Siemens SIMOTICS S-1FT2 User Manual

Faults and their recti󹪝cation
10
10.1 1FT2 faults
Description
WARNING
Operation without functioning protective devices
Operation without functioning protective devices can cause death or severe injury.
• Operate the motor, even in test operation, only with functioning protective devices.
Proceed as follows if there are deviations from normal operation or if faults occur.
NOTICE
Motor damage caused by faults
Faults can cause damage to the motor.
• Correct the fault cause as speci󹪝ed in the remedial measures.
• Repair any damage to the machine/motor.
• Identify the fault using the "Possible faults" table.
Also observe the converter messages.
• Try to correct the fault using the "Fault causes and remedial measures" key table.
Possible faults
Fault Fault cause (see "Fault causes and remedial measures"
key table)
Motor does not start A B              
Motor starts slowly A  C  F           
Humming sound when starting   C  F           
Humming sound in operation A  C  F           
High temperature rise under no-load op‐
eration
   D  I J         
High temperature rise under load A  C   I J         
Uneven running        K C
C
W
      
Grinding sound, running noise          M      
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
Operating Instructions, 12/2023, A5E50610821B AF 103

Siemens SIMOTICS S-1FT2 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FT2
Category	Engine
Language	English