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Non-fatal Error Check
Identify the error, eliminate its
cause, and clear the error.
ERR/ALM indicator flashing.
Is a non-fatal error
indicated?
Is the ERR/ALM indi-
cator flashing?
Replace the CPU
Unit.
End
Determine the cause of the error
with a Peripheral Device.
No
Yes
Flashing
Not lit
Troubleshooting Flowcharts
Section 5-6