Equipment diagnostics

Understanding Critical DGA Alerts

31 March 2026
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Learn what abnormal gas concentrations mean for your transformers.

Have you ever received an email from AVO Diagnostic Services with the subject "Rush/Urgent: High Gassing Detected"? If so, it’s crucial to understand exactly what this alert means for your equipment and how it impacts your operations.

This notification indicates that our laboratory detected an abnormal gas concentration within your unit. A holistic approach to transformer health requires immediate investigation when these anomalies appear.

 

Why We Send Critical DGA Notifications

We provide these alerts to ensure you have the precise, reliable data needed to protect your assets. Our team sends these notifications to:

  • Prompt a thorough investigation of the specific unit.
  • Highlight high-risk units within your operational ecosystem.
  • Help you avoid major, unexpected failures before they impact operations.

 

Recommended Next Steps For Your Asset

Depending on the specific level and type of gas detected, our experts recommend several proactive measures to diagnose causes fast. These steps often include:

  • Increasing the frequency of DGA sampling to estimate gas generation rates accurately.
  • Implementing on-line DGA monitoring for continuous, real-time visibility.
  • Performing targeted electrical tests, internal inspections, and comprehensive evaluations.

Your challenges are unique, and our solutions are designed to help you turn complex diagnostic data into actionable decisions. If you have questions about your test results or need guidance on implementing the right next steps, our team is ready to assist you.