Siemens SINAMICS SM150 - Replace the Sponge for the Leak Detector

9.7.10 Replace the sponge for the leak detector
Principle of operation
If the sponge is dry (hard), the switch is closed.
If there is water in the drive, the sponge becomes soft and the switch opens.
① Sponge hard, switch is closed
② Sponge soft, switch is opened
Figure 9-27 Sponge
Maintenance
9.7 Repairs
SINAMICS SM150 6SL3845-7NN46-7AA0
186 Operating Instructions 04/2017