Diagnosis with LEDs
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5.2
System LED
The system status LED
SYS
can assume the states described below.
The Duo-LED
SYS
lights yellow and green. It indicates the system status
for
·
the loadable firmware (LFW),
·
and for the firmware intended for maintenance (Maintenance Firmware,
MFW).
LED
Color
State
Meaning
SYS
Duo-LED: yellow RDY / green RUN
(green)
On
The firmware is running.
(green)
Blinking
During the formatting of the file system
(yellow)
On
A system error has occurred.
(yellow)/
(green)
Blinking,
3x yellow,
3x green
Firmware crash, unrecoverable (an internal exception occurred that
cannot be handled)
(yellow)/
(green)
Blinking,
1 Hz, 4 Hz
·
1 Hz: The Maintenance Firmware is idle (waiting for update).
·
4 Hz: The Maintenance Firmware is in operation: Firmware update
will be installed.
(off)
Off
·
No supply voltage: No supply voltage for the device or hardware
defect.
·
During a firmware reset
Table 16: States of the SYS LED (loadable firmware and maintenance firmware), netX 90-
or netX 4000-based devices
LED state
Definition
Blinking
The display turns on and off in phases.
Blinking,
3x yellow,
3x green
The indicator turns on and off with a frequency of approx. 1 Hz:
·
3x yellow "On" for 500 ms and "Off" for 500 ms and
·
3x green "On" for 500 ms and "Off" for 500 ms
Blinking,
yellow/green,
1 Hz, 4 Hz
The indicator turns on in phases yellow or green, with a frequency of approx:
·
1 Hz: 1 x yellow "On" for 500 ms and 1 x green "On" for 500 ms
·
4 Hz: 1 x yellow "On" for 125 ms and 1 x green "On" for 125 ms
Table 17: Definitions of the states of the system status LED SYS for LFW and MFW
CIFX M223090AE Real-Time Ethernet | Hardware description and installation
DOC190704UM02EN | Revision 2 | English | 2020-06 | Released | Public
© Hilscher 2020
