Troubleshooting of E devices
Arrranged by:
Péter Erdős
Zoltán Seida
PR-MU-27-11
Valid from:
2016-01-22
Page: 27 / 28
Approved by: László Eperjesi
Revision: 1
Status LED
LCD display
status
Front panel
buttons
Possible fault
Suggestion
Yellow
Working.
Working.
There is an
external time
synchronization
device
connected and
the “Timesync
warning”
parameter is
set in the
system
parameters
menu, but no
synchronization
signal is
received.
In this case on
the web page
advanced
status/log
menu a
warning
message can
be seen
(
0x0020 Time
sync warning
,
see more in
section 8.1)
Check the
settings and
connections of
the time
synchronization
device
Yellow
Working.
Working.
In the user logic
there is a signal
connected to the
“ExtWarning” input
of the Common
function block, and
this signal is on. In
this case the
Failure Relay picks
up also and on
web page
advanced
status/log
menu a
warning message
can be seen
(
0x0020 User
warning
, see
Check the
configuration of
the device using
the EuroCAP
tool. Look for
the Common
function block in
the graphic
editor and see
what kind of
signal is
connected to
the ExtWarning
input.
The most
common signals
may be