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EH

EH - Wet alarm

Daikin · Air Conditioning

What does EH mean?

A 'wet alarm' suggests a moisture detection issue, possibly related to leaks or condensation.

Common Causes

  • Water leak detected
  • Excessive condensation
  • Faulty moisture sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for any visible signs of water leaks around the unit.

  2. 2

    Ensure the drain line is clear and functioning correctly.

  3. 3

    Contact a technician to investigate the source of moisture and the sensor.

Browse all codes in this manual (79)
Verified technical data. Last updated: April 2026

Related Faults

A0A0 - External protection activeA1A1 - Indoor PCB failureA2A2 - Malfunction of freezing protection
Source: Daikin Air Conditioning
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