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3-Digit
Display
A-3. An Error Code Displayed on the Model 170
The 3-digit display on the operator panel is used to:
•
Track the progress of the IBM 6611 power-on
. self-test (POST) and other tests that run when
the IBM 6611 is started
•
Display the codes when the IBM 6611 software
comes to an abnormal end
•
Display the IBM 6611 messages
•
Display diagnostic program codes.
During the POST, the numbers that are displayed
indicate the progress of the testing. If an error is
detected that requires attention, the IBM 6611 stops
and a number is displayed on the 3-digit display to
identify the error. When the POST runs without
error, the 3-digit display is blank.
If you have a continuous flashing 888 on the 3-digit
display, the IBM 6611 Network Processor
Diagnostic Program has detected an error. See
"Reading Flashing 888 Numbers" on page A-3 for
instructions about reading the error codes.
A-2
6611 Operations Pocket Guide
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