Warnings And Remedial Actions Of The 3Rw51 Soft Starter - Siemens SIRIUS 3RW51 Equipment Manual

Messages & diagnostics

9.3 Warnings and remedial actions of the 3RW51 soft starter

You will find more information on the messages of the communication module in the equipment
manual for the 3RW5 communication module in question.
The display on the status LEDs of the 3RW5 HMI High Feature indicates the state of the soft
starter and the operating state of the motor.
9.3 Warnings and remedial actions of the 3RW51 soft starter
Display of the warnings
The 3RW51 soft starter signals warnings by means of the following displays:
• LED "MT" (yellow)
• 3RW5 HMI High Feature (accessory)
Display of the warnings on the 3RW5 HMI High Feature
Detailed information about warnings and remedial actions appears in plain text on the display
of the 3RW5 HMI High Feature.
Warnings and remedial measures
Warning
Connection abort in manual
mode
Switching element too hot for
Start
Check fan
134
Cause
Connection to a local control sta‐
tion (e.g. device HMI) has been
interrupted.
Contact block (switching con‐
tact, power semiconductor) too
hot.
• Internal fan is dirty (not rotat‐
ing freely).
• Connecting cable has fallen
off or is defective.
• Internal fan faulty
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Remedy
• Check the connection be‐
tween the HMI and the de‐
vice.
• Check the connection be‐
tween the PC and the local
device interface.
• Check the ambient condi‐
tions associated with cooling.
You may want to consider
lowering the operating char‐
acteristics.
• Check the number of switch‐
ing operations.
• Check the function of the fan.
• Clean the fan.
• Check the wiring.
• Replace the fan.
SIRIUS 3RW51 Soft Starter