Daikin | Chiller

Error Code L1

Troubleshooting guide for the Daikin Chiller system fault L1.

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 inverter PCB

Potential Causes & Solutions

  • Defective compressor wiring.
  • Defective outdoor unit fan motor.
  • Blown fuse.
  • Defective inverter PCB.

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