Replacing The Fuses; Replacing The Fuses For The Auxiliary Power Supply - Siemens SINAMICS S120 Equipment Manual

Maintenance and servicing
6.4 Replacing components
6.4.11

Replacing the fuses

Replacement fuses
You can find the order numbers for replacing auxiliary power supply fuses that have blown in
the spare parts list.
When replacing fuses, you must take the following points into account:
1. Observe the "five safety rules".
2. Disconnect the cabinet from the power supply (do not forget the external power
3. Then rectify the cause of the fault.
4. Install a new fuse once the cause of the fault has been rectified.
6.4.11.1

Replacing the fuses for the auxiliary power supply

Replacement fuses
You can find the order numbers for replacing auxiliary power supply fuses that have blown in
the spare parts list.
When replacing fuses, you must take the following points into account:
1. Observe the "five safety rules".
2. Disconnect the cabinet from the power supply (do not forget the external power
3. Then rectify the cause of the fault.
4. Install a new fuse once the cause of the fault has been rectified.
298
WARNING
supplies).
WARNING
supplies).
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A