Fault codes and software
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84
4
F54 Slot fault
F 54 displayed.
Check data in
fault history.
W rong data in
option board EE PR O M
Status
RU N ?
H ardware fault in
control board or option board
S PI com m unication.
YES
S tart-up of new
option board
D id fault occur
when a new
optionboard was
plugged in?
NO
C heck for
R UN status o n
each o ptionboard.
N O
N O TE:
Fault occu rs when internal
SP I bus is overloaded or broken.
S PI bus com m unicates with slots
B -E.
YE S
Initialisation state is
active on
option bo ard, but
does not reach
RU N state.
Application m ight
com m unica te with option board
too m any tim es/tim e slot.
A pplication is too heavy.
FIGURE 43. Fault code F54