User's Manual
Rev 30-2015 Page 13
Fuse replacement:
WTU-518 A Main board fuse access:
Before to change the out of service fuse, unplug the external battery from the WTU-518 A.
CAUTION
To access to the fuse placement, disconnect the connectors described below, and
then remove the electronic set from the lid:
Input Connector
Power / Ethernet
connector
Internal battery
connector
The WTU-518 A has one
fuse placed on the hot
point on the main board
of the WTU-518 A
Replace the out of service fuse
by a new fuse.
CAUTION
Use only this type of fuse:
Constructor: Littelfuse
Current rating: 4A
Constructor reference: 0460.004ER