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Mitsubishi FR-E740-170SC-NA

Mitsubishi

Drives

FREQROL FR

FR-E740-170SC-NA

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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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 FR-E740-170SC-NA inverter, featuring voltage/frequency and magnetic flux vector control, delivers high performance for 5.5 kW motors (17 A output). It accepts 380-480 VAC input, handles 10 HP motors, and offers a 0.2-400 Hz frequency range with a 150% overload capacity for 60 seconds. It tolerates -5 to 5% frequency and 325-528 VAC voltage fluctuations. Equipped with Modbus RTU, 2 analog inputs, 8 digital inputs, and 4 digital outputs, it operates from -10 to 50C with forced air cooling.

Is Your Device Showing These Signs?

The Mitsubishi FR-E740-170SC-NA commonly requires repair due to issues stemming from capacitor degradation within the power supply, leading to undervoltage faults and drive failure. IGBT failures in the inverter section are frequent, causing overcurrent trips and motor control problems. Communication errors arise from corrupted firmware or damaged communication ports, disrupting network connectivity. Overheating, often due to fan failure or clogged heatsinks, triggers thermal overload protection. Parameter corruption necessitates reprogramming to restore proper motor operation.

Technical specifications

  • The Mitsubishi FR-E740-170SC-NA inverter controls 5.5 kW (10 HP) motors with 380-480 VAC input, offering 0.2-400 Hz frequency, 150% overload capacity, Modbus RTU, analog/digital I/O, and -10 to 50C operation.

Our Repair Process for the

FR-E740-170SC-NA

Our repair process for the Mitsubishi FR-E740-170SC-NA begins with a comprehensive evaluation to pinpoint the fault. Power supply issues are addressed by replacing degraded capacitors to resolve undervoltage faults and prevent drive failure. Inverter section repairs include replacing failed IGBTs to eliminate overcurrent trips and restore motor control. Communication errors are rectified by reflashing corrupted firmware or repairing damaged communication ports to re-establish network connectivity. Overheating problems are resolved by replacing faulty fans or cleaning clogged heatsinks to ensure proper thermal management. Parameter corruption is corrected by reprogramming the drive to factory or user-specified settings, ensuring correct motor operation.

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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