Siemens SIPLUS HCS Series Operating Instructions Manual page 193

Proceed as follows:
Figure 12-2 Removing the fuse board
Steps
1
2
3
4
SIPLUS HCS4200 PROFINET/PROFIBUS DP
Operating Instructions, 07/2019, A5E35066204A/006
Loosen the two screws on the top and bottom of the fuse module
②
Unlatch retainer
③
Remove board
Place board on an ESD-compatible surface
Service and maintenance
12.3 Fuse replacement
①
191