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Maintenance
9.5 Repair
3. Insert a new sponge and then push it up to the stop of the screw.
4. Reattach the leakage water detection.
9.5.8
Replacing fuses
To replace the -F11, -F12 or -F21 fuses, proceed as follows:
1. Disconnect the auxiliary power supply.
2. Remove the defective fuse.
3. Rectify the cause of the fault.
4. Fit the replacement fuse and close the fuse holder.
The order numbers for replacing fuses that have blown can be found in the spare parts list.
9.5.9
Replacing the current transformer
The current transformer may only be replaced by technicians trained by Siemens.
9.5.10
Door interlock system
Contact Technical Support (Page 181) if the door interlock system becomes defective.
172
Note
Insert the sponge
Make sure that the leakage water measurement is on the bottom pan. The distance between
sponge and bottom pan is then approx. 1 mm.
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
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