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Hitachi power supply rebuild 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.

Hitachi Power Supply Repair Services - Fast & Reliable Solutions

Is your Hitachi power supply malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Hitachi power supply repair services. We understand the critical role these power supplies play in your operations, and we're committed to getting them back up and running as quickly as possible. Our experienced technicians have the knowledge and skills to diagnose and repair a wide range of Hitachi power supply issues, ensuring minimal disruption to your production processes. Trust Roc Industrial LLC for all your Hitachi power supply repair needs.



About Hitachi Power Supplies

Hitachi is a globally recognized brand known for its high-quality and reliable industrial equipment, including its extensive line of power supplies. Hitachi power supplies are designed to provide stable and efficient power to a variety of industrial applications, from CNC machines and robotics to automation systems and manufacturing equipment. These power supplies are built to withstand harsh environments and demanding workloads, making them a popular choice for businesses across various industries.


Hitachi power supplies are integral components in numerous industrial settings, powering critical systems that require consistent and dependable energy. Their robust design and advanced features contribute to enhanced productivity and operational efficiency. However, even the most durable power supplies can experience failures over time due to wear and tear, environmental factors, or unexpected electrical events. When a Hitachi power supply malfunctions, it can lead to significant downtime and costly disruptions. That's where Roc Industrial LLC comes in ' we provide expert repair services to get your Hitachi power supplies back in optimal working condition.



Supported Models & Series

We repair a wide range of Hitachi power supply models and series, including but not limited to:

  • Hitachi H Series Power Supplies

  • Hitachi P Series Power Supplies

  • Hitachi S Series Power Supplies

  • Hitachi V Series Power Supplies

  • Hitachi PS Series Power Supplies

  • Hitachi D Series Power Supplies

  • Hitachi 24V Power Supplies (Various Amperages)

  • Hitachi 48V Power Supplies (Various Amperages)

  • Hitachi PLC Power Supply Units

  • Hitachi Servo Drive Power Supplies

  • Hitachi Industrial Power Supplies (Specific Models Upon Request)


Common Hitachi Power Supply Problems We Repair

Hitachi power supplies, while reliable, can experience a variety of issues over time. These problems can range from simple component failures to more complex system-wide malfunctions. Recognizing these common issues is the first step in getting your power supply repaired quickly and efficiently. Roc Industrial LLC is equipped to handle all types of Hitachi power supply repairs.

  • No Output Voltage: The power supply fails to provide any output voltage, preventing connected devices from functioning.

  • Low Output Voltage: The output voltage is significantly lower than the specified level, causing erratic behavior or failure of connected equipment.

  • Overvoltage Issues: The output voltage exceeds the specified level, potentially damaging connected devices.

  • Communication Errors: The power supply fails to communicate properly with other devices, leading to system-wide errors.

  • Overheating: The power supply overheats due to component failure, inadequate cooling, or excessive load.

  • Blown Fuses: Frequent blown fuses indicate an underlying problem, such as a short circuit or component failure.

  • Internal Component Failure: Capacitors, resistors, diodes, or other internal components fail, causing the power supply to malfunction.

  • Fan Failure: Cooling fan stops working, leading to overheating and potential damage to internal components.

  • Input Voltage Problems: Issues with the input voltage, such as voltage spikes or drops, can damage the power supply.

  • Ripple and Noise: Excessive ripple and noise in the output voltage can cause instability and malfunction in connected devices.

  • Short Circuits: Internal short circuits can cause the power supply to shut down or fail completely.

  • Inconsistent Power Delivery: Fluctuations in power output can lead to unpredictable behavior in connected equipment.


Our Hitachi Power Supply Repair Process

At Roc Industrial LLC, we follow a comprehensive and meticulous repair process to ensure that your Hitachi power supply is restored to optimal working condition. Our process is designed to identify the root cause of the problem, implement effective repairs, and thoroughly test the power supply to guarantee its reliability. Here's a step-by-step breakdown of our Hitachi power supply repair process:

  1. Free Evaluation and Quote: Contact us with details about your Hitachi power supply and the issues you're experiencing. We offer a free evaluation to assess the condition of your power supply and provide you with a detailed quote for the repair.

  2. Shipping Instructions: Once you approve the quote, we'll provide you with clear and concise shipping instructions to ensure your power supply arrives safely at our repair facility. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic equipment to pinpoint the exact cause of the problem. We thoroughly inspect all components and circuits to identify any potential issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We use only industry-standard parts to ensure the longevity and reliability of your repaired power supply.

  5. Load Testing and Quality Checks: After the repair, we subject the power supply to rigorous load testing to ensure it performs flawlessly under various operating conditions. We conduct thorough quality checks to verify that all specifications are met.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. Your repaired Hitachi power supply is returned to you with the assurance that it will perform reliably. We also provide ongoing support to address any questions or concerns you may have.


Nationwide Repair Services

Roc Industrial LLC provides Hitachi power supply repair services to customers nationwide. No matter where you are located, we can help you get your power supply back up and running quickly. We serve customers in major metro areas, including New York, Los Angeles, Chicago, Houston, and Dallas, as well as smaller towns and rural areas across the country.


We understand the importance of minimizing downtime, which is why we offer fast shipping options and quick turnaround times. Our goal is to get your repaired Hitachi power supply back to you as soon as possible, so you can resume your operations without delay. Contact us today to learn more about our nationwide repair services and how we can help you.



Why Choose Roc Industrial LLC?

When it comes to Hitachi power supply repair, Roc Industrial LLC is the trusted choice for businesses across the country. We offer a combination of expertise, experience, and customer service that sets us apart from the competition. Here are just a few reasons why you should choose us for your Hitachi power supply repair needs:

  • 30+ Years of Experience: We have over 30 years of experience in industrial electronic repair, giving us the knowledge and skills to handle even the most complex Hitachi power supply issues.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty, giving you peace of mind knowing that your repaired power supply is protected.

  • Thousands of Parts in Stock: We maintain a large inventory of parts, allowing us to quickly repair your Hitachi power supply without waiting for parts to be shipped.

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

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring that we adhere to the highest standards of quality and efficiency.

  • Exceptional Customer Support: We are committed to providing exceptional customer support, answering your questions and addressing your concerns promptly and professionally.

Don't let a faulty Hitachi power supply slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Hitachi power supply repair.

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