Daikin | SkyAir

Error Code J7

Troubleshooting guide for the Daikin SkyAir system fault J7.

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 thermistor (Refrigerant circuit)

Potential Causes & Solutions

  • Defective connection of thermistor.
  • Defective liquid pipe thermistor.
  • Defective outdoor unit PCB.

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