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Mitsubishi MRH700ACND

Mitsubishi

Drives

MELSERVO MR-H

MRH700ACND

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.

Product Description

The Mitsubishi MRH700ACND is a robust, single-axis 7kW servo amplifier designed for automation, operating on 200-230V AC and featuring sine-wave PWM control for enhanced torque. It offers flexible electronic gearing (1-50000), precise positioning (80,000 pulses error limit), and a 0 to +10V DC torque limit input with 10-12k impedance. Suitable for harsh environments (0-55C, up to 90% RH), it includes an integrated positioning function, dynamic braking, absolute encoder support, and open structure (P00) for easy integration with Mitsubishi HC-SF702 servo motors, withstanding vibrations up to 5.9 m/S.

Is Your Device Showing These Signs?

The Mitsubishi MRH700ACND commonly exhibits issues such as IGBT failures within the inverter section, resulting in overcurrent faults and drive stoppage. Capacitor degradation on the DC bus leads to voltage fluctuations and reduced performance. Communication errors arise from faulty encoder feedback or damaged communication cables, disrupting positional accuracy. Overheating due to inadequate cooling fan operation or clogged heat sinks causes thermal shutdowns. Power supply malfunctions are also a frequent problem, stemming from component aging and resulting in complete system failure.

Technical specifications

  • The Mitsubishi MRH700ACND is a 7kW servo amplifier (200-230V AC) with sine-wave PWM control, electronic gearing, precise positioning, and torque limit input. It's designed for harsh environments and features integrated positioning, dynamic braking, absolute encoder support, and open structure for easy integration with Mitsubishi HC-SF702 servo motors.

Our Repair Process for the

MRH700ACND

Our repair process for the Mitsubishi MRH700ACND begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue. This includes a thorough inspection of the IGBTs within the inverter section, DC bus capacitors, encoder feedback system, communication cables, cooling fan operation, and power supply components. Upon identifying the faulty components, we proceed with their replacement using only genuine Mitsubishi parts or approved equivalents. Following component replacement, rigorous testing is conducted under simulated operational conditions to ensure the unit meets or exceeds original performance specifications. The final step involves a detailed quality assurance check and documentation of all repairs performed, providing a reliable and fully functional MRH700ACND unit.

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.

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