Daikin | Packaged

Error Code A1

Troubleshooting guide for the Daikin Packaged system fault A1.

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 indoor unit PCB

Potential Causes & Solutions

  • Defective indoor unit PCB.
  • External factor (Noise etc.).

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