Siemens SINAMICS G150, Operating Manual

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Maintenance and Servicing 11/03
SINAMICS G150
11-4
Operating Manual
11.3.2 Replacing the Fan Fuses
The order numbers for replacing fan fuses that have blown can be found in the
spare parts list.
WARNING
Make sure that the cause of the fault is found before the fuse is replaced.
11.3.3 Replacing the Fuses for the Auxiliary Power Supply (-F11/-F12)
The order numbers for replacing auxiliary power supply fuses that have blown can
be found in the spare parts list in section 8of the documentation folder.
WARNING
You must carry out the following:
•
First disconnect the auxiliary power supply
•
Identify the cause of the fault
•
Then replace the fuse.
11.3.4 Replacing Fuse -F21
1. Open the cabinet
2. Remove the defective fuse
3. Fit the replacement fuse and close the fuse holder
4. Close the cabinet
The order numbers for replacing fuses that have blown can be found in the spare
parts list.
WARNING
You must carry out the following:
• First disconnect the auxiliary power supply
•
Identify the cause of the fault
•
Then replace the fuse.