Chapter 2) 7XG3124 Application Guide
©2014 Siemens Protection Devices Limited Chapter 2 Page 39 of 42
LED State
Meaning
On Solid
Healthy
Fast Flashing
(approx three
times every sec)
CID loading error
Slow Flashing
(approx once
every sec)
SNTP sync fail
Off
Internal Communications
failure
5.3 System Status
Auxiliary Supply or Relay Healthy Indication
Refer to the Commissioning section :
Interpreting Vx Auxiliary Supply or Relay Healthy
Indications for further details
Ethernet Activity
Figure 48: RA24 System Status
5.4 Service Alarm
The module self supervision checks the following : Auxiliary
supply failure
Internal supply rail is outside acceptable limits
CPU Hardware watchdog failure
Service Alarm
Figure 49: RA24 Service Alarm