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Product Description
The Allen-Bradley PowerFlex 700S series 20DD156A3ENNANNNN is a robust 480V, three-phase AC drive with a 156-amp normal-duty rating, IP20-rated NEMA Type 1 enclosure for indoor use, full numeric LCD interface, adjustable undervoltage trip, thermistor-monitored heat sink, 0.25-second logic ride-thru, and 15-millisecond full-load power ride-thru, designed for efficient motor control in industrial automation without an integrated braking system.
Is Your Device Showing These Signs?
The Allen Bradley 20DD156A3ENNANNNN PowerFlex 755 AC drive commonly experiences issues related to IGBT failures, often indicated by fault codes and requiring replacement. Capacitor bank degradation leads to DC bus instability, causing performance issues and necessitating capacitor replacement or drive refurbishment. Encoder feedback problems disrupt accurate motor control, demanding encoder repair or replacement, and parameter configuration verification. Communication network failures, particularly with Ethernet/IP, require troubleshooting network settings, cable integrity, and module configuration. Overcurrent or overvoltage faults stem from improper motor tuning or power supply fluctuations, mandating parameter adjustments and power supply inspection.
Technical specifications
The Allen-Bradley PowerFlex 700S 20DD156A3ENNANNNN is a durable 480V, three-phase AC drive rated at 156 amps for normal duty. It features an IP20 NEMA Type 1 enclosure for indoor use, a numeric LCD interface, adjustable undervoltage trip, thermistor-monitored heat sink, and ride-thru capabilities for brief power interruptions. It's designed for efficient industrial motor control and lacks an integrated braking system.
Our Repair Process for the
20DD156A3ENNANNNN
Our repair process for the Allen Bradley 20DD156A3ENNANNNN PowerFlex 755 AC drive begins with a comprehensive diagnostic assessment to pinpoint the failure. For IGBT failures indicated by fault codes, the IGBTs are replaced, and the drive is rigorously tested. Capacitor bank degradation resulting in DC bus instability necessitates capacitor replacement or complete drive refurbishment. Encoder feedback problems are addressed through encoder repair or replacement, followed by thorough parameter configuration verification. Communication network failures, especially with Ethernet/IP, require meticulous troubleshooting of network settings, cable integrity, and module configuration. Overcurrent or overvoltage faults are resolved through precise parameter adjustments and a thorough power supply inspection.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY