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Delta HMI touchscreen testing and diagnostics

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.

Delta HMI Touchscreen Repair Services

Is your Delta HMI touchscreen malfunctioning, causing downtime and impacting your production? Roc Industrial LLC specializes in providing comprehensive Delta HMI touchscreen repair services to get your equipment back up and running quickly and efficiently. We understand the critical role these HMIs play in your automation systems, and our expert technicians are dedicated to delivering reliable and cost-effective solutions. With decades of experience, Roc Industrial LLC is your trusted partner for Delta HMI repairs, offering fast turnaround times, warranty-backed service, and exceptional customer support.



About Delta HMI Touchscreens

Delta Electronics is a global leader in power management and automation solutions, and their Human Machine Interface (HMI) touchscreens are widely used in various industrial applications. Delta HMIs are known for their reliability, user-friendly interface, and advanced features, making them a popular choice for controlling and monitoring complex processes. These HMIs provide a crucial link between operators and machinery, allowing for real-time data visualization, parameter adjustments, and system control.


Delta HMI touchscreens are integral to numerous industries, including manufacturing, food and beverage, packaging, and energy. They are commonly found in CNC machines, robotic systems, automated assembly lines, and process control systems. Their robust design and versatile functionality make them essential components in modern automation environments. However, like any electronic device, Delta HMIs can experience failures due to wear and tear, electrical surges, environmental factors, or component degradation. When this happens, you need a reliable repair service to minimize downtime and restore your operations.



Supported Models & Series

We repair a wide range of Delta HMI models and series, including but not limited to:

  • DOP-100 Series

  • DOP-B Series

  • DOP-W Series

  • DOP-AS Series

  • DOP-H Series

  • DOP-AE Series

  • DOP-Soft Series (PC-Based HMI)

  • DOP-107BV

  • DOP-107EV

  • DOP-107IV

  • DOP-107WV

  • DOP-108IG

  • DOP-110WS

  • DOP-112MX

  • DOP-B03S211

  • DOP-B05S100

  • DOP-B07S411

  • DOP-B07E415

  • DOP-B08E515

  • DOP-B10E615

  • DOP-W105BQ

  • DOP-W107BV

  • DOP-W127WV

  • DOP-AS57G515

  • DOP-AS57C525

  • DOP-H07E400

  • DOP-H07G615

  • DOP-AE10L615


Common Delta HMI Problems We Repair

Delta HMIs are generally reliable, but they can be susceptible to various issues that can disrupt your operations. Our experienced technicians are well-versed in diagnosing and repairing a wide range of Delta HMI problems. Here are some of the most common failures we address:

  • Touchscreen Malfunctions: Unresponsive touch, inaccurate touch registration, dead spots, or ghost touches.

  • Display Issues: Dim or flickering screen, no display, distorted images, or color problems.

  • Communication Errors: Inability to communicate with PLCs, drives, or other devices due to port failures or protocol issues (e.g., RS-232, RS-485, Ethernet).

  • Power Supply Failures: HMI not powering on, intermittent power loss, or blown fuses.

  • Memory Errors: Data corruption, program crashes, or inability to save settings.

  • Button Failures: Non-functional physical buttons or membrane keypad issues.

  • Backlight Problems: Dim or non-functioning backlight, making the screen difficult to read.

  • Firmware Corruption: HMI freezing, displaying error messages, or failing to boot up.

  • Overheating: HMI shutting down due to excessive heat, often caused by fan failures or inadequate ventilation.

  • Damaged Connectors: Broken or damaged communication ports, power connectors, or other interfaces.

  • Water Damage: Corrosion or short circuits caused by liquid ingress.


Our Delta HMI Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure that your Delta HMI is restored to optimal performance. Our process is designed to be transparent, efficient, and reliable.

  1. Free Evaluation and Quote: Contact Roc Industrial LLC with details about your faulty Delta HMI. We offer a free evaluation to determine the extent of the damage and provide you with a detailed repair quote. This quote includes all costs associated with the repair, so you know exactly what to expect.

  2. Shipping Instructions: Once you approve the quote, we provide clear and easy-to-follow shipping instructions to ensure your HMI arrives safely at our repair facility. We recommend using appropriate packaging materials to protect the unit during transit.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, our experienced technicians conduct a thorough diagnosis using specialized test equipment. We identify the root cause of the problem and assess the condition of all critical components. This includes testing the touchscreen, display, power supply, communication ports, and memory.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our extensive inventory of parts allows us to quickly address a wide range of issues. We use advanced soldering techniques and precision tools to ensure the highest quality repairs.

  5. Load Testing and Quality Checks: After the repair, we conduct rigorous load testing and quality checks to ensure the HMI is functioning correctly and reliably. We simulate real-world operating conditions to verify performance and stability. This includes testing the touchscreen response, display clarity, communication functionality, and power stability.

  6. Warranty-Backed Return and Support: All of our Delta HMI repairs are backed by a comprehensive warranty. We carefully package the repaired HMI and ship it back to you promptly. Our customer support team is available to answer any questions you may have and provide ongoing assistance.


Nationwide Repair Services

Roc Industrial LLC provides Delta HMI touchscreen repair services to customers nationwide. We understand that downtime can be costly, so we offer fast turnaround times and efficient shipping options to minimize disruption to your operations. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city across the United States, we are here to help.


We offer expedited shipping options to ensure your Delta HMI is returned to you as quickly as possible. Our central location allows us to efficiently serve customers across the country. We are committed to providing reliable and timely repair services to keep your automation systems running smoothly.



Why Choose Roc Industrial LLC?

When you choose Roc Industrial LLC for your Delta HMI touchscreen repair needs, you benefit from our extensive experience, commitment to quality, and exceptional customer service.

  • 30+ Years of Experience: With over three decades of experience in industrial electronics repair, we have the knowledge and expertise to handle even the most complex Delta HMI issues.

  • Warranty-Backed Repairs: All of our repairs are backed by a comprehensive warranty, giving you peace of mind and assurance of quality.

  • Thousands of Parts in Stock: Our extensive inventory of parts allows us to quickly address a wide range of Delta HMI problems, minimizing downtime.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, so we offer fast turnaround times, often with same-day service available.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest standards of quality and reliability.

  • Exceptional Customer Support: Our dedicated customer support team is available to answer your questions and provide assistance throughout the repair process.

Don’t let a faulty Delta HMI touchscreen slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Delta HMI touchscreen repair.

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