Daikin | Chiller

Error Code 81

Troubleshooting guide for the Daikin Chiller system fault 81.

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 leaving water temperature thermistor or drain pipe heater

Potential Causes & Solutions

  • Defective connector contact.
  • Defective leaving water temperature thermistor.

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