OT First Aid: Troubleshooting

PLC, HMI & Network Diagnostics

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Fault at the machine? Immediate actions, checklists and possible causes for PLCs, HMIs, PROFINET, drives and networks – works offline, right on site. OT First Aid helps technicians, maintenance teams, and automation engineers troubleshoot common faults in industrial systems. Structured immediate actions, checklists, possible causes, recommended tools, and escalation guidance make diagnostics faster and more consistent. The app includes practical guides for PLCs, HMIs, PROFINET, fieldbus systems, drives, sensors, safety circuits, cameras, servers, databases, remote access, and industrial networks. All built-in guidance works offline and is designed for use directly at the machine. Premium adds custom troubleshooting guides, plant profiles, contacts, maintenance notes, incident logs, photos, QR codes, PDF export, sharing, JSON backup and import, iCloud backup, and Face ID protection.

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New in version 1.1: • Five new OT guides for DNS, DHCP, firewalls and ports, IO-Link, and Modbus TCP • Smarter full-text search across actions, checklists, causes, and tools • Support for technical search terms and synonyms such as PLC, VFD, and panel • Saved checklist progress with a progress indicator and reset option • Refined German and English wording • Layout and stability improvements

Version 1.1

The developer, Dominik Gausmann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Dominik Gausmann
    Size
    2.2 MB
    Category
    Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and German
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    ©DMNK Digital
  • Developer Website
  • Privacy Policy

    • More by Dominik Gausmann

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