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Product Description
The Mitsubishi FX3U-FLROM-16 is a durable 16,000-step flash memory cassette for FX3U/FX3UC PLCs (version 2.20+), supporting 10,000 write cycles. It features a PROTECT switch for data security, complies with EC EMC directives, and includes an LED status indicator. However, it lacks a data transfer button and has an IP00 rating (open type).
Is Your Device Showing These Signs?
The Mitsubishi FX3U-FLROM-16 commonly experiences issues such as corrupted program memory requiring firmware reflashing or replacement of the ROM module. Data loss occurs due to power fluctuations or improper handling, necessitating reprogramming. Communication errors arise from incorrect DIP switch settings or damaged communication interfaces, demanding configuration verification and hardware inspection. Module failure stems from overheating or electrical overstress, which mandates thermal management improvements and power supply checks. Compatibility problems with older FX3U series PLCs are resolved through firmware updates or replacement with compatible modules.
Technical specifications
The Mitsubishi FX3U-FLROM-16: 16,000-step flash memory cassette for FX3U/FX3UC PLCs (v2.20+), 10,000 write cycles, PROTECT switch, LED indicator, EC EMC compliant, IP00 rating, no data transfer button.
Our Repair Process for the
FX3U-FLROM-16
Our repair process for the Mitsubishi FX3U-FLROM-16 begins with a comprehensive diagnostic assessment to pinpoint the root cause of the malfunction, whether it be program memory corruption, data loss, communication errors, module failure, or compatibility issues. Firmware reflashing or ROM module replacement is performed to address corrupted program memory, while reprogramming restores lost data due to power fluctuations or mishandling. Communication errors are rectified through DIP switch configuration verification and thorough inspection of communication interfaces. Overheating or electrical overstress leading to module failure is mitigated by implementing thermal management improvements and conducting rigorous power supply checks. Firmware updates or module replacement ensures compatibility with older FX3U series PLCs.
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