Specifications

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8. Error code list
When an error occurs within AHC, the error code will appear on the remote controller and the centralized controller, and the
LED indicator on the circuit board will blink.
The table below summarizes the types of errors that AHC detects.
Error code Definitions
0101 Equipment abnormality in system (DI01)
0102 Equipment abnormality in system (DI02)
~
0115 Equipment abnormality in system (DI15)
0116 Equipment abnormality in system (EI01)
~
0119 Equipment abnormality in system (EI04)
0403 Serial transmission trouble
6600 M-NET communication error - Address duplicate
6601 M-NET communication error - Polarity unsettled
6602 M-NET communication error - Transmission processor hardware error
6603 M-NET communication error - Transmission line busy
6604 M-NET communication error - No ACK return
6605 M-NET communication error - No return of response frame
6606 M-NET communication error - Transmission processor communication error
7130 System abnormality - Different unit model error (Program compatibility error)
Note: For detailed information about the error codes and their definitions, refer to the technical manual that came with AHC.