Switching Off And Operating Phases; Dealing With Faults - Siemens SIMOTICS T-1FW6 Operating Instructions Manual

Operation
8.3 Dealing with faults
8.2

Switching off and operating phases

During downtimes, deposits must not be produced that can block the cooling system. Check
with the manufacturer of the coolant as to how long it can remain in the cooling system.
8.3

Dealing with faults

If there are deviations from normal operation or if faults occur, initially proceed according to the
following list. In this regard, observe the relevant chapters in the documentation associated with
the components of the complete drive system.
Risk to life as a result of non-functioning protective devices
Protective devices that are not functioning can result in death, serious injury or material
damage.
• Do not deactivate protective devices. This also applies to test operation.
• Only work with protective devices that are fully functional.
NOTICE
Damage to the machine caused by faults
• Resolve the cause of the fault as specified in the remedial measures section.
• Repair any damage to the machine.
• Replace damaged motors.
Table 8-1 Possible faults
Fault
Motor does not start
Motor starts up slowly
Humming noise when starting
Humming noise during operation
High temperature rise during no-load operation
High temperature rise when under load
Overheating of individual winding sections
Uneven running
Grinding sound, running noise
Radial vibrations
Axial vibrations
Water is leaking
90
WARNING
Cause of the fault (see following table)
A B D
A C D E
C D E
A C D E
D
A C
E
Operating Instructions, 03/2023, A5E49196960B AC
F G
F G
H J
K
1FW6 external rotor built-in torque motors
L
L M
N