Product Description
The Mitsubishi HC-MF43BK is a 400W servo motor with an electromagnetic brake for safety, a keyway shaft for secure mounting, and an IP44-rated enclosure for dust and moisture protection. It operates at 3000 RPM (4500 RPM peak), uses 2.8A rated current (9A max), and functions in 0-40C ambient temperatures, with a storage range of -15 to 70C.
Is Your Device Showing These Signs?
The Mitsubishi HC-MF43BK servo motor commonly exhibits issues such as resolver feedback errors, necessitating resolver replacement or recalibration. Overcurrent faults are frequently traced to shorted windings or insulation breakdown, requiring motor rewinding or replacement. Bearing failures cause excessive noise and vibration, demanding bearing replacement and shaft inspection. Connector damage and cable degradation lead to communication errors and intermittent operation, mandating connector repair or cable replacement. Encoder malfunctions result in inaccurate positioning and velocity control, often fixed by encoder replacement or adjustment.
Technical specifications
The Mitsubishi HC-MF43BK is a 400W servo motor featuring an electromagnetic brake, keyway shaft, and IP44-rated enclosure. It operates at 3000 RPM (4500 RPM peak), uses 2.8A rated current (9A max), and functions in 0-40C ambient temperatures (-15 to 70C storage).
Our Repair Process for the
HC-MF43BK
Our repair process for the Mitsubishi HC-MF43BK servo motor begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction. Resolver feedback errors are addressed through resolver replacement or recalibration. Overcurrent faults necessitate a thorough inspection of the motor windings; shorted windings or insulation breakdown require motor rewinding or complete motor replacement. Bearing failures are resolved by replacing the bearings and inspecting the motor shaft for damage. Connector damage and cable degradation are rectified by connector repair or cable replacement. Encoder malfunctions are corrected through encoder replacement or precise adjustment to ensure accurate positioning and velocity control.
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.

















