97
5277A
Diagnostics in Controller Boards Without LC Display
If controller boards are not provided with an LC display, diag-
nostics is carried out via LEDs.
The following table shows the different LED states and the
corresponding LC display reading:
Table 2: Comparison of LED states and the LC display
For controller boards without LEDs, use the IBS CMD SWT
G4 E software tool (Order No. 27 21 44 2). The software
which runs under Windows
®
provides comprehensive func-
tions for configuration, startup and diagnostics.
Name LED State LC Display
Ready/Run Green, out BOOT/RDY
Green, flashing ACTV
Green, on RUN
BSA Yellow BSA
FAIL Red FAIL
PF Yellow PF