Siemens ST950 - Page 149

Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
149 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Copyright © Siemens plc 2020. All Rights Reserved. Mobility is a division of Siemens Plc
Configuration Download Sequence
If the configuration download sequence to the LSLS Card fails, then one of the
following error messages is displayed. The ‘*’ will be replaced by the card address.
DL NOT STARTED
BAD REPLY TO SD MSG
LS* DOWNLOAD FAIL
Check the connections to the card and if the fault persists, replace the card.
LSLS Card Failures
If low power is confirmed by one or more LSLS Cards, then the following error
message is displayed. The ‘*’ will be replaced by the address of the first card to
report it.
LSLS* POWER LOW
Carefully check the mains supply voltage to the Controller and the taps on the lamp
supply transformer (which also provides the logic power to the LSLS Cards). If the
fault persists, change the LSLS Card. Also see the description of “FLF 9:255 LSPF”
in the handset handbook.
If communication to one or more LSLS cards has been lost, then the following error
message is displayed. The ‘*’ will be replaced by the address of the first card that
disappears.
LSLS* COMMS FAIL
Check the cable connections between the Main CPU Card and that LSLS Card.
Also see the description of “FLF 43:255 LSLS” in the handset handbook.
If a ‘Major Fault’ is reported by an LSLS Cards, then the following error message is
displayed. The ‘*’ will be replaced by the address of the LSLS Card.
LSLS* MAJOR FAULT
The LSLS Card will probably need to be replaced. For more information, see the
description of “FLF 42:255 LSMF” in the handset handbook.