Operation
8.4 Faults
Synchronous/induction motors 1PH813
Operating Instructions, 04/2009, 610.48000.22
61
8.4 Faults
Note
Damage to the machine caused by faults
Correct the cause of the fault as specified in the remedial measures section. Repair any
damage to the machine/motor.
Note
When operating the motor with a converter, refer also to the operating instructions of the
frequency converter if electrical faults occur.
Table 8- 1 Possible faults
Fault Cause of fault (see key table)
Motor does not start up A B E
Motor starts up slowly A C E F
Rumbling noise during startup C E F
Rumbling noise during operation A C E F
Overheating during no-load
operation
D G H I
Overheating with load A C G H I
Overheating of individual
winding sections
E F
Uneven running J K
Grinding sound, running noise L
Radial vibrations M N O P R
Axial vibrations O Q R
Water is escaping S
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