Daikin | Heat Reclaim Ventilator

Error Code CA

Troubleshooting guide for the Daikin Heat Reclaim Ventilator system fault CA.

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 air thermistor

Potential Causes & Solutions

  • Defective thermistor for discharge air.
  • Defective indoor unit PCB.
  • Defective connector contact.

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