CodeRegistry
Brands
  1. Home
  2. Daikin
  3. Air Conditioning
  4. C6
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

C6

C6 - Fan motor driver failure

Daikin · Air Conditioning

What does C6 mean?

The driver controlling the fan motor has failed.

Common Causes

  • Defect of the fan motor sensor.
  • Control driver defect.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the fan motor itself is functioning correctly.

  2. 2

    Power cycle the unit by switching off the main power for 60 seconds.

  3. 3

    If the fan motor driver is the issue, professional service is required.

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
Open Manual (Page 1)Search more codes in this manual