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A010

A010 - Ignition Control Test Failure

Rheem · Water Heaters

What does A010 mean?

The End of Line (EOL) test for the ignition control failed. The unit is disabled.

Common Causes

  • Ignition control failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    The unit is disabled and requires service.

  2. 2

    Contact technical support or a service provider.

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 42)Search more codes in this manual