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AH

AH - Dust collector failure

Daikin · Air Conditioning

What does AH mean?

There is a defect with the dust collection system or its element.

Common Causes

  • Defect of the dust collecting element.
  • PCB issue.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if the dust collector is properly installed and clean.

  2. 2

    Ensure there are no obstructions within the dust collection system.

  3. 3

    If the error continues, the component or PCB may require service.

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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