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8.3
Faults
Note
Correct the cause of the fault as specified in the remedial measures section.
Repair any damage to the machine / motor spindle.
Note
When operating the motor spindle with a converter, refer also to the Operating Instructions of
the frequency converter if electrical faults occur.
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.
Even in test operation, never disable protective functions or devices.
Table 8- 1
Motor spindle does not start
Motor spindle starts slowly
Rumbling noise during startup
Rumbling noise during operation
Overheating during no-load opera-
tion
Overheating with load
High temperature rise of individual
winding sections
Uneven running
Grinding sound, bearing noise
Radial vibrations
Axial vibrations
Water is escaping
1FE1 synchronous built-in motors
Hardware Installation Manual, 12/2016, 610.43000.40b
Possible faults
Fault
A B
A
A
A
Cause of fault (see key table)
E
C
E F
C
E F
C
E F
D
G H
I
C
G H
I
E F
J K
Operation
8.3 Faults
L
M N O
O
P
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