8.11
faults
8.11.1
Inspections in the event of faults
Natural disasters or unusual operating conditions, such as overloading or short circuit, are
faults that overload the machine electrically or mechanically.
Immediately perform an inspection after such faults.
Correct the cause of the fault as described in the respective remedial measures section. Repair
any damage to the machine.
8.11.2
Electrical faults
Note
If you are operating the motor with a converter, the operating instructions of the converter must
also be observed if electrical faults occur.
Table 8-2
Electrical faults
↓ Motor fails to start
↓ Motor accelerates sluggishly
↓ Rumbling noise during startup
↓ Rumbling noise during operation
↓ High temperature rise during no-load operation
↓ High temperature rise with load
↓ High temperature rise of individual winding sections
Possible causes of faults
Remedial measures
X
X
X
X
Overload
Reduce the load.
X
Interrupted phase in the supply cable
Check the switches and cables.
X
X
X
X
Interrupted phase in the feeder cable af‐
ter switching on
Check the switches and cables.
X
Mains voltage too low, frequency too high Check the power supply conditions.
X
Mains voltage too high, frequency too low Check the power supply conditions.
X
X
X
X
X Stator winding incorrectly connected
Check the winding connection in the terminal box.
X
X
X
X Winding short circuit or phase short cir‐
cuit in stator winding
Determine the winding resistances and insulation
resistances. Carry out repair work after consulta‐
tion with the manufacturer.
X
Incorrect direction of rotation
Check the connection.
Operation
8.11 faults
LOHER CHEMSTAR 1PS2
Operating Instructions 08/2016
81
Содержание LOHER CHEMSTAR 1PS2
Страница 2: ...04 08 2016 11 45 V3 00 ...
Страница 12: ...Introduction 1 1 About these instructions LOHER CHEMSTAR 1PS2 12 Operating Instructions 08 2016 ...
Страница 38: ...Preparations for use 4 13 Transport and storage LOHER CHEMSTAR 1PS2 38 Operating Instructions 08 2016 ...
Страница 64: ...Electrical connection 6 2 Connecting LOHER CHEMSTAR 1PS2 64 Operating Instructions 08 2016 ...
Страница 74: ...Start up 7 8 Test run LOHER CHEMSTAR 1PS2 74 Operating Instructions 08 2016 ...
Страница 84: ...Operation 8 11 faults LOHER CHEMSTAR 1PS2 84 Operating Instructions 08 2016 ...
Страница 102: ...Maintenance 9 2 Corrective Maintenance LOHER CHEMSTAR 1PS2 102 Operating Instructions 08 2016 ...
Страница 118: ...Service and Support LOHER CHEMSTAR 1PS2 118 Operating Instructions 08 2016 ...
Страница 120: ...Technical data and drawings LOHER CHEMSTAR 1PS2 120 Operating Instructions 08 2016 ...
Страница 121: ...Quality documents C C 1 EC Declaration of Conformity LOHER CHEMSTAR 1PS2 Operating Instructions 08 2016 121 ...
Страница 122: ...Quality documents C 1 EC Declaration of Conformity LOHER CHEMSTAR 1PS2 122 Operating Instructions 08 2016 ...
Страница 138: ...Quality documents C 2 IECEx certificate LOHER CHEMSTAR 1PS2 138 Operating Instructions 08 2016 ...
Страница 142: ...Index LOHER CHEMSTAR 1PS2 142 Operating Instructions 08 2016 ...
Страница 143: ...AD EC Declaration of Conformity U161 ...
Страница 144: ...Siemens AG Process Industries and Drives Postfach 48 48 90026 NÜRNBERG GERMANY www siemens com drives ...