Product Description
The Mitsubishi MR-J2-40CS116 MELSERVO MR-J2 series servo amplifier, featuring an open structure, operates on 200-230VAC three-phase or 230VAC single-phase power, tolerating voltage fluctuations of 170-253VAC and 207-253VAC respectively, and frequency deviations of 5%. Built to IEC60664-1 contamination level II standards, it includes thermal protection, a two-minute capacitor discharge time, and a four-digit, seven-segment LED display. It utilizes current and sine-wave PWM control, incorporates a dynamic brake, and offers a frequency response of 250Hz for precise speed control in diverse automation applications.
Is Your Device Showing These Signs?
The Mitsubishi MR-J2-40CS116 servo amplifier commonly experiences issues related to power module failures, resulting in overcurrent alarms and drive malfunction. Encoder feedback errors, stemming from damaged encoder cables or faulty encoder interfaces, cause positioning inaccuracies and erratic motor behavior. Communication problems arise from network configuration errors or damaged communication ports, hindering PLC connectivity and remote operation. Capacitor degradation within the power supply section leads to voltage instability and operational failure. Resolve these issues through component replacement, cable repair, parameter reconfiguration, and thorough system diagnostics.
Technical specifications
The Mitsubishi MR-J2-40CS116 MELSERVO amplifier, designed with an open structure, uses 200-230VAC three-phase or 230VAC single-phase power with specified voltage and frequency tolerances. It features thermal protection, a two-minute capacitor discharge time, a four-digit LED display, current and sine-wave PWM control, a dynamic brake, and a 250Hz frequency response.
Our Repair Process for the
MR-J2-40CS116
Our repair process for the Mitsubishi MR-J2-40CS116 servo amplifier begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be power module failure, encoder feedback error, communication problem, or capacitor degradation. We address power module failures by replacing the faulty module with a new, tested component, ensuring proper heat dissipation and electrical connections. Encoder feedback errors are resolved through meticulous inspection and repair of encoder cables, replacement of damaged encoder interfaces, and precise alignment of the encoder. Communication problems are rectified by verifying network configurations, repairing or replacing damaged communication ports, and confirming seamless PLC connectivity. Capacitor degradation is corrected by replacing all affected capacitors in the power supply section, restoring voltage stability and operational integrity. Following component replacement or repair, rigorous testing is conducted to validate the amplifier's performance and ensure it meets original factory specifications before it is returned.
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
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Ships from Rochester, NY