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
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