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CH

CH - Malfunction of dust collector of air cleaner

Daikin · Air Conditioning

What does CH mean?

Indicates a problem with the air cleaner's dust collection system.

Common Causes

  • Dust collector full or needs cleaning
  • Faulty dust collector sensor
  • Malfunction in the air cleaner unit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Remove and clean the dust collector unit according to the manual's instructions.

  2. 2

    Ensure the dust collector is properly reinstalled.

  3. 3

    If the error persists, the sensor or the air cleaner unit may need servicing.

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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