Daikin | Fan Coil

Error Code M8

Troubleshooting guide for the Daikin Fan Coil system fault M8.

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 transmission between optional controllers for centralized control

Potential Causes & Solutions

  • Other centralized control power disconnection Centralized control reset switch ON.
  • Defective transmission wiring.
  • Central remote controller address change.

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