Daikin | Chiller

Error Code P3

Troubleshooting guide for the Daikin Chiller system fault P3.

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 in switch box

Potential Causes & Solutions

  • Defective connection of thermistor.
  • Defective reactor thermistor.
  • Defective inverter PCB.

Diagnose with Confidence

Use the ACLogics AI assistant to walk through this error code step-by-step.

Get the App

Included in Diagnosis Workflow

1

Ask

Upload nameplate & symptoms

2

Diagnose

AI identifies error P3

3

Report

Generate professional PDF