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C6

C6 - Malfunction of fan motor (Indoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does C6 mean?

This error indicates a malfunction with the indoor unit's fan motor, possibly due to an electrical issue or obstruction.

Common Causes

  • Indoor fan motor failure
  • Wiring problems
  • Fan obstruction

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the unit's power supply.

  2. 2

    Check for anything blocking the fan blades.

  3. 3

    Ensure the fan blades spin freely.

  4. 4

    Restore power and check if the error clears.

  5. 5

    If the error persists, professional assistance is required.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

6-06-0 - External protection device activated (Heat reclaim ventilator)6-16-1 - Malfunction of PCB (Heat reclaim ventilator)6-26-2 - Ozone density abnormal (Heat reclaim ventilator)
Source: Simple Self Diagnosis by Malfunction Code | Daikin
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