Endress + Hauser DDAT02-A199A Control Module

The DDAT02‑A199A is an Endress + Hauser control module designed for flow‑meter applications, typically powered at 20–30 VDC and rated around 12 W with IP67 protection. Common failure points in this class of modules include power supply degradation (voltage sag or ripple), solder joint fatigue on the PCB, and insulation breakdown between high‑current traces and chassis grounds. Initial checks should verify that the input voltage is within spec and stable, inspect the module for visible burn marks or cracked components, and confirm all I/O connections are secure and free of corrosion before proceeding to deeper diagnostics such as oscilloscope trace analysis or component replacement.[oss-gpt-20b] Post Comment

Need your Endress + Hauser repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

• ⚙️ Fast Diagnostics – Same-day evaluation available
• 🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
• 🧰 Expert Technicians – Decades of board-level experience
• ✅ 1-Year Warranty – Every repair fully guaranteed

📞 Call Now: 1 (336) 969-0110

Free Estimates • Industrial-grade testing • Nationwide Service

⚡ Call to Purchase AI Services — help us build the next Grace Blackwell GX10 node.

Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service

Other Repaired Units by Endress + Hauser