7-4SectionTroubleshooting Flowcharts
121
Non-fatal Error Check
Identify the error, eliminate its
cause, and clear the error.
ERR indicator flashing.
Is a non-fatal error
indicated?
Is the ERR
indicator flashing?
Replace the CPU
Board.
End
Determine the cause of the error
with a Programming Device.
No
Yes
Flashing
Not lit