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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 shut‐
off
SIRIUS 3RW51 Soft Starter
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Cause
Irrecoverable error detec‐
ted following self-diag‐
nostics (self-test, contac‐
tor contacts, switching el‐
ement, etc.).
No current flow is detec‐
ted in the motor feeder af‐
ter an ON command.
•
Main circuit interrup‐
ted (fuse, motor start‐
er protector)
•
Motor contactor or
contactor control is
defective
•
No load
The main power monitor‐
ing detects a phase fail‐
ure.
•
Bypass defective
•
The error can also be
generated by succes‐
sive, brief interrup‐
tions of the supply
voltage (control sup‐
ply voltage).
An excessively high cur‐
rent has occurred in by‐
pass mode.
9.4 Faults and remedial actions of the 3RW51 soft starter
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 11)).
•
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 11)).
•
Check bypasses for L1, L2
and L3 and replace defec‐
tive bypasses.
•
Check the motor.
•
Check the dimensioning of
the soft starter.
•
Acknowledgment after
cooling down
Messages & diagnostics
RESET MODE
Man‐
Re‐
Auto
4)
ual
mote
2)
3)
-
-
-
x
x
-
x
x
-
-
-
-
x
x
-
137
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