Diagnosis LEDs directly at the station
Abb-
Colour Meaning
rev.
UM
green Main supply
US
green Segment supply
BF
red
Bus Fault
FS
red
Failure Select
FN
red
Failure Number
see also the chapter „MAINTENANCE AND TROUBLESHOOTING"
Type 8644
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Display / LEDs
Explanation
Supply voltage present in main circuit for IL PB BK, logic
supply and interfaces.
Supply voltage present in segment circuit.
No data exchange with master.
Selects function of LED FN: FS lights: FN shows the error
type. FS does not lieght: FN shows the error number.
The number of flashes indicates the error type or error
number, depending on whether FS lights or not.
C
OMMISSIONING
CO 5