Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

2. HARDWARE B–62755EN/012.10FUSE REPLACE-MENT IN POWERSUPPLY UNITWARNINGBefore replacing a blown fuse, it is necessary to remove thecause of the blown fuse. For this reason, only the personnelwho have a working knowledge of maintenance and safetyare allowed to carry out this work. When replacing a fusewith the cabinet open, be careful not to touch thehigh–voltage circuit section (marked and shielded witha shock hazard prevention cover). If you touch thehigh–voltage circuit section when it is uncovered, you willget an electric shock.Each fuse housing has a small window.If a fuse blows, a white marker appears in the window. The locations ofthe fuses are shown below. Also, the information on the fuses is listedbelow.Fuse F1FuseBattery caseBattery caseFuse F3Fuse F4Mounting positions of fuses in the powersupply unit AI or BIMounting positions of fuses in the powersupply unit C174