer precise motor control, energy savings, and improved process efficiency. The Parker VFD product line includes a variety of models designed to meet the specific needs of different applications, ranging from compact drives for small motors to high-performance drives for demanding industrial environments. Parker VFDs are known for their robust design, user-friendly interfaces, and advanced control algorithms.


These VFDs are commonly found in industries such as manufacturing, oil and gas, water treatment, and HVAC. They play a crucial role in optimizing motor performance, reducing energy consumption, and improving overall system efficiency. Parker VFDs are integral to CNC machines, robotics, automated assembly lines, and various other industrial processes where precise motor control is essential. Their reputation for durability and performance makes them a preferred choice for many industrial applications. Roc Industrial LLC has extensive experience in servicing and repairing a wide range of Parker VFD models, ensuring that your equipment operates at peak performance.



Supported Models & Series

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

  • Parker AC10 Series

  • Parker AC30 Series

  • Parker AC690+ Series

  • Parker 605 Series

  • Parker 650 Series

  • Parker 890 Series

  • Parker SSD 590+ Series DC Drives

  • Parker SSD 690 Series AC Drives

  • Parker 1600 Series

  • Parker 1700 Series

  • Parker 8903 Series

  • Parker 8905 Series

  • Parker 890CD Series

  • Parker 890SD Series

  • Specific models within these series, such as AC10-1010-xxxx, AC30-10T-xxxx, 690PB-xxxx, and more.

  • Parker Inverter Drives

  • Parker Compact Drives

If you don't see your specific model listed, please contact us. Our technicians are experienced in repairing a vast array of Parker VFDs, including legacy models and specialized units.



Common Parker VFD Problems We Repair

Parker VFDs are generally reliable, but like all electronic equipment, they can experience failures over time. We address a wide spectrum of problems, from minor component issues to major system malfunctions. Here are some of the common problems we repair:

  • Ground Faults: Often caused by insulation breakdown or wiring issues, leading to current leakage.

  • Overvoltage/Undervoltage Errors: Resulting from power supply fluctuations or internal component failures.

  • Communication Errors: Problems with network connectivity or internal communication protocols.

  • Overheating: Caused by inadequate cooling, component failure, or excessive load.

  • Blown Fuses: Indicating a short circuit or overload condition.

  • Encoder Faults: Issues with the encoder feedback system, leading to inaccurate motor control.

  • No Output: Complete failure of the VFD to provide power to the motor.

  • Inconsistent Speed Control: Erratic or unstable motor speed regulation.

  • Drive tripping: Frequent and unexplained shutdowns of the VFD.

  • Display Issues: Problems with the VFD's display screen, making it difficult to monitor parameters.

  • IGBT Failures: Failures of the Insulated Gate Bipolar Transistors, critical for power switching.

  • Capacitor Degradation: Aging or failure of capacitors, affecting voltage stability.


Our Parker VFD Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality Parker VFD repairs. Our process includes:

  1. Free Evaluation and Quote: We start with a thorough evaluation of your faulty Parker VFD to identify the root cause of the problem. We then provide you with a detailed quote for the repair, with no hidden fees.

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

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic tools and equipment to pinpoint the exact components that need repair or replacement. This includes in-circuit testing, waveform analysis, and thermal imaging.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing only the faulty components with high-quality replacements. This approach saves you money and reduces waste. We stock thousands of parts to expedite the repair process.

  5. Load Testing and Quality Checks: After the repair, we subject the VFD to rigorous load testing to ensure it performs flawlessly under real-world conditions. We also conduct thorough quality checks to verify that all parameters are within specifications.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. If you experience any issues after the repair, we will provide prompt and professional support.


Nationwide Repair Services

Roc Industrial LLC provides Parker VFD repair services to customers nationwide. No matter where you are located, we can help you get your equipment back up and running quickly. We serve customers in major metro areas such as New York, Los Angeles, Chicago, Houston, and Dallas, as well as smaller towns and rural areas across the country. We offer fast shipping options and quick turnaround times to minimize downtime. Our streamlined logistics and efficient repair processes enable us to provide timely and cost-effective solutions for all your Parker VFD repair needs.



Why Choose Roc Industrial LLC?

When you choose Roc Industrial LLC for your Parker VFD repair needs, you benefit from our:

  • 30+ Years of Experience: Our technicians have decades of experience in repairing industrial electronic equipment, including Parker VFDs.

  • 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 expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your equipment back up and running, and we strive to provide the fastest possible turnaround times, often offering same-day service.

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

  • Exceptional Customer Support: Our friendly and knowledgeable customer support team is always available to answer your questions and provide assistance.

Don’t let a faulty Parker VFD slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Parker VFD repair. We specialize in Parker VFD refurbishment for ground fault and other common issues. Our expert technicians are ready to help you get your equipment back up and running quickly and efficiently. Trust Roc Industrial LLC for all your Parker VFD service needs.

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