Siemens NCU 7x0.3 PN Series Manual page 84

Connectable components
9.1 NX10.3 / NX15.3
LED displays
Table 9- 1 Description of LEDs on the NX10.3 / 15.3
LED Color
RDY Off
Green
Red
Orange
DP Off
Green
Red
RESET button
The RESET button is on the front of the module under the cover.
NOTICE
When the pushbutton is actuated, the locally connected drive systems are brought to a
standstill with no feedback to the control. In other words, the drive and controller run
asynchronously once the drive has successfully booted up.
84
Status
Continuous light
Flashing light 2 Hz
Continuous light
Flashing light 0.5 Hz
Continuous light
Flashing light 0.5 Hz
Flashing light 2 Hz
Continuous light
Flashing light 0.5 Hz
Continuous light
Description
Electronic power supply outside permissible tolerance range
NX is ready for operation
Writing to CompactFlash Card
NX is presently booting and at least one fault is present (e.g. RESET,
watchdog monitoring, basic system fault).
Boot error (e.g. firmware cannot be loaded into the RAM)
Firmware loading into RAM
Unable to load firmware into RAM
Firmware CRC fault
Electronics power supply outside the permissible tolerance range, NX
is not ready to run.
CU_LINK is ready for communication and cyclic communication is
running.
CU_LINK is ready for communication and no cyclic communication is
running.
At least one CU_LINK fault is present.
CU_LINK not ready for operation (e.g., after switching on)
NCU 7x0.3 PN
Manual, 09/2011, 6FC5397-1EP40-0BA0