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Product Description
The Mitsubishi MRH15KBS111 is a versatile 15kW AC servo amplifier, powered by 3-phase 200VAC at 50/60Hz, designed for diverse automation applications requiring precise digital control. It features SSC-NET and RS-232C interfaces for system integration, a built-in regenerative brake (with external option), and operates reliably between 0C and 55C (storage: -20C to 65C) with up to 90% RH (non-condensing) and 5.9 m/S vibration resistance. Supporting up to 16384 pulses/revolution encoders, it prioritizes safety with emergency stop and dynamic braking functions.
Is Your Device Showing These Signs?
The Mitsubishi MRH15KBS111 commonly experiences failures related to IPM (Intelligent Power Module) malfunctions, leading to overcurrent faults and compressor shutdown. Capacitor degradation within the power supply unit causes voltage instability and erratic operation. Communication errors arise from faulty wiring or damaged connectors on the control board, disrupting signal transmission between the indoor and outdoor units. Thermistor drift results in inaccurate temperature readings, affecting cooling or heating performance. Fan motor failures due to worn bearings or electrical shorts are also observed, causing reduced airflow and overheating.
Technical specifications
The Mitsubishi MRH15KBS111 is a 15kW AC servo amplifier (200VAC, 3-phase, 50/60Hz) for automation, featuring SSC-NET/RS-232C, regenerative brake, 0-55C operation, and safety functions.
Our Repair Process for the
MRH15KBS111
Our repair process for the Mitsubishi MRH15KBS111 begins with a comprehensive diagnostic assessment to pinpoint the failure. Suspected IPM malfunctions are verified through rigorous testing, and replacement is performed with a new, genuine Mitsubishi IPM. Capacitor degradation in the power supply unit is addressed by replacing all affected capacitors with high-quality, long-life components. Communication errors are resolved by thoroughly inspecting and repairing or replacing faulty wiring and connectors on the control board. Thermistor drift is corrected by replacing the thermistor with a calibrated, OEM-specified component. Fan motor failures necessitate complete fan motor replacement with a new, manufacturer-approved unit. Following all repairs, the unit undergoes extensive performance testing to ensure proper operation and adherence to factory specifications.
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