Komatsu PC130-7, Руководство по ремонту

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20-302
PC130-7
TROUBLESHOOTING
(1)
BEFORE CARRYING OUT TROUBLESHOOTING WHEN CODE IS
DISPLAYED
Error codes and possible causes of them
Error
code
Possible causes
Def
e
c
tiv
e bat
tery
relay
Def
e
c
tive
fu
s
e
or
f
u
sible link
Def
e
c
tive monit
o
r p
anel
Def
e
c
tive govern
o
r
and pum
p
con
troller
Def
e
c
tive
sens
or pow
er s
upply (
5
V
)
Def
e
c
tiv
e wiper motor
Def
e
c
tive windshield
w
a
sher mot
o
r
Def
e
c
tiv
e s
wing l
o
c
k
s
wit
c
h
Def
e
c
tive emer
gency pum
p
drive swit
ch
Def
e
c
tive f
uel cont
rol
dial
Def
e
c
tive govern
o
r
m
o
to
r
Def
e
c
tive govern
o
r
pot
ent
io
m
e
te
r
Def
e
c
tive
engine s
peed s
ensor
(including adjust
m
ent
)
Def
e
c
tive engine
c
oolant
t
e
m
perat
ure
s
ensor
Def
e
c
tive
air c
le
aner c
loggi
ng
swit
ch
Def
e
c
tive mec
hanical
s
yst
em of
engine
Def
e
c
tive
adjust
m
ent
of
gov
ernor
lever
Def
e
c
tive f
uel cont
rol
of
engine
O
v
erheat
in
g
of
engine
Cl
o
ggi
ng
of
air
cleaner
Def
e
c
tive PC-
EPC
solenoid
Def
e
c
tive LS-
EPC
solenoid
Def
e
c
tive swing holdi
ng brak
e
s
o
lenoid
Def
e
c
tive 2-st
age reli
e
f solenoid
v
a
lv
e
Def
e
c
tive
tr
avel s
peed s
h
if
ti
ng
solenoid
104
q q
108
q q
112
q q
113
q q
114
q q
115
q q
116
q q
203
q q
205
q q
206
q q
213
q q q
215
q q
216
q q
217
q
218
q q
222
q q
223
q q
226
q q q
224
q q
227
q q
232
q q q
233
q q q
251
q
301
q q
302
q q
306
q q q
308
q q q
315
q q
316
q q q q q q
317
q q
318
q q
BEFORE CARRYING OUT TROUBLESHOOTING WHEN CODE IS DISPLAYED