Daikin | Chiller

Error Code PJ

Troubleshooting guide for the Daikin Chiller system fault PJ.

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

Improper combination between inverter and fan driver

Potential Causes & Solutions

  • Mis-matching of type of PCB.
  • Improper (or no) field setting after replacing outdoor unit main PCB.

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