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4.13.3 LSLS Status LEDs
The LSLS has two tri-colour status LEDs as shown in Figure 25 which are used to
indicate various conditions as follows. Conditions other than those identified should
not occur and so can be treated as faults.
LED A
Yellow
Red
continuous
Alternate green
Off
Off
Off
Security classification
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Version
7
Last Editor
manpreet.jeerh
Document Name
ST950 ICM Handbook
Copyright © Siemens plc 2020. All Rights Reserved.
All manuals and user guides at all-guides.com
Figure 26 – LSLS Card Addressing
LED B
Meaning
Yellow
Reset
any
Major fault
Peripheral
download
Red flash
Awaiting
start
Yellow flash
Downloading Main processor is downloading to LSLS
Green flash
Normal
operation
Table 10 – LSLS LEDs
Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Possible Cause
Start up (if brief)
Comms lost to main processor (if brief)
Hardware fault (otherwise)
The LSLS has detected a major fault
LSLS powered up with peripheral
download link present
LSLS powered up
Comms lost to main processor
Download complete and comms with
main processor established.
Page
Status
Date
Document No.
Mobility is a division of Siemens Plc
Address set to 1
59 of 154
Issued
January 2020
667/HE/45950/000
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