Daikin | Split/ Multi Split

Error Code F6

Troubleshooting guide for the Daikin Split/ Multi Split system fault F6.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.

System Diagnosis

Abnormal high pressure or refrigerant overcharged

Potential Causes & Solutions

  • Refrigerant overcharged.
  • Disconnection of heat exchanger deicer thermistor Disconnection of outdoor air thermistor.
  • Disconnection of liquid pipe temperature thermistor.
  • Defective outdoor unit PCB.

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