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Operation
8.3 Faults
1FE1 synchronous built-in motors
Hardware Installation Manual, 12/2016, 610.43000.40b
133
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
Possible faults
Fault
Cause of fault (see key table)
Motor spindle does not start
A B E
Motor spindle starts slowly
A C E F
Rumbling noise during startup
C E F
Rumbling noise during operation
A C E F
Overheating during no-load opera-
tion
D G H I
Overheating with load
A C G H I
High temperature rise of individual
winding sections
E F
Uneven running
J K
Grinding sound, bearing noise
L
Radial vibrations
M N O
Axial vibrations
O
Water is escaping
P