Cutler-Hammer D320 PLC, User Manual

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172
D320 PLC User's Manual
Run Check
*Be certain to save the program before clearing the PLC program so it is not lost.
Run LED is not illuminated
Is CPU mode switch set
at Run?
Place in Run mode
using GPC
Is the Error LED illuminated?
Set the CPU mode switch to Prog
Clear the PLC program*
Set the CPU mode switch to Run
Is the Run LED
illuminated?
Check the PLC program again
Is the Error LED illuminated? Exchange the CPU module
END
Is the Run LED
illuminated?
Set mode switch to Run
No
Yes
Yes
No
Yes
No
Go to the Error check flow
chart
Yes
No No
Yes
Go to the Error check flow
chart
On (normal)
Off