6BMESSAGES AND DIAGNOSTICS
7.9 Messages via LEDs
The LEDs on the front of the SIWAREX U are used to signal the following status
and error messages.
Label LED
color
LED Explanation
Status
display during operation
SF
Red
LED 1 Error display
System fault
(hardware fault,
operating error)
OFF: there is no operating error
ON: there is an operating error
24 V
Green
LED 2
Ext. 24 V supply
OFF: No 24 V supply
ON: 24 V supply present
ST1 Orange
LED
3
Status 1
The meaning can be determined
during parameterization.
ST2 Orange
LED
4
Status 2
The meaning can be determined
during parameterization.
COM Green
LED
5
Communication
OFF: communication via RS232 is not
taking place
FLASHING: communication via
RS232 (SIWATOOL U) is taking place
Table 7-5
List of LED messages
7-50
SIWAREX U