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Messages & diagnostics
8.4 Faults and remedial actions of the 3RW51 soft starter
Error
Fault
No.
1)
328
Motor overload tripping
378
Installed firmware is
invalid / inconsistent
381
Device error
1408
Zero current after ON
command
1409
Phase failure L1
1410
Phase failure L2
1411
Phase failure L3
124
Cause
Remedy
The motor
Please check the motor
•
•
feeder has
and the applications
been
that are being driven by
overloaded
the motor.
After tripping, you can
The
•
•
temperature
switch on the motor
rise of the
again after the cooling
motor has
time has expired or
exceeded a
after clearing the
limit value.
thermal memory of the
motor.
The firmware is
Execute a complete
•
incomplete
firmware update.
and / or the
Check any occuring
•
firmware
error messages.
expansions are
incomplete or
Check to see whether
•
incompatible.
or not the firmware
update has been
interrupted.
Irrecoverable error
Replace the device.
•
detected following
self-diagnostics
(self-test,
contactor
contacts, contact
block, etc.).
No current flow is
Acknowledgment once
•
detected in the
the cause has been
motor feeder after
rectified.
an ON command.
Possible causes:
Main circuit is
•
interrupted
(fuse, motor
starter
protector)
Motor
•
contactor or
contactor
control is
defective
No load
•
The main energy
Acknowledgment once the
monitoring system
cause has been rectified.
has detected a
phase failure.
Manual
Remote
RESET
RESET
x
x
2)
2)
-
-
-
-
x
x
x
x
Manual, 06/2019, A5E37108631002A/RS-AB/002
Auto
RESET
x
2)
x
-
-
-
3RW51 Soft Starter
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