Daikin | Split/ Multi Split

Error Code J3

Troubleshooting guide for the Daikin Split/ Multi Split system fault J3.

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 discharge pipe thermistor

Potential Causes & Solutions

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

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