Daikin Air Conditioner Error F8-00

⚡ Quick Answer: The Daikin Air Conditioner error F8-00 signifies a communication failure between the indoor and outdoor units due to high internal compressor temperat... ✅ DIY Fixable

What Does Error F8-00 Mean?

The Daikin Air Conditioner error F8-00 signifies a communication failure between the indoor and outdoor units due to high internal compressor temperatures. This causes the system to shut down as a protective measure, often indicated by a blinking display or complete operational halt. If you notice reduced cooling effectiveness before the shutdown, it’s crucial to address any airflow obstructions and allow the unit to cool down before further troubleshooting.

Common Symptoms:

  • Unit stops operating unexpectedly during forced cooling or heavy load conditions
  • Error code displayed as F8 on remote or unit panel
  • Possible reduced cooling effectiveness prior to shutdown

Possible Causes

  • High internal compressor temperature detected (medium)

How to Fix Error F8-00

DIY Fix Basic checks and cooldown

  1. Turn off the air conditioner and allow the unit to cool down for at least 30–60 minutes
  2. Ensure that vents and outdoor unit are free of obstructions or debris
  3. Check that the outdoor unit has adequate airflow and is not overheated

Technician Only Professional diagnosis of compressor and thermal protection system

  1. Inspect compressor temperature sensors and associated wiring for faults
  2. Measure actual compressor temperature under load to verify overheating
  3. Check refrigerant charge levels and airflow issues that may contribute to compressor overheating
  4. Test outdoor unit fan performance and ensure proper heat dissipation

Parts needed: Compressor temperature sensor, Outdoor fan assembly, Refrigerant circuit components, Control/PCB if sensor feedback issues are found

🛑 When to Call a Pro:
  • If the error recurs repeatedly after basic cooldown
  • If there are abnormal noises or smells from the compressor
  • If indoor comfort does not improve after simple checks

Technical Specifications

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

Common Questions

What does F8-00 error mean on Daikin Air Conditioner?

F8-00 indicates a communication failure due to high internal compressor temperatures, causing the unit to stop.

Can I fix Daikin Air Conditioner F8-00 error myself?

Yes, you can perform basic checks, such as allowing the unit to cool down and ensuring proper airflow.

How much does it cost to fix F8-00 error?

Repair costs range from ¥10,000 to ¥50,000+, depending on region and parts needed.

When should I call a technician for F8-00?

Call a technician if the error recurs, if there are unusual noises or smells, or if comfort does not improve.

Data last verified: 2026-07-07

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