Operation Manual

Page 43 of 57
RD-OI-20 A/3
7.2 Maintenance
If any parts need to be replaced, check the product specifications to make sure it is consistent with the
specifications stated in the operation manual. For system performance and safety purposes, choose the
OEM accessories.
 Replace Fuse
Two fuses are installed inside of the power box. In order to prevent electrical accidents (such as an
overcurrent occurring in the AC input), stop using the power box immediately if the fuses break.
Table 15 Fuse specifications
Item
Description
Model
023502.5
Manufacturer
Littelfuse Inc.
Amp rating
2.5A
Voltage rating
250V
Note: Turn off the power box and unplug it from the power socket before replacing fuses. Fuses should
only be replaced by qualified engineers.
CareRay and, if necessary, users can replace fuses. To replace a fuse:
1. Locate the fuse holder with the symbol: F2.5AL250V. The fuse should be inside the fuse holder.
2. Remove the fuse from the fuse holder.
3. Using the fuse model and rating specified above, check the fuses and replace if necessary.
4. Place the fuse back into the fuse holder and reinstall securely in its receptacle.
Figure 41 Fuse holder
 Li-Polymer Battery
1) Do not attempt to disassemble, alter the battery.