Cutler-Hammer D50 - Error Check

Chapter 7: Testing and Troubleshooting 135
Error Check
Error Check Flowchart
Are any
of the bits from
F0.0 to F0.7 in the
ON state?
System Error -
Resupply Power
Yes
No
Replace the controller
System ROM Error -
Resupply Power
System RAM Error -
Resupply Power
User program Error -
Download the program
again
Program Syntax Error -
Correct the program, and
download again
Module Change Error -
Resupply Power
Module Error -
Resupply Power
F0.0 = 1
F0.1 = 1
F0.2 = 1
F0.3 = 1
F0.4 = 1
F0.6 = 1
F0.7 = 1
Are any
of the bits from
F0.0 to F0.7 in the
ON state?
Yes
No
No
Is bit F1.7
in the ON state?
K Register Error -
Clear K registers, or
Resupply Power
No
Yes
Is bit F1.7
in the ON state?
Yes
No
Is the ERR LED
illuminated?
Go to the System
Check flowchart
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