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4bnormality in pump controller power source system
Short circuit in front pump NC solenoid system
Short circuit in rear pumpTVC solenoid system
Disconnection in front pump n/C solenoid system
Disconnection in rear pump TVC solenoid system
Short circuit in swing brake solenoid system
Disconnection in swing brake solenoid system
short circuit in LS select solenoid system
Short circuit in pump merge-divider solenoid system
Short circuit in 2-stage relief solenoid system
Short circuit in travel speed solenoid system
y
Disconnection in LS select solenoid system
i
;
Disconnection in pump merge-divider solenoid system 5
Disconnection in 2-stage relief solenoid system
:
6
Disconnection in travel speed solenoid system
t
6
“z
Model selection input error
Network response overtime error
Short circuit in LS control EPC solenoid system
Disconnection in LS control EPC solenoid system
Abnormality in front pump pressure sensor system
Abnormality in rear pump pressure sensor system
Abnormality in pressure sensor power source system
Abnormality in engine speed sensor system
Abnormality in auto-deceleration output system
Swing (Bit No.
! 1
Travel
(Bit No. 2
)
0
Boom LOWER
Boom RAISE
Arm IN
Arm OUT
(Bit No. 5)
(Bit No. 4)
(Bit No.‘3
)
Model code
Engine speed input
Front pump discharge pressure input signal
Rear pump discharge pressure input signal
Front pump TVC output signal
Rear pump TVC output signal
LS control EPC signal
No. 2 throttle signal
Kerosene mode signal
(Bit No. 5
)
0
I i i
rG
w
P
ol
m
L.H.Knob switch signal
(Bit No. 6
)
LS select (Bit No. 2
)
D
0,
Swing brake (Bit No.
3 )
E
8
2
Pump merge-divider (Bit No.
4‘ )
0,
2-stage relief (Bit No. 6
)
g
T
Travel speed
(Bit No.5
)
a
a
102°C or above
105°C or above
Is red range displayed?
%!E
q
i
ii
z
Vlonitoring code Is voltage for coolant temperature normal?
I
Troubleshooting code if no service code is displayed
I
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