Daikin Air Conditioner Error CC-00

⚡ Quick Answer: The Daikin Air Conditioner CC-00 error indicates a communication failure between the indoor and outdoor units, often linked to a malfunctioning humidi... ✅ DIY Fixable

What Does Error CC-00 Mean?

The Daikin Air Conditioner CC-00 error indicates a communication failure between the indoor and outdoor units, often linked to a malfunctioning humidity sensor. This can result in a flashing display and improper humidity control. If the error persists, it may require inspection and repair of the humidity sensing components or the control PCB.

Common Symptoms:

  • Error code CC on remote/control display
  • Air conditioner may continue operating but humidity control can be incorrect or disabled
  • Humidity sensor malfunction indication

Possible Causes

  • Indoor humidity sensor malfunction (medium)
  • Humidity sensor circuit / control PCB issue (medium)

How to Fix Error CC-00

DIY Fix Basic checks and reset

  1. Stop the air conditioner and turn off power at the breaker or unplug.
  2. Wait approximately one minute and restore power.
  3. Restart the air conditioner and check if CC‑00 clears.

Technician Only Inspect and repair humidity sensing components

  1. Inspect indoor unit humidity sensor wiring and connectors for damage or disconnection.
  2. Test the humidity sensor to verify correct readings; replace if faulty.
  3. Check indoor PCB for faults related to sensor signal processing and repair or replace as needed.

Parts needed: Humidity sensor assembly, Indoor unit control PCB

🛑 When to Call a Pro:
  • If the CC‑00 code persists after basic power reset
  • If humidity sensor wiring appears damaged
  • If there are other concurrent errors or the unit behaves abnormally even with error cleared

Technical Specifications

wattage N/A
component Control Board
resistance N/A
part_number DAIKIN 4B200A
voltage_rating 230V AC

Common Questions

What does CC-00 error mean on Daikin Air Conditioner?

CC-00 indicates a communication failure related to the indoor humidity sensor, affecting operation and control.

Can I fix Daikin Air Conditioner CC-00 error myself?

Yes, you can try resetting the unit by turning off power for a minute, then restoring it to see if the error clears.

How much does it cost to fix CC-00 error?

Repair costs can be moderate to high, depending on whether the humidity sensor or control PCB needs diagnostics or replacement.

When should I call a technician for CC-00?

Call a technician if the CC-00 error persists after a reset, if wiring is damaged, or if other errors occur.

Data last verified: 2026-07-01

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