Daikin | Packaged

Error Code UH

Troubleshooting guide for the Daikin Packaged system fault UH.

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 system

Potential Causes & Solutions

  • Improper connection of transmission wiring between indoor-outdoor units and outdoor-outdoor units.
  • Defective indoor unit PCB.
  • Defective outdoor unit PCB.

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