Siemens SIRIUS 3RW50 - Page 170

Messages and diagnosis
8.4 Faults and remedial actions of the 3RW50 soft starter
SIRIUS 3RW50 soft starter
170 Manual, 09/2019, A5E35628455002A/RS-AA/001
Error
No.
1)
Error
Cause
Remedy
RESET MODE
Manual
2)
Remote
3)
Auto
4)
1408 Zero current after ON
command
No current flow is detected
after the motor feeder is
switched on. Possible
causes:
• Main circuit interrupted
(fuse, circuit breaker)
• Motor contactor or
contactor control is
defective
• No load
• Acknowledgment once
the cause has been
rectified.
x x -
1409
Loss of phase L1
The main power monitoring
detects a phase failure.
• Acknowledgment once
the cause has been
rectified.
x x -
1410
Loss of phase L2
1411
Phase failure L3
1417 Bypass defective
• Bypass defective
• The error can also be
generated by
successive, brief
interruptions of the
control supply voltage.
• Check the bypasses for
L1, L2 and L3 and
replace any that are
defective.
• Please contact Technical
Support (Support
Request (Page 37)).
- - -
1418 Bypass protective
shutoff
An excessively high current
has occurred in bypass
mode.
• Check the motor.
• Check the dimensioning
of the soft starter.
• Acknowledgment after
cooling down
x x -
1454 Module slot wrong or
configuration faulty
There is a difference
between a real slot and a
slot configured in the
SIRIUS Soft Starter ES
(TIA Portal).
• Ensure consistency
between plugged and
configured module.
Possibly the referenced
module has a wiring error.
• After the cause is
eliminated, the error
self-acknowledges.
- - -
1466
Contact 1 failed
Switching element defective
• Check the contact blocks
for L1, L2, and L3 and
replace any that are
defective.
• Please contact Technical
Support (Support
Request (Page 37)).
- - -
1468 Contact 3 failed