Komatsu PC200-8M0, Shop Manual

Page: 501 / 1254

Fuse locations SEN06131-00
PC200, 200LC, 220, 220LC-8M0 40-100
9
100 Failure code table and fuse locations
Fuse locations 1
Connection table of fuse box
a
This connection table shows the devices to which power supply from each fuse of the fuse box supplies
power (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 fuses and fus-
ible links to see if the power is supplied normally.
Type of
power
supply
Fusible link Fuse No.
Fuse
capacity
Destination of power
Switch power
supply
F04
(60 A)
1 10 A
Lamp relay, rear lamp relay, cab lamp relay
PC-EPC (F) solenoid valve, PC-EPC (R) solenoid valve
[When pump drive switch is operated in emergency]
Swing holding brake solenoid valve
[When swing holding brake release switch is operated]
2 30 A Pump controller (Solenoid power supply)
3 10 A
PPC oil pressure lock solenoid valve
Starting motor cut-out relay (PPC lock)
Starting motor cut-out relay (Personal code)
4 10 A
Cigarette lighter
Windshield washer motor
5 10 A Horn relay, horn
Switch power
supply
F04
(60 A)
6 10 A Electrical intake air heater relay
7 10 A Rotary lamp
8 20 A Right headlamp, working lamp (boom), working lamp (rear)
9 10 A
Radio
Left knob switch (pump controller input)
10 5 A Air conditioner controller supply
Switch power
supply
F04
(60 A)
11 20 A
Air conditioner unit
Air conditioner compressor electromagnetic clutch
12 10 A (Spare)
13 10 A Headlamp
14 10 A Optional power supply (1)
15 10 A Optional power supply (2)
Constant
power supply
F05
(30 A)
16 10 A
Radio (backup power supply)
Room lamp
17 20 A
Starting switch
Machine monitor
Pump controller
18 5A Air conditioner controller backup
19 30 A Engine controller
Switch power
supply
Starting switch
ACC
20 5 A Engine controller (ACC signal)