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