Error Codes And Indicators - Delta AH Series Operation Manual

AH Mo t io n C on tr o ll er – O per a ti o n M an u a l
9.2

Error Codes and Indicators


Columns
Items provided in the table
1 Error code
2 Description
3 CPU status
4 LED
indicator
status

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:
Mode LED indicator
RUN
CPU
ERROR
_9
BUS FAULT
9 - 6
If the error occurs in the system, the error code is generated
The description of the error
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.
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
Description
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 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.
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.