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A107

A107 - Water detected on floor: Check for leaks

Rheem · Air Conditioning

What does A107 mean?

A water leak has been detected in the drain pan, likely due to a leak within the unit. The water leak sensor has been triggered.

Common Causes

  • Water leak within the unit
  • Faulty water leak sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Carefully inspect the unit and surrounding area for any visible water leaks.

  2. 2

    If no obvious leaks are found, disconnect the rope sensor and see if the error clears. Dry or replace the rope sensor if needed.

  3. 3

    If the error persists after replacing the sensor, the control board may need replacement.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

1 beep1 beep - WiFi Soft Reset initiated3 beeps3 beeps - WiFi Hard Reset initiated3 red flashes3 red flashes — Communication error
Source: Rheem Air Conditioning
Open Manual (Page 32)Search more codes in this manual