Siemens SIPLUS HCS Series Operating Instructions Manual

Also see for SIPLUS HCS Series: Operating instructions

Contents

Servicing and maintenance12.3 Fuse replacementSIPLUS HCS4300 PROFINET/PROFIBUS DP154 Operating Instructions, 10/2019, A5E35452705A/005Position of fuses on the fuse boardThe example in the following figure shows the arrangement of the fuses for the POM4320.Figure 12-2 POM4320 position of fuses on the fuse boardThe assignment of the fuses is shown in the block diagram for the interconnection used. Thefuses are marked on the printed circuit board.Checking/replacing fusesNOTICEElectronic components are fitted to the rear of the board. When replacing fuses, ensure thatthese components are not damaged.1. Check for ruptured or defective fuses (refer to fault information in the section Faultreporting through diagnostics data (Page 146))2. Remove the defective fuse with a suitable tool (e.g. flat-nose pliers).3. Insert the new fuse in the fuse holder.