Siemens ST950 - Self-Test Handset Output After Lamp Supply On

Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
142 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
Part Two, see section Error! Reference source not found.) that all the LSLS C
ards have been correctly identified.
EFC Failed
Displayed if the Primary has seen SelfTest start in the EFC, but the EFC appears to
have stopped
Mains Freq Error
Reported if the mains frequency measurement is more than 5% out from either
50Hz or 60Hz
P/Bus init...Failed
P/Bus Fault
The phase bus system has failed to initialise correctly
L/Supply Off=48V
L/Supply Stuck On
If a lamp supply is being detected, then this implies that the lamp supply relays are
all switched ON or are being by-passed by a wiring fault for example.
V/Mons Off...Failed
180000000 4--------
200000001 5--------
300000000 6--------
If any of the voltage monitors appear to be detecting a voltage, even though the
lamp supply is switched off, then this implies a problem with the hardware on one or
more of the LSLS cards. See section 10.4 for details of this format of error
message.
11.5 Self-Test Handset Output After Lamp Supply On
It is essential that the correct number of LSLS cards have been
detected at this point as, following this, the Self-Test starts applying the
lamp supply to the LSLS Cards.
Therefore, check that the pattern illuminates the correct number of LEDs on the
card for that card’s address, e.g. the pattern will just contain one illuminated LED on
LSLS#1, but will contain two illuminated LEDs on LSLS #2. Also check that the
scrolling pattern illuminates all the amber LEDs in turn on all the LSLS cards fitted.
After the level 3 button is pressed or “Y” entered and confirmed, Self-Test switches
ON the lamp supply and will test each LSLS output and monitor circuit by switching
each one ON in turn for just two mains cycles (40ms). This may visible on the traffic
signals as a bright flash, particularly with LED Signals. Therefore:
All LED Signal Heads should be covered before proceeding any further
with the Self-Test.