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1-50
1-50
6. 6.6 6
Fa
Fail il-S -Saf afe e Re
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Immediate
Immediate
stop
stop
Normal stop
Normal stop
Failure
Failure
*1 *1
Emergency
Emergency
stop
stop
Steering
Steering
emergency
emergency
stop
stop
Correspond-
Correspond-
Partial
Partial
ing working
ing working
failure
failure
implement
implement
*1 *1
stop *2
stop *2
Driving
Driving
power
power
reduction
reduction
Pump power
Pump power
reduction
reduction
Degene
Degene
Waiting for
Waiting for
racy
racy
recovery to
recovery to
*1 *1
drive
drive
Waiting for
Waiting for
recovery to
recovery to
handle the
handle the
load
load
Rest stri rict ctio ion n Li List st
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Description
Description
r
r
t
t
s
s
e
e
R
R
Failure detected by initial power-up
Failure detected by initial
testing
testing
When a failure is detected, speed
When a failure is
detected, speed
command 0 is sent to traction and
command 0 is sent to traction and
pump inverters and the servo is
pump inverters and the servo is
turned off.
turned off.
Line and steering contactors are
Line and steering contactors are
turned off upon detection of a
turned off upon detection of a
failure.
failure.
Line and steering contactors are
Line and steering contactors are
turned off upon detection of a
turned off upon detection of a
failure.
failure.
Working implement where failure
Working implement where failure
detected is disabled. (Working
detected is disabled. (Working
implements without any problem
implements without any problem
can be operable.)
can be operable.)
Driving power is reduced.
Driving power is reduced.
Power for handling load is reduced.
Power for handling load is reduced.
The operator
The operator is not seated, or
is not seated, or
seated with the accelerator OFF and
seated with the accelerator OFF and
the travel direction placed in a
the travel direction placed in a
position other than the neutral.
position other than the neutral.
The operator is not seated, or
The operator
is not seated, or
seated and turned the power on
seated and turned the power on
when the control lever is not in the
when the control lever is not in the
neutral position.
neutral position.
Availability of operation:
Availability of operation:
z z
9 9
: Yes,
: Yes,
: No,
: No,
Contactor
Contactor
e
e
k
k
a
a
r
r
b
b
g
g
g
g
n
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k
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r
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L
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P
P
S
S
power-up
O O F F F F
O O F F F F
L L o o c c k k O O F F F F O O F F F F O O F F F F
O O N N
O O N N
A A u u t t o o O O F F F F O O F F F F
O O F F F F
O O F F F F
L L o o c c k k O O F F F F O O F F F F O O F F F F
O O F F F F
O O F F F F
L L o o c c k k O O F F F F O O F F F F O O F F F F
O O N N
O O N N
A A u u t t o o
O O N N
O O N N
A A u u t t o o
O O N N
O O N N
A A u u t t o o
O O N N
O O N N
A A u u t t o o O O F F F F
O O N N
O O N N
A A u u t t o o
CHAPTER 1 CONTROLLER
CHAPTER 1 CONTROLLER
s
s
: Partially operable
: Partially operable
Availability of
Availability of
Servo
Servo
operation
operation
e
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v
v
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a
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g
g
v
v
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k
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d
d
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v
v
v
v
r
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a
t
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e
e
r
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f
f
h
h
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D
D
D
D
t
t
L
L
d
d
S
S
a
a
o
o
L
L
9 9
O O N N
9 9
O O N N
O O N N
9 9
O O N N
9 9
O O N N
ON
ON
z z
O O N N
O O N N
O O N N
*3 *3
z z
O O N N
O O N N
O O N N
O O N N
z z
O O N N
O O N N
O O N N
O O N N
9 9
O O N N
O O N N
O O N N
z z
O O N N
O O F F F F
O O N N
O O N N
)
)
g
g
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r
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w
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l
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u
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c
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r
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x
x
e
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E
E
e
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t
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S
S
g
g
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h
h
d
d
a
a
o
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L
L
9 9
9 9
9 9
z z
9 9
9 9
9 9
9 9
z z
z z
z z
z z
z z
z z
z z
z z
9 9
z z
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