What It Means
Malfunction of setting of centralized control equipment address.
Daikin Fan Coil
Daikin Fan Coil Error Code UC
Troubleshooting guide for the Daikin Fan Coil system fault UC.
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Possible Causes
- Address duplication of centralized control equipment Defective indoor unit PCB.
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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.
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Full Diagnosis
Malfunction of setting of centralized control equipment address
All Recorded Causes
Address duplication of centralized control equipment Defective indoor unit PCB
Verify Before Replacing Parts
- Confirm the exact Daikin model family and fan coil context before acting on a generic code description.
- Confirm filter condition, blower operation, and coil cleanliness before replacing any controls — start by ruling out whether address duplication of centralized control equipment Defective indoor unit PCB.
- Measure airflow-related readings that match the symptom, such as temperature split or static pressure, and check whether the next candidate on the list.
- After the correction, run the system long enough to confirm the fan coil fault does not return under normal load.
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