Daikin Air Conditioner CC error code
The CC error means your Daikin air conditioner detected a fault with the humidity sensor system. This can be caused by a defective humidity sensor or a defective connector contact. Contact a qualified technician.
Common causes
- Defective humidity sensor
- Defective connector contact
How to fix it
-
1
Contact a qualified technician to inspect and replace the humidity sensor
Related Daikin Air Conditioner error codes
A0
An external protection device connected to the indoor unit has been activated
A1
A fault was detected in the indoor unit PCB (control board)
A3
The drain level control system has detected an abnormality — drain may be clogged
A5
Freeze-up protection (cooling) or high pressure control (heating) has activated — check the air filter
CC error — frequently asked questions
What does the CC error mean on a Daikin air conditioner?
The humidity sensor system has a fault
What causes the CC error?
The CC error is usually caused by: Defective humidity sensor; Defective connector contact.
Can I fix the CC error myself?
This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.
How much does it cost to fix the CC error?
Fixing the CC error on a Daikin air conditioner typically costs $80–$200, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the CC error?
We'd recommend addressing the CC error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.