Siemens SIRIUS 3RW52 - Page 135

Messages and diagnostics
8.4 Faults and remedial actions of the 3RW52 soft starter
SIRIUS 3RW52 Soft Starter
Manual, 01/2019, A5E35630451002A/RS-AD/004
135
Error
No.
1)
Fault
Cause
Remedy
Manual
RESET
Remote
RESET
Auto RESET
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
2)
x
2)
x
2)
326 Temperature
sensor short
circuit
A short circuit has
occurred in the
temperature sensor
cable.
• Check the sensor
cable and the
temperature sensor.
x
2)
x
2)
x
2)
327 Therm. motor
model overload
• The motor feeder
has been
overloaded.
• The motor
temperature rise
has exceeded a
limit.
• Please check the
motor and the
applications that are
being driven by the
motor.
• After tripping, you
can switch on the
motor again after
the cooling time has
expired or after
clearing the thermal
memory of the
motor.
x
2)
x
2)
x
2)
328 Motor overload
tripping
• The motor feeder
has been
overloaded
• The temperature
rise of the motor
has exceeded a
limit value.
• Please check the
motor and the
applications that are
being driven by the
motor.
• After tripping, you
can switch on the
motor again after
the cooling time has
expired or after
clearing the thermal
memory of the
motor.
x
2)
x
2)
x
2)
378 Installed firmware
is invalid /
inconsistent
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