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

Next step

Choose the next step for CC-00

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Humidity Sensor

Measures relative humidity so the appliance can regulate drying or moisture removal.

Typical part-only price
$20 - $100
DIY difficulty
Medium
Estimated time
20-60 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

$90 - $320 · Hard · 45-120 mins

Check fit & price
Model number required

Model-compatible Air Conditioner parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

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: 2026-07-31

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