Chapter 9 Troubleshooting 9_ 9-25 Error code Description CPU Status LED indicator status ERROR BUS FAULT 16#9A33 An error occurs when COM1 communicates with slave 19 by Modbus. Continue Keep Keep 16#9A34 An error occurs when COM1 communicates with slave 20 by Modbus. Continue Keep Keep 16#9A35 An error occurs when COM1 communicates with slave 21 by Modbus. Continue Keep Keep 16#9A47 COM1 receives no response from slave 7 by Modbus. Continue Keep Keep 16#9B01 An error occurs when the Modbus connection of COM2 is initialized. Continue Keep Keep 16#9B21 An error occurs when COM2 communicates with slave 1 by MODBUS.
Continue Keep Keep 16#9B22 An error occurs when COM2 communicates with slave 2 by MODBUS. Continue Keep Keep 16#9B23 An error occurs when COM2 communicates with slave 3 by MODBUS. Continue Keep Keep 16#9B24 An error occurs when COM2 communicates with slave 4 by MODBUS. Continue Keep Keep 16#9B25 An error occurs when COM2 communicates with slave 5 by MODBUS. Continue Keep Keep 16#9B26 An error occurs when COM2 communicates with slave 6 by MODBUS. Continue Keep Keep 16#9B27 An error occurs when COM2 communicates with slave 7 by MODBUS. Continue Keep Keep 16#9B28 An error occurs when COM2 communicates with slave 8 by MODBUS.
Continue Keep Keep 16#9B29 An error occurs when COM2 communicates with slave 9 by MODBUS. Continue Keep Keep 16#9B2A An error occurs when COM2 communicates with slave 10 by MODBUS. Continue Keep Keep 16#9B2B An error occurs when COM2 communicates with slave 11 by MODBUS. Continue Keep Keep 16#9B2C An error occurs when COM2 communicates with slave 12 by MODBUS. Continue Keep Keep 16#9B2D An error occurs when COM2 communicates with slave 13 by MODBUS. Continue Keep Keep 16#9B2E An error occurs when COM2 communicates with slave 14 by MODBUS. Continue Keep Keep 16#9B2F An error occurs when COM2 communicates with slave 15 by MODBUS.
Continue Keep Keep 16#9B30 An error occurs when COM2 communicates with slave 16 by MODBUS. Continue Keep Keep