Product Description
The Allen-Bradley 20DD011A0EYNANNBB is a robust, user-friendly 480V AC, 11-amp, three-phase adjustable frequency drive designed for demanding industrial applications in non-harsh indoor environments.
Is Your Device Showing These Signs?
The Allen Bradley 20DD011A0EYNANNBB Servo Drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and encoder feedback problems causing erratic motor behavior. Communication errors on the EtherNet/IP network and firmware corruption are also frequent. Overcurrent trips due to motor winding shorts or excessive load are addressed by inspecting the motor and drive parameters. Resolving these problems involves component-level repairs, firmware reflashing, and thorough system diagnostics.
Technical specifications
The Allen-Bradley 20DD011A0EYNANNBB is a durable and easy-to-use 480V AC, 11-amp, three-phase adjustable frequency drive intended for industrial use in standard indoor settings.
Our Repair Process for the
20DD011A0EYNANNBB
Our repair process for the Allen Bradley 20DD011A0EYNANNBB Servo Drive begins with a comprehensive diagnostic evaluation to pinpoint the failure. This includes a detailed inspection for common issues such as IGBT failures, capacitor degradation resulting in DC bus undervoltage, and encoder feedback malfunctions causing erratic motor behavior. We address communication errors on the EtherNet/IP network and resolve firmware corruption through reflashing. Overcurrent trips are investigated by inspecting the motor and drive parameters, and we perform component-level repairs to rectify hardware faults. The process concludes with rigorous testing to ensure the drive operates within specified parameters and system diagnostics to validate overall performance.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.

Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.

















