Operating Manual 6175.4760.02 – 01 3.103
M3SR Series 4100 Control Unit Maintenance
3.5.1.1 Control Unit Error List (4011)
Figure 3.56 Menu 4011: CU Error List (Example)
1 Sequential Error Number
2 Error Description and Type of BIT (PBIT, CBIT or IBIT)
3 Error Still Active (Y = Yes, Active; N = No, Not Active)
4 Count of Occurrence since Power-On
5 List of Errors since CU Power-On
The menu CU Error List shows in the central area the error list of the BIT errors. The error
list shows the errors having occurred since power-on of the CU. It shows the sequence num-
ber (No.) of the errors, a short description of the error, if the error is still active (Yes/No) and
the number of occurrences since power-on. To get more details about an entry, select it with
the knob and press the navigation softkey 'Details...' to navigate to the menu Control Unit Er-
ror Details (see ”Control Unit Error Details (4012)” on p. 3.105).
If no error occurred since power-on, the error list is empty. As long as any error in the
error list is active, the CU LED is switched off (see sect. 3.2 Operating Concept).
For details about the CU built-In test see also sect. 6.2.5 Control Unit Built-In Test.
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