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LED Temperature and Error Code Display

LED Display - Shows temperature or error codes

Rheem · Water Heaters

What does LED Temperature and Error Code Display mean?

The LED display shows the current water temperature setting or displays error codes when a fault is detected. This is crucial for diagnosing issues.

Common Causes

  • Normal operation displaying set temperature.
  • A fault or error condition has occurred.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the temperature or error code displayed.

  2. 2

    For temperatures, use UP/DOWN buttons to adjust.

  3. 3

    For error codes, consult the manual's troubleshooting chart.

  4. 4

    If an error code is shown, follow the specific steps for that code.

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 55)Search more codes in this manual