User's Manual

Wireless Service Manual
Page 33 of 124 RA14-11A-022
2.3.4 Fuse
Two fuses are installed inside of SCU to prevent electrical accidents due to an error such as overcurrent
occurred in the AC Input. Stop immediately using SCU when fuses break.
Item Description
Model
Littlefuse
®
218002 (2 EA)
Type Time Lag Cartridge Fuse
Amp Rating 2 A
Voltage Rating 250 V
Replacing Fuses
 Turn off SCU and its peripheral equipment, and pull the plug out of the power socket
before replacing fuses.
 When fuses break, resolve the cause of overcurrent first, and then replace the fuses
with extra fuses (optional items, one set of two) or equivalent rating fuses.
 User must not contact a fuse holder with a patient simultaneously during operating
the equipment and not allow patient to touch the fuse holder.
1. Pull the fuse holder out from its receptacle under AC Input on the back panel of SCU.
2. Check the fuse(s) and replace it if necessary, using the fuse type and rating specified above.
3. Push the fuse holder back.