Daikin | Chiller

Error Code 74

Troubleshooting guide for the Daikin Chiller system fault 74.

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

System No. 2 Actuation of low pressure switch (LPS)

Potential Causes & Solutions

  • Clogged refrigerant piping.
  • Defective connector contact.
  • Shortage of gas.
  • Defective LPS.

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