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Messages and diagnostics
9.4 Faults and remedial actions of the 3RW52 soft starter
Error
Error
No.
1)
381
Self-test error
1408
Missing load
1409
Loss of phase L1
1410
Loss of phase L2
1411
Loss of phase L3
1417
Bypass defective
1418
Bypass protective
shutoff
178
Cause
Irrecoverable error detected
following self-diagnostics
(self-test, contactor contacts,
switching element, etc.).
No current flow is detected
in the motor feeder after an
ON command.
Main circuit interrupted
(fuse, motor starter
protector)
Motor contactor or
contactor control is
defective
No load
The main power monitoring
detects a phase failure.
Bypass defective
The error can also be
generated by
successive, brief
interruptions of the
supply voltage (control
supply voltage).
An excessively high current
has occurred in bypass
mode.
Remedy
Switch off the power supply
(control supply voltage) for at
least 5 seconds and switch it
on again. If the fault is still
present proceed as follows:
Please contact Technical
Support (Support Request
(Page 12)).
Replace the device.
Acknowledgment once the
cause has been rectified.
Acknowledgment once the
cause has been rectified.
Switch off the power supply
(control supply voltage) for at
least 5 seconds and switch it
on again. If the fault is still
present proceed as follows:
Please contact Technical
Support (Support Request
(Page 12)).
Check bypasses for L1,
L2 and L3 and replace
defective bypasses.
Check the motor.
Check the dimensioning of
the soft starter.
Acknowledgment after
cooling down
Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
RESET MODE
Manual
Remote
Auto
2)
3)
-
-
-
x
x
-
x
x
-
-
-
-
x
x
-
SIRIUS 3RW52 Soft Starter
4)
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