Daikin | Chiller

Error Code H8

Troubleshooting guide for the Daikin Chiller system fault H8.

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 compressor input (CT) system

Potential Causes & Solutions

  • Defective power transistor.
  • Defective reactor.
  • Faulty wiring of inverter system.
  • Defective outdoor unit PCB.

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