AH Motion Controller – Operation Manual 9.2 Error Codes and Indicators Columns LED indicators The AH Motion Controller CPU can function as a motion CPU or a motion module. The effective LED indicators are different according to the applications of AH Motion Controller CPU, either in CPU mode or in Module mode: _9 9-6 Items provided in the table 1 Error code If the error occurs in the system, the error code is generated 2 Description The description of the error 3 CPU status If the error occurs, the CPU stops running, keeps running, or in the status defined by users. Stop: The CPU stops running when the error occurs. Keep: The CPU keeps running when the error occurs. Self-defined:
The status of the CPU can be defined by users. 4 LED indicator status LED indicator status: If the error occurs, the LED indicator is ON, OFF, or Blinking. RUN: Operating status of the CPU ERROR: Error status of the CPU BUS FAULT: Error status of the I/O bus SYSTEM: System status of the CPU Mode LED indicator Description CPU RUN Operating status of the CPU ON: The user program is being executed. OFF: The execution of the user program stops. Blinking: The CPU runs in debug mode. ERROR Error status of the CPU ON: A serious error occurs in the CPU. OFF: The system is normal. Blinking: A slight error occurs in the CPU. BUS FAULT Error status of the I/O bus ON:
A serious error occurs in the I/O bus. OFF: The I/O bus is normal. Blinking: A slight error occurs in the I/O bus.