Advertisement
2-100
2-100
3. 3.44
44 Ou
Outp tput ut Un
Error code: 68
Error code: 68
Situat
Sit
uation
ion
Displa
Dis
Possible
Possible
cause
cause
Emergency switch opened, faulty remote output unit, faulty main harness, faulty logic
Emergency switch opened, faulty remote output unit, faulty main harness, faulty logic unit.
Trigger of
Trigger of
Emergency switch is detected. ROM/RAM SUM value of output unit is different from check data.
Emergency switch is detected. ROM/RAM SUM value of output unit is different from check data.
the error
the error
Communication wit
Communication with output unit is impossible.
code
code
(Tilt Holizon Function) is incorrect.
(Tilt Holizon Function) is incorrect.
Checks
Checks
(1) Check emergency switch
(1) Check emergency switch
(3) Checks
(3) Checks
(5) Turn off power
(5) Turn off power
(7)
(7) Dis
Disconne
connect connec
voltage between E-10-20
voltage between
Confir
Co
nfirm va
m
value i
Normal
Normal
(8) Disconnect battery plug, then perform inverter
(8) Disconnect battery plug, then perform inverter
discharging work
discharging work
(10)
(10) Dis
Disconne
connect connec
Check continuity between E-02-5 and E-10-13(3)
Check continuity between E-02-5 and E-10-13(3)
Check continuity between E-02-6 and E-10-14(4)
Check continuity between E-02-6 and E-10-14(4)
Continuity
Continuity
(
(
1
1
4
4
)
)
R
R
e
e
p
p
l
l
a
a
c
c
e
e
Unit it Fa
Faul ult ( t (68
68) )
play: "6
y: "68".
8". All t
All truc
ruck ope
k operat
ration
ions inh
h output unit is impossible. SUO #43 (Hydraulic Contr
Not
Not
pushed
pushed
Without
Without
service
service
tool
tool
ct
connector E-10
tor E-10
of output
of output
unit
unit, then
, then
E-10-20(10) and
(10) and
E-10-19
E-10-19(12)
lue
is
s
14
14
±
±
2
2
V
V
Abnormal
Abnormal
ct
connector
tor
E-0
E-02
2
of logic unit
of logic unit
No
No
continuity
continuity
o
o
u
u
t
t
p
p
u
u
t
t
u
u
n
n
i
i
t
t
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
s inhibi
ibited
ted. Lin
. Line co
e conta
ntacto
ctor OP
r OPEN an
SUO #43 (Hydraulic Control Selection) is incorr
(2) Release emergency switch
(2) Release emergency switch
(4)
(4) C
Check
heck
Normal
Normal
(6) Disconnect battery plug, then replace output unit
(6) Disconnect battery plug, then replace output unit
Turn off power
Turn off power
Measure
Measur
e
(12)
(9) Disconnect battery plug, then perform inverter
(9) Disconnect battery plug, then perform inverter
discharging work
discharging work
(11)
(11) C
Check c
heck
Chec
Check continuity between
k continuity between
Continuity
Continuity
(12) Replace power supply
(12) Replace power supply
card of logic unit
card of logic unit
(
(
1
1
5
5
)
)
R
R
e
e
p
p
a
a
i
i
EN and pum
d pump co
p conta
ntacto
ctor OP
r OPEN.
EN.
unit.
ol Selection) is incorrect.
Pushed
Pushed
With
With
service
service
tool
tool
output unit status w
output unit status
with FC input
ith FC input
continuity between
ontinuity between
E-01-3
E-01-3
and
and
E-01-6
E-0
1-6
and
and
No
No
(13) Repair or replace
(13) Repair or replace
main
main
r
r
o
o
r
r
r
r
e
e
p
p
l
l
a
a
c
c
e
e
m
m
a
a
i
i
n
n
h
h
a
a
r
r
n
n
e
e
s
s
s
s
501152
501152
ect. SUO #50
SUO #50
/output
/output
monitor
monitor
Error
Error
E-10-20(10)
E-10-20
(10)
E-10-19(12)
E-1
0-19(12)
continuity
continuity
har
harnes
ness
s
Advertisement
