Fuse Locations - Komatsu WA250-6 Shop Manual

SEN03839-00

Fuse locations

Connection table of fuse box and slow blow fuse
a
This connection table indicates the devices to which the power of the fuse box and slow blow fuse is
supplied. (A switch power supply is a device which supplies power while the starting switch is in the ON
position and a constant power supply is a device which supplies power while the starting switch is in the
OFF and ON positions).
a
When carrying out troubleshooting related to the electrical system, you should check the fuse box and
slow blow fuse to see if the power is supplied normally.
Fuse box: FS1
Type of power supply (Power source)
Unswitched power supply
(Slow blow fuse [50 A])
Accessory power supply
(Slow blow fuse [80 A])
*: Optional devices are included.
Devices which are not set may be included.
8
40-100
Fuse No. Fuse capacity
1 20A
2 10 A
3 15 A
4 30 A
5 10 A
6 10 A
7 10 A
8 10 A
9 10 A
10 10 A
11 10 A
12 15 A
13 10 A
14 20 A
15 10 A
100 Failure code table and fuse locations
Destination of power (*)
Starting switch B
Hazard lamp
HST controller
Engine controller
Machine monitor
Tachograph
Buzzer
Radio
Auto-grease
Room lamp
Unswitched power supply for optional devices
Headlamp (left)
Headlamp (right)
Turn signal lamp
Stop lamp relay
Stop lamp switch
Stop lamp
VIS power supply holding relay
HST controller
Detent active relay
ECSS switch
Quick coupler
Boom kick-out relay
PPC solenoid
Bucket leveler relay
Proximity switch
Front/Rear wiper
Wiper timer
Window washer
Radio
Auto-grease
Cigarette lighter
Fuse locations
1
WA250, 250PZ-6