Daikin · Simple Self Diagnosis by Malfunction Code | Daikin
The address setting for the centralized control equipment is incorrect or duplicated, causing a conflict.
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Turn off power to the central control system.
Review the address settings for all connected devices and the central controller.
Correct any duplicate or incorrect addresses.
Restore power and check if the error clears.
If the issue persists, consult the central control system manual or a technician.