M
M
N
N
S
S
i
i
S
S
O
O
p
p
e
e
r
r
a
a
t
t
i
i
o
o
n
n
3
3
ABB MNS
i
S System Setup & Operation Quick Guide / System Release 6.0 – Rev.2 / Aug. 2011
5
5
9
9
3.4 Alarms and Trips
Relates to
Message
Motor Starter
System
Alarm condition
Trip condition
M
Start
Communication
Error
X
No communication between
M
Control
and Power
Module (M
Start
/ M
Feed
) or
no Power Module
inserted
Condition
Power Module Main
switch has been in OFF
position before
communication loss
.
No communication
between MControl and
Power Module (MStart/
M
Feed
) or no Power
Module
inserted
Condition
Power Module Main
switch has been in ON or
Test position before
communication loss.
M
Start
ID or Range
Error
X
n.a.
M
Start
ID Error :
Difference between
configured setting in
M
Navigate
(Maintenance
Functions -> M
Start
Supervision) and actual
Power Module (e.g.
M
Start
) inserted.
Range Error :
Setting for nominal current
(In) is not matching the
current range of the actual
inserted Power Module
(e.g. M
Start
)
In the next section the Contactor Feedback signal is a hardwired signal used by the power module to
monitor the status of the Contactor i.e. Open or Closed, against the desired status.