WEG SSW-05 Manual Del Usuario página 17

Protection
Description
Front Panel
Internal
(Internal Fault)
By-pass relay
flashes 3 times
contact is open
Overcurrent before
(Internal Fault)
By-pass
flashes 4 times
Overcurrent of the
(Internal Fault)
SSW-05 By-pass
flashes 5 times
relay
Frequency out of
(Internal Fault)
tolerance
flashes 1 time
Note
To prevent the E31 fault, when HMI-SSW05-RS is applied, please no avoid resetting the
fault through the digital inputs (DI2) and through the reset key located on the SSW-05 front
panel.
Fault Display
SSW-05
HMI-SSW05-RS
(see chapter 19.3)
LED
E71
E72
LED
LED
E73
LED
E75
English-17
Installation and Operation Manual - SSW-05 Plus
Reset
Power-on
Reset key
key
Auto-reset
DI2.
Power-on
Reset key
key
Auto-reset
DI2.
Power-on
Reset key
key
Auto-reset
DI2.
Power-on
Reset key
key
Auto-reset
DI2.
Possibles Causes
SSW-05 is defective.
The time programmed for the
acceleration ramp is shorter
than the actual acceleration
time.
Rated motor current higher
than the current that can be
supported by the Soft-Starter.
Motor shaft is locked
Short-circuit between phases.
Rated motor current higher
than the current that can be
supported by the Soft-Starter.
Motor shaft is locked.
The line frequency is out of ran-
ge (+/- 10%), when compared
with the rated frequency (50Hz
or 60Hz).