Chapter 7 Error Codes 7-3 Error code Description CPU Status LED indicator status ERROR BUS FAULT 16#0016 The module setting is incorrect. (SM10) Stop ON Keep 16#0017 The device which is associated with the data register is incorrect. (SM10) Stop ON Keep 16#0018 The serial port is abnormal. (SM9) Continue Blinking Keep 16#0019 The USB is abnormal. (SM9) Continue Blinking Keep 16#001A The contents of the system backup file (DUP) are incorrect. Stop ON Keep 16#001B Timed interrupt 0 is set incorrectly. Stop ON Keep 16#001C Timed interrupt 1 is set incorrectly. Stop ON Keep 16#001D Timed interrupt 2 is set incorrectly. Stop ON Keep 16#001E Timed interrupt 3 is set incorrectly.
Stop ON Keep 16#001F The watchdog timer is set incorrectly. Stop ON Keep 16#0020 The setting of the fixed scan time is incorrect. Stop ON Keep 16#0021 The setting of the fixed scan time is incorrect. Stop ON Keep 16#0022 The CPU parameter downloaded to the PLC is incorrect. Stop ON Keep 16#0023 The Y state (STOP->RUN) section in the PLC Parameter Setting window is set incorrectly. Stop ON Keep 16#0024 There is no I/O module on a backplane. Continue Keep Keep 16#0026 The latching auxiliary relay range which is set is incorrect. Stop ON Keep 16#0027 The latching data register range which is set is incorrect. Stop ON Keep 16#0028 The latching timer range which is set is incorrect.
Stop ON Keep 16#0029 The latching counter range which is set is incorrect. Stop ON Keep 16#002A The latching 32-bit counter range which is set is incorrect. Stop ON Keep 16#002B The latching auxiliary relay range which is set is incorrect. Stop ON Keep 16#0033 The communication setting of COM1 is incorrect. (SM9) Continue Blinking Keep 16#0034 The setting of the station address of COM1 is incorrect. (SM9) Continue Blinking Keep 16#0035 The setting of the communication type of COM1 is incorrect. (SM9) Continue Blinking Keep 16#0038 The communication setting of COM2 is incorrect. (SM9) Continue Blinking Keep 16#0039 The setting of the station address of COM2 is incorrect.
(SM9) Continue Blinking Keep 16#003A The setting of the communication type of COM2 is incorrect. (SM9) Continue Blinking Keep 16#0050 The memories in the latched special auxiliary relays are abnormal. Continue ON Keep 16#0051 The latched special data registers are abnormal. Continue ON Keep 16#0052 The memories in the latched auxiliary relays are abnormal. Continue ON Keep 16#0053 The latched timers are abnormal. Continue ON Keep 16#0054 The latched counters are abnormal. Continue ON Keep