IBM 3745 Service Functions page 68

Communication controller
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Errors during Diagnostics
There are two types of error:
1. Diag error reporting (see Figure 3-10 on page 3-10), when the diagnostic
detects an error in the element being tested.
2. Diag/DCF unexpected error (see Figure 3-15 on page 3-21 and Figure 3-16
on page 3-21), when an error occurs anywhere in a part which is not under
test.
Those screens are examples, and should not be used for troubleshooting.
Diag Error Reporting Display
****************
*
R RH303604
*
* RAe 60102
*
*
ERC IA010702
*
****************
START 00:26:25 STOP 00:27:44
FRU REMOVAL
=>
POWER OFF
ERROR COUNT 00001
Figure
3-14. Diagnostic Error Screen
This screen is displayed after an error has been found by the diagnostic, if stop
on error was selected. (see "Diagnostic Selection Modify Screen Description"
on page 3-15.) This is only an exemple, because there can be many different
screens, according to the type of error. In the next paragraph, you will find an
explanation of every field which may appear on the various error screens.
Note: Fields having characters and dots (for example, LOOP COUNT ... ) are dis-
played only when necessary.
Field Description for Diagnostic Errors
ERe
Error reference code
RAe
Repair action code
Note: You may find: N ERC and N RAC if you loop on the error.
EXP DATA: Data expected by the diagnostic
ReV DATA: Data actually received
ERR BIT:
0004 0000
MASK:
OFFF 0000
Chapter 3. Diagnostics
3-19

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