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A030

A030 - Flame lost during heating. Retrying.

Rheem · Water Heaters

What does A030 mean?

The flame was extinguished during the heating cycle. The unit is attempting to relight.

Common Causes

  • Temporary flame loss
  • Airflow issue
  • Gas supply fluctuation

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Wait for the unit to retry ignition.

  2. 2

    Ensure proper airflow.

  3. 3

    If flame loss continues, check for other error codes.

Browse all codes in this manual (70)
Verified technical data. Last updated: April 2026

Related Faults

1111 - Gas shut-off valve is not fully open1212 - Gas service interrupted or LP gas low13Hot and cold water lines reversed
Source: Rheem Water Heaters
Open Manual (Page 44)Search more codes in this manual