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Product Description
The Mitsubishi FX1S14MTESSULK is a compact (0.3 kg) and robust FX Series main unit featuring 24VDC sink/source input, transistor output with 0.5A per point for resistive loads (12W at 24VDC for inductive loads), photocoupler isolation, EEPROM memory, 2000 program steps, and CE/UL compliance, designed for reliable operation between 0-55C (storage: -20 to 70C) in diverse industrial automation applications.
Is Your Device Showing These Signs?
The Mitsubishi FX1S-14MT-ESS/ULK commonly experiences issues such as PLC program corruption necessitating firmware reflashing, I/O module communication failures due to bus errors or damaged connectors, and power supply malfunctions causing intermittent operation or complete failure. Troubleshooting involves verifying program integrity, inspecting wiring for continuity and shorts, and testing power supply voltage levels. Addressing these problems ensures optimal PLC performance and prevents downtime.
Technical specifications
The Mitsubishi FX1S14MTESSULK is a compact, robust FX Series main unit with 24VDC input, transistor output (0.5A per point), EEPROM memory, 2000 program steps, and CE/UL compliance, suitable for industrial automation in temperatures from 0-55C.
Our Repair Process for the
FX1S14MTESSULK
Our repair process for the Mitsubishi FX1S-14MT-ESS/ULK begins with a thorough verification of the PLC program to identify any corruption requiring firmware reflashing. Next, a meticulous inspection of all I/O module wiring is conducted, checking for continuity, shorts, and damage to connectors that may cause communication failures due to bus errors. Finally, the power supply is rigorously tested to confirm proper voltage levels, addressing intermittent operation or complete failure. These steps guarantee optimal PLC performance and minimize potential downtime.
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.

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