Product Description
The Allen-Bradley 20AD027A3AYNANG0 is a filtered, panel-mountable adjustable frequency drive (AFD) designed to control 3-phase induction motors. Operating at 480VAC and 50Hz with a 27 Amp rating, it features enhanced control and I/O, and includes a full numeric LCD keyboard interface for parameter adjustments across monitor, motor control, utility, dynamic control, and speed command files, with three parameter expression options. Before operation, verify proper input terminal connections, AC line voltage, and control power voltage. The AFD's status is visually monitored via the LCD or alarm conditions, with manual fault clearing and optional LED or HMI installation.
Is Your Device Showing These Signs?
The Allen Bradley 20AD027A3AYNANG0 AC drive commonly experiences failures related to the electrolytic capacitors degrading over time, leading to DC bus undervoltage faults and nuisance tripping. IGBT failures are frequent due to overcurrent events or thermal stress, necessitating replacement of the power module. The cooling fan malfunctions, causing overheating and premature component failure; fan replacement is essential for thermal management. Issues arise within the control board, specifically with the EEPROM or microprocessor, resulting in communication errors or a complete loss of control. Current sensors drift out of calibration, producing inaccurate motor control and drive faults; recalibration or sensor replacement is required.
Technical specifications
The Allen-Bradley 20AD027A3AYNANG0 is a 480VAC, 27 Amp adjustable frequency drive (AFD) for controlling 3-phase induction motors. It's panel-mountable, filtered, and features enhanced control and I/O. It uses a numeric LCD keyboard for parameter adjustments across various files and offers multiple parameter expression options. Proper connection and voltage verification are crucial before operation, and the AFD's status can be monitored via the LCD or alarms, with manual fault clearing available. LED or HMI installation is optional.
Our Repair Process for the
20AD027A3AYNANG0
Our repair process for the Allen Bradley 20AD027A3AYNANG0 AC drive begins with a comprehensive evaluation to pinpoint the failure. Electrolytic capacitors are tested for degradation and replaced to prevent DC bus undervoltage faults and nuisance tripping. IGBTs are inspected for damage from overcurrent events or thermal stress, and the power module is replaced as needed. The cooling fan is assessed for proper function and replaced to ensure effective thermal management and prevent overheating. The control board is thoroughly examined for EEPROM or microprocessor issues, with components reprogrammed or replaced to resolve communication errors or loss of control. Current sensors are calibrated or replaced to correct drift and ensure accurate motor control, eliminating drive faults.
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.