Daikin | Packaged

Error Code E9

Troubleshooting guide for the Daikin Packaged system fault E9.

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 electronic expansion valve coil

Potential Causes & Solutions

  • Disconnection of connectors from electronic expansion valves.
  • Defective electronic expansion valve coil.
  • Defective outdoor unit control PCB.

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