Daikin | Split/ Multi Split

Error Code H1

Troubleshooting guide for the Daikin Split/ Multi Split system fault H1.

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 room temperature sensor or humidifier unit damper

Potential Causes & Solutions

  • Defective limit switch.
  • Defective damper.

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