HMI Repair

1. ✅ Avoid firmware headaches & preserve original programming

Swapping an HMI isn’t always plug-and-play. A new HMI may come with different firmware, communication settings, or incompatible hardware revisions — leading to hours of reprogramming, system tuning, or even project delays. At Flexa Systems, our component-level HMI repair helps you preserve the original firmware and program, so you can avoid reconfiguration and get back to production without touching the code.

2. 💰 Cost‑effective solution

Replacing an entire HMI panel or PLC can be expensive. Professional board-level repair is often much more affordable — especially for aging or obsolete units where OEM replacements are no longer stocked. We only repair what’s faulty, instead of replacing entire assemblies. That means you pay only for what’s broken, not for a whole new system.

3. ⚡ Reduced downtime

Ordering and configuring a new HMI can mean days or weeks of downtime. With Flexa Systems’ fast-turnaround repair (and rush repair options), we can often return your working unit in hours or days. Our techs carry a stock of common HMI parts and have a sourcing network for hard-to-find screens and processors.

4. 🔍 Improved reliability & extended lifespan

Component-level diagnostics can uncover hidden or recurring faults that a full board swap might miss. Repairing the original board often leads to better long-term stability and extends the life of your HMI — especially valuable for legacy systems where replacements are no longer made.

5. 🌎 Environmentally responsible

Every HMI or PLC saved from the landfill helps reduce e-waste. By repairing faulty circuits instead of discarding the unit, you take a greener, more sustainable approach to maintenance — without sacrificing performance or uptime.

At Flexa Systems, our technicians are trained to diagnose and repair faults down to the component level. Whether your issue is with a Siemens Simatic HMI, Allen Bradley PanelView, or a Parker Interact screen, we can help. Typical symptoms include:

• • • • Unresponsive or sluggish touchscreen
        Touch sensors can lose sensitivity due to dirt, wear or calibration issues. We clean, recalibrate and replace damaged touch screens as needed.

      • Flickering, blurry or dead pixels
        Display issues aren’t always caused by cables. In most cases, they stem from faulty LCD panels, backlight drivers, display controller circuits, or voltage instability on the main board. We test and replace LED backlight boards, inverters, and controller ICs, bringing your display back to life.

      • Communication failures with the PLC
        It’s not always a loose wire. Lost PLC connections can be due to failed communication chips, corrupt memory blocks, or damaged processors. Our repair process includes chip-level diagnostics and replacement of faulty transceivers, buffers, or ICs responsible for CAN, RS232, RS485, or Ethernet ICs.

      • Software or firmware glitches
        If your HMI freezes at boot or throws intermittent errors, the root issue may be corrupt flash memory, bad EEPROMs, or overheating CPUs. Instead of replacing the whole unit, we isolate the failing components and can often retain and recover your existing program, avoiding reconfiguration headaches. Firmware updates are only performed with client approval and only when clearly needed.

      • Power supply failures
        Surges or voltage drops can distort displays or cause complete failure. We test power circuits and install surge protection.

      • Physical damage and cracked screens
        Industrial HMIs operate in harsh environments; dust, moisture and impacts can cause cracks or loose connectors. We repair connectors, replace damaged touch glass and install protective enclosures.

• • • • Free evaluation and quotation
        Send your faulty HMI to our Lewisville service centre or schedule a drop-off. We perform a comprehensive diagnostic to identify the root cause and provide a quote.
      • Component‑level repair
        Once approved, our certified technicians carry out component‑level repairs using state‑of‑the‑art tools. We don’t just swap boards; we troubleshoot down to individual ICs and capacitors. This precision work is why we call ourselves a component‑level HMI repair service.
      • Quality testing
        After repair, every unit undergoes functional testing to ensure it communicates correctly with PLCs and performs reliably. Our QC process adheres to industry standards.
      • Fast return shipping
        We package your HMI securely and return it quickly, or arrange local pickup. Many repairs are turned around in 3–5 days, with rush repair available when downtime is critical.

• • • • Siemens HMI repair – including Simatic comfort panels, mobile panels and Micro Panels.
      • Allen Bradley HMI repair – such as PanelView Plus and PanelView 800 units.
      • Parker, Lenze and Yaskawa touch screen repair – Interact Xpress, SmartPanel and other operator interfaces.
      • ABB and Mitsubishi HMI repair – including CP600 series and GOT panels.
      • Other models – like GT1155‑QSBD or B&R Power Panel – contact us for specific part numbers.

• • • • Looking for HMI repair services near me? Flexa Systems is based in Lewisville, Texas (DFW area), but we support customers across the United States and Canada. You can drop your panel at our facility, arrange a courier pick‑up, or ship it to us using our prepaid labels. We frequently handle jobs from manufacturing plants, water treatment facilities, packaging lines and OEMs across the country.

• • • • Expert technicians – Our team has decades of experience repairing HMIs, PLCs, drives and circuit boards. We hold certifications and follow industry best practices.
      • Quick sourcing – Our network of suppliers allows us to find replacement LCDs, membranes and processors that are often hard to obtain.
      • Transparent communication – You’ll receive status updates from diagnosis through testing and shipping. There are no surprise fees.
      • Warranty – Repaired units include a warranty on parts and labour.

At Flexa Systems, we earn our customers’ trust the old-fashioned way — through consistent results, honest policies, and expert service. Here’s what sets us apart:

✅ High Repair Success Rate

We maintain a 98%+ success rate on HMI repairs thanks to our experienced technicians and component-level diagnostics. We don’t guess — we fix what’s wrong, down to the smallest chip or connector.

✅ 2-Year Warranty (No Questions Asked)

Every repair we complete comes with a 2-year warranty — standard. If a repaired unit fails again due to our work, we’ll fix it at no cost. No fine print. No hassle.

✅ No Fix, No Fee

We don’t believe in charging for guesswork. If we can’t fix your HMI, you don’t pay. It’s that simple. You’ll only be invoiced once your equipment is repaired and tested.

✅ Fast Turnaround Times

We know downtime costs money. That’s why we aim to complete most repairs in 5 business days or less, and offer rush service for critical situations. We also stock many parts in-house to speed things up.

✅ Skilled, Factory-Trained Technicians

Our techs know these systems inside out. Whether it’s a Siemens TP1200, Allen Bradley PanelView Plus, or a ruggedized industrial PC, your unit is in the hands of people who’ve repaired thousands of HMIs before.

✅ Transparent Communication

From the first quote to final delivery, we keep you informed. You’ll know the diagnosis, the cost, the lead time — and what’s been done to fix it.