Messages and diagnosis
8.4 Faults and remedial actions of the 3RW50 soft starter
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001
169
324 Temperature sensor
overload
The temperature of the
motor is too high.
• Check the motor and the
application that is driven
by the motor.
• After triggering, the motor
can only be switched on
again if the temperature
has reached the release
position of the
temperature sensor.
x
5)
x
5)
x
5)
325 Temperature sensor
wire break
A wire has broken in the
sensor cable of the
temperature sensor.
• Check the sensor cable
and the temperature
sensor.
x
5)
x
5)
x
5)
326 Temperature sensor
short-circuit
A short-circuit has occurred
in the sensor line of the
temperature sensor.
• Check the sensor cable
and the temperature
sensor.
x
5)
x
5)
x
5)
327 Therm. motor model
overload
• The motor feeder is
overloaded.
• The motor temperature
has exceeded a limit.
• Check the motor and the
applications driven by the
motor.
• You can switch on the
motor again after the
cooling-off period has
expired or after deleting
the thermal motor model.
x
5)
x
5)
x
5)
328 Motor overload
tripping
• The motor feeder has
been overloaded
• The temperature rise of
the motor has exceeded
a limit value
• Check the motor and the
applications driven by the
motor.
• You can switch on the
motor again after the
cooling-off period has
expired or after deleting
the thermal motor model.
x
5)
x
5)
x
5)
378 Invalid / inconsistent
firmware present
The firmware is incomplete
and / or the firmware
expansions are incomplete
or incompatible.
• Execute a complete
firmware update.
• Check any occurring error
messages.
• Check to see whether the
firmware update has
been interrupted.
- - x
381 Device error Unrecoverable error
detected after internal
diagnostics (self-test,
contactor contacts,
switching element, etc.).
• Replace the device.
• Please contact Technical
Support (Support
Request (Page 37)).
- - -
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