Siemens SIMOTION C Operating Instructions Manual page 166

Alarm, error, and system messages
9.1 Diagnosis using the LEDs
Display Meaning
STOP (yellow) SIMOTION C in STOP
mode
LED - ON
LED - flashing
(2 Hz)
LED - flashing
(0.5 Hz)
BUS1F (X8) (red) Fault on interface
or
BUS2F (X9) (red)
LED - ON
LED - flashing
(0.5 Hz)
LED - OFF
LED - ON
LED - flashing
(0.5 Hz)
LED - OFF
166
Explanations
This LED indicates that a user program is not running. The technology
packages are inactive.
See STOP (yellow)
The time from when the "STOP" operating mode is selected until this
operating mode has been attained is indicated by the LED flashing.
A memory reset request is indicated by slow flashing, see chapter
SIMOTION C memory reset (Page 154).
This LED indicates a fault on the PROFIBUS DP interface.
Interface configured as slave:
Bus fault
Search for baud rate
Parameterization error
No cyclic data exchange
Cyclic data exchange
Interface configured as master:
Bus fault (bus short circuit)
Bus fault (slaves have failed or cable faulty)
No fault or no interface configured
SIMOTION C
Operating Instructions, 02/2012