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Expert Industrial Monitor Backlight Failure Repair Services

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Is your industrial monitor's screen completely dark, or very dim, even though the power indicator light is on? This is often a sign of backlight failure. ROC Industrial specializes in repairing and replacing failed backlights in industrial monitors and displays, restoring full brightness and visibility. We offer a fast, reliable, and cost-effective alternative to replacing the entire monitor.


Understanding HMI and Industrial Monitor Backlights


Industrial monitors, like most LCD displays, use a backlight to illuminate the liquid crystal panel. Without a functioning backlight, the image on the screen will be extremely dim or completely invisible. There are two main types of backlights:


  • CCFL (Cold Cathode Fluorescent Lamp): Older technology, similar to fluorescent light bulbs. CCFLs are prone to dimming and failing over time.

  • LED (Light Emitting Diode): Newer technology, more energy-efficient, longer-lasting, and less prone to sudden failure than CCFLs. However, LEDs can still dim or fail.


Common Causes of Backlight Failure


  • CCFL Failure: CCFLs have a limited lifespan and will eventually burn out.

  • LED Failure: Individual LEDs or LED strips can fail.

  • Inverter Board Failure (CCFL): The inverter board provides the high voltage needed to power the CCFL backlight. A faulty inverter will prevent the backlight from turning on.

  • LED Driver Failure: Similar to an inverter, an LED driver circuit controls the power to the LED backlight.

  • Power Supply Issues: A problem with the monitor's main power supply can sometimes affect the backlight.

  • Loose Connections: Loose cables or connectors can interrupt power to the backlight.


Industrial Monitor Brands We Service (Backlight Repair)


  • Advantech

  • Siemens (SIMATIC)

  • Allen-Bradley (Rockwell Automation)

  • Schneider Electric (Magelis, Harmony)

  • Mitsubishi Electric

  • Omron

  • Pro-face

  • Beckhoff

  • Nematron

  • Hope Industrial Systems

  • VarTech Systems

  • Kontron

  • Axiomtek

  • Winmate

  • IEI Integration Corp.

  • National Display Systems

  • Planar

  • ...and many more


Our Backlight Repair Process


  1. Free Evaluation & Quote: Describe the problem and your monitor model. We provide a free quote.

  2. Shipping: Ship the monitor to our facility.

  3. Diagnosis: Our technicians will determine if the problem is the backlight, the inverter/driver, or another issue.

  4. Repair/Replacement: We will:Replace faulty CCFL tubes or LED strips.
    Repair or replace a faulty inverter board (for CCFL backlights).
    Repair or replace a faulty LED driver circuit.
    Address any other related issues.

  5. Testing & Quality Assurance: We thoroughly test the repaired monitor.

  6. Fast Turnaround: Minimize downtime.

  7. Warranty: We offer a comprehensive warranty.


Why Choose ROC Industrial for Backlight Repair?


  • Expert Technicians: Our team has experience with display technology.

  • Specialized Tools: We have the tools to safely disassemble and repair monitors.

  • Cost-Effective: Backlight repair is usually much cheaper than replacing the monitor.

  • Fast Turnaround

  • Comprehensive Warranty


Restore Brightness to Your Industrial Monitor!


Contact ROC Industrial for a free quote on backlight repair.

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