Daikin | Split/ Multi Split

Error Code P9

Troubleshooting guide for the Daikin Split/ Multi Split system fault P9.

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

Malfunction of fan motor (humidifier unit)

Potential Causes & Solutions

  • Defective fan motor.
  • Defective outdoor unit PCB.
  • Broken relay harness.
  • Defective connector contact.

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