top of page
Main Image.png

Fanuc PLC CPU overnight repair with warranty

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.

Fanuc PLC CPU Repair Services by Roc Industrial LLC

Is your Fanuc PLC CPU malfunctioning and causing downtime? Roc Industrial LLC specializes in fast and reliable Fanuc PLC CPU repair services to get your automation systems back online quickly. We understand the critical role Programmable Logic Controllers (PLCs) play in modern industrial automation, and we are committed to providing expert repair solutions for Fanuc PLCs, minimizing disruption to your operations. Trust Roc Industrial LLC for all your Fanuc PLC CPU service needs.



About Fanuc PLCs

Fanuc is a globally recognized leader in factory automation, renowned for its high-performance and reliable products. Fanuc PLCs are integral components in a wide range of industrial applications, including CNC machines, robotics, and automated manufacturing systems. These PLCs are designed to control and monitor complex processes, ensuring precision and efficiency. Fanuc's commitment to innovation and quality has made its PLCs a trusted choice for manufacturers worldwide.


Fanuc PLC CPUs are the brains of these control systems, responsible for executing the programmed logic and managing communication between various components. A malfunctioning CPU can bring your entire production line to a standstill, resulting in significant losses. That's where Roc Industrial LLC comes in. We offer comprehensive Fanuc PLC CPU repair services to address a wide range of issues, ensuring your systems operate at peak performance.



Supported Models & Series

We repair a wide range of Fanuc PLC CPU models and series, including but not limited to:

  • Fanuc Series 90-30 PLC CPUs (e.g., IC693CPU364, IC693CPU366)

  • Fanuc Series 90-70 PLC CPUs (e.g., IC697CPU731, IC697CPU732)

  • Fanuc Series A06B PLC CPUs

  • Fanuc Series A16B PLC CPUs

  • Fanuc Series A20B PLC CPUs

  • Fanuc 31i-MODEL A CPU

  • Fanuc 30i/31i/32i-MODEL B CPU

  • Fanuc Power Mate CPUs

  • Fanuc 0i-MODEL F CPU

  • Fanuc 0i-MODEL D CPU

  • Fanuc R-30iA Controller CPUs

  • Fanuc R-30iB Controller CPUs

  • Fanuc R-30iB Plus Controller CPUs

If you don't see your specific model listed, please contact us. Our experienced technicians can likely repair it.



Common Fanuc PLC CPU Problems We Repair

Fanuc PLC CPUs, like any electronic component, can experience failures over time. We understand the frustration and downtime these issues can cause. Here are some common problems we repair:

  • CPU Failure/Dead CPU: The CPU fails to power on or initialize.

  • Communication Errors: Inability to communicate with other devices or modules on the network (e.g., Ethernet, Profibus, DeviceNet).

  • Memory Errors: Errors related to program memory, RAM, or ROM.

  • Backplane Issues: Problems with the backplane connectors or circuitry.

  • Power Supply Problems: Internal power supply failures leading to unstable operation.

  • Overheating: CPU overheating due to fan failure or component degradation.

  • I/O Module Communication Failures: Inability to communicate with input/output modules.

  • Program Corruption: Loss or corruption of the PLC program.

  • Real-Time Clock (RTC) Issues: Inaccurate or non-functional real-time clock.

  • Damaged Ports: Physical damage to communication ports (e.g., Ethernet, serial).

  • Blown Fuses: Internal fuses blowing repeatedly.

  • LED Indicator Problems: Incorrect or missing LED indications.

  • Firmware Corruption: Issues related to the PLC's firmware.

  • Bus Errors: Errors during data transfer on the internal bus.


Our Fanuc PLC CPU Repair Process

Roc Industrial LLC follows a rigorous and proven repair process to ensure the highest quality Fanuc PLC CPU repairs:

  1. Free Evaluation and Quote: We offer a free, no-obligation evaluation of your faulty Fanuc PLC CPU. Simply send it to us, and our technicians will thoroughly assess the problem and provide you with a detailed quote for the repair.

  2. Shipping Instructions: We provide clear and easy-to-follow shipping instructions to ensure your PLC CPU arrives safely at our repair facility. We recommend using appropriate packaging to prevent further damage during transit.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use state-of-the-art diagnostic equipment to pinpoint the root cause of the failure. We employ advanced techniques such as component-level testing and circuit analysis to accurately identify faulty components.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing only the defective components with high-quality replacements. We maintain a large inventory of Fanuc PLC CPU components to expedite the repair process. We use only industry-standard or better components.

  5. Load Testing and Quality Checks: After the repair, we subject the PLC CPU to rigorous load testing to ensure it performs flawlessly under real-world conditions. We conduct thorough quality checks to verify that all functions are operating correctly and that the repair meets our stringent standards.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. If you experience any issues after the repair, simply contact us, and we will promptly address the problem. We also provide ongoing technical support to assist you with any questions or concerns.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc PLC CPU repair services to customers nationwide. Whether you're located in a major metropolitan area or a remote industrial site, we can help. We serve customers in:

  • New York, NY

  • Los Angeles, CA

  • Chicago, IL

  • Houston, TX

  • Dallas, TX

  • Phoenix, AZ

  • Philadelphia, PA

  • San Antonio, TX

  • San Diego, CA

  • San Jose, CA

  • and many more!

We offer fast shipping options and quick turnaround times to minimize downtime. Contact us to discuss your specific needs and learn how we can help you get your Fanuc PLC CPU back in operation quickly.



Why Choose Roc Industrial LLC?

When you choose Roc Industrial LLC for your Fanuc PLC CPU repair needs, you benefit from our:

  • 30+ Years of Experience: We have decades of experience repairing industrial electronic equipment, including Fanuc PLCs.

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

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc PLC CPU components to expedite the repair process.

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

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support, from initial consultation to post-repair assistance.

Don't let a faulty Fanuc PLC CPU slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for Fanuc PLC CPU troubleshooting, testing, and refurbishment. Get your Fanuc PLC CPU back online with Roc Industrial LLC's expert repair services.

bottom of page