top of page
Main Image.png

Keyence inverter emergency repair troubleshooting guide

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.

Keyence Inverter Repair Services by Roc Industrial LLC

Is your Keyence inverter malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Keyence inverter repair services. We understand the critical role inverters play in your industrial automation systems. Our experienced technicians are equipped to diagnose and repair a wide range of Keyence inverter models, ensuring your equipment is back up and running as quickly as possible. Roc Industrial LLC is your trusted partner for all your Keyence inverter service needs, offering unparalleled expertise and customer support.



About Keyence Inverters

Keyence is a globally recognized leader in industrial automation, known for its innovative and high-performance products. Keyence inverters are integral components in various applications, providing precise motor control and energy efficiency. These inverters are designed to meet the demanding requirements of modern manufacturing environments, offering advanced features and robust performance. Keyence inverters are widely used in CNC machines, robotics, packaging equipment, and other automated systems, contributing to increased productivity and operational efficiency.


Keyence inverters are renowned for their reliability and advanced functionality. However, like all electronic equipment, they are susceptible to failures due to wear and tear, environmental factors, or electrical surges. When a Keyence inverter malfunctions, it can lead to significant downtime and production losses. That's where Roc Industrial LLC comes in. We provide comprehensive Keyence inverter repair services to minimize downtime and restore your equipment to optimal performance. Our team has extensive experience working with Keyence products and understands the intricacies of their design and operation.



Supported Models & Series

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

  • ZV Series: Including ZV-200, ZV-300, ZV-400, ZV-500, ZV-600

  • SV Series: Including SV-050, SV-100, SV-200, SV-300

  • SG Series: Including SG-1000, SG-1500, SG-2000, SG-3000

  • SZ Series: Including SZ-V11, SZ-V12, SZ-V15, SZ-V20

  • VG Series: Including VG-050, VG-100, VG-200, VG-300

  • Keyence Servo Drives with integrated Inverter functionality: (Contact us with specific model numbers)

If your specific Keyence inverter model is not listed above, please contact us. We have the expertise and resources to repair a wide variety of Keyence industrial equipment.



Common Keyence Inverter Problems We Repair

Keyence inverters are built to last, but they can experience various issues over time. Recognizing these common problems can help you identify the need for professional repair services. Here are some of the common Keyence inverter failures we address:

  • No Output: The inverter fails to provide any output voltage or current to the motor.

  • Overvoltage Fault: The inverter detects an overvoltage condition on the DC bus or output.

  • Undervoltage Fault: The inverter detects an undervoltage condition on the DC bus.

  • Overcurrent Fault: The inverter detects an excessive current draw, potentially damaging the inverter or motor.

  • Communication Errors: The inverter fails to communicate with the PLC or other control systems.

  • Overheating: The inverter overheats due to excessive load, inadequate cooling, or component failure.

  • Blown Fuses: Fuses within the inverter blow due to overcurrent or short circuits.

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

  • Drive Not Ready: The inverter fails to initialize or enter the ready state.

  • Parameter Errors: Incorrect or corrupted parameter settings causing malfunction.

  • IGBT Failures: Failure of the Insulated Gate Bipolar Transistors (IGBTs) within the inverter's power stage.

  • Display Issues: Faulty or unreadable display screens.


Our Keyence Inverter Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure the highest quality Keyence inverter repairs. Our process is designed to identify the root cause of the problem and implement effective solutions to restore your equipment to optimal performance.

  1. Free Evaluation and Quote: We offer a free evaluation of your Keyence inverter to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees, and you'll know the cost upfront.

  2. Shipping Instructions: Once you approve the quote, we provide clear and easy-to-follow shipping instructions to ensure your inverter arrives safely at our repair facility. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic tools and equipment to thoroughly assess your Keyence inverter. We identify the faulty components and determine the underlying cause of the failure.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing only the faulty components with high-quality replacements. This approach saves you money compared to replacing the entire inverter. We maintain a large inventory of Keyence inverter components to ensure fast turnaround times.

  5. Load Testing and Quality Checks: After the repair, we subject the inverter to rigorous load testing to ensure it performs reliably under real-world conditions. We also conduct thorough quality checks to verify that all functions are working correctly.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty on all Keyence inverter repairs. If you experience any issues after the repair, simply contact us, and we'll resolve the problem promptly. We also provide ongoing technical support to answer your questions and address any concerns.


Nationwide Repair Services

Roc Industrial LLC provides Keyence inverter repair services to customers nationwide. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help you get your Keyence inverter back in operation quickly. We offer fast shipping options and quick turnaround times to minimize downtime and keep your operations running smoothly.


We understand that downtime can be costly, which is why we prioritize speed and efficiency in our repair process. Our team works diligently to diagnose and repair your Keyence inverter as quickly as possible without compromising quality. We also offer expedited repair services for critical situations where downtime needs to be minimized.



Why Choose Roc Industrial LLC?

When it comes to Keyence inverter repair, Roc Industrial LLC is the clear choice. We offer a combination of expertise, experience, and customer service that is unmatched in the industry.

  • 30+ Years of Experience: We have over 30 years of experience in industrial electronic repair, including extensive experience with Keyence inverters.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty on all repairs.

  • Thousands of Parts in Stock: We maintain a large inventory of Keyence inverter components to ensure fast turnaround times.

  • 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 quality and reliability.

  • Exceptional Customer Support: We provide exceptional customer support throughout the repair process, from initial evaluation to post-repair support.

Don't let a faulty Keyence inverter slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Keyence inverter repair. We are committed to providing you with the best possible service and support to keep your equipment running smoothly.

bottom of page