2-102
2-102
501153
501153
Emetrgency SW
Emetrgency SW
(male)
(male)
(female)
(female)
6
6
5
5
4
4
1
1
0
0
9
9
8
8
4
5
6
7
4
5
6
7
8
8
9
9
1
1
0
0
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.
3.45
45 EP
EPS Co
S Cont
ntro
roll
ller F
er Fau
ault
lt (7
(71)
1)
Error code: 71
Error code: 71
Situation
Situation
Display: "71". All
Display: "71". All operations inhibited except mast lowering operation. Line steering contactor OPEN. Traveling
operations inhibited except mast lowering operation. Line steering contactor OPEN. Traveling
speed limited to 5 km/h.
speed limited to 5 km/h.
Possible
Possible
cause
cause
Faulty main harness or connector E-08 comes off.
Faulty main harness or connector E-08 comes off.
(Communicatio
(Communication between logic
n between logic unit and traction inverter.)
unit and traction inverter.)
Faulty logic unit.
Faulty logic unit.
Display fault.
Display fault.
PS Controller fault.
PS Controller fault.
Trigger of
Trigger of
the error
the error
code
code
ROM SUM value of pump inverter is different from check data.
ROM SUM value of pump inverter is different from check data.
RAM of pump inverter is faulty.
RAM of pump inverter is faulty.
Communication between logic unit and PS
Communication between logic unit and PS controller is impossible.
controller is impossible.
No life signal is inputted.
No life signal is inputted.
Checks
Checks
(1) Disconnect battery plug, then perform inverter discharging work
(1) Disconnect battery plug, then perform inverter discharging work
(6) Disconnect connector E-02 of logics Unit
(6) Disconnect connector E-02 of logics Unit
(Already disconnected E-01 and E-08)
(Already disconnected E-01 and E-08)
Chec
Chec
k continuity between E-02-5
k continuity between E-02-5
and E-08-21(3
and E-08-21(3
)
)
Chec
Chec
k continuity between E-02-6
k continuity between E-02-6
and E-08-30(4
and E-08-30(4
)
)
Continuity
Continuity
No
No
continuity
continuity
CA
CA
N
N
14V, 8V
14V, 8V
pow
pow
er
er
su
su
pply
pply
(5) Disc
(5) Disc
onnect connector E-08 and
onnect connector E-08 and
E-01 of logics U
E-01 of logics U
nit
nit
Chec
Chec
k continuity
k continuity
between
between
E-01-4
E-01-4
and E-08-1(11)
and E-08-1(11)
Chec
Chec
k continuity
k continuity
between
between
E-01-6
E-01-6
and E-08-25(12
and E-08-25(12
)
)
Chec
Chec
k continuity
k continuity
between
between
E-01-3
E-01-3
and E-08-18(10
and E-08-18(10
)
)
Continuity
Continuity
No
No
Continuity
Continuity
(2) Remove connector E-08
(2) Remove connector E-08
Check the contact
Check the contact
face bot
face bot
h of
h of
connector E
connector E
-08 on harness side and E-08 on inverter side
-08 on harness side and E-08 on inverter side
Connect connector E-08 and tuning on power
Connect connector E-08 and tuning on power
If fault (71) remains
If fault (71) remains
(3) Disconnect battery plug, then perform inverter discharging work
(3) Disconnect battery plug, then perform inverter discharging work
(4) Disconnect connector E-01
(4) Disconnect connector E-01
Chec
Chec
k
k
no con
no con
tinuity between E-01-3
tinuity between E-01-3
and E-01-6
and E-01-6
Check no
Check no
continuit
continuit
y between
y between
E-01-3
E-01-3
and E-01-11
and E-01-11
Chec
Chec
k
k
no con
no con
tinuity between E-01-4
tinuity between E-01-4
and E-01-6
and E-01-6
Check no
Check no
continuit
continuit
y between
y between
E-01-4
E-01-4
and E-01-11
and E-01-11
No
No
Continui
Continui
ty
ty
Continui
Continui
ty
ty
Содержание FB13PNT
Страница 2: ......
Страница 12: ......
Страница 86: ...1 73 1 73 Fig 5 Fig 5 500969 500969...
Страница 264: ...4 13 4 13...
Страница 265: ...CHAPTER 5 CIRCUIT DIAGRAM CHAPTER 5 CIRCUIT DIAGRAM Ch Chap apte ter 5 r 5 C CIR IRCU CUI IT DI T DIA AGR GRAM AM...
Страница 266: ...5 1 5 1...
Страница 267: ...5 2 5 2...
Страница 268: ...5 3 5 3...
Страница 269: ...5 4 5 4...
Страница 270: ...5 5 5 5...
Страница 271: ...5 6 5 6...
Страница 272: ...5 7 5 7...
Страница 273: ...5 8 5 8...
Страница 274: ...5 9 5 9...
Страница 275: ...5 10 5 10...
Страница 276: ...5 11 5 11...
Страница 277: ...5 12 5 12...
Страница 278: ...5 13 5 13...
Страница 279: ...5 14 5 14...
Страница 280: ...5 15 5 15...
Страница 281: ...5 16 5 16...
Страница 282: ...5 17 5 17...
Страница 283: ...5 18 5 18...
Страница 284: ...5 19 5 19...
Страница 285: ...5 20 5 20...
Страница 286: ...5 21 5 21...
Страница 287: ...5 22 5 22...
Страница 288: ...5 23 5 23...
Страница 289: ...5 24 5 24...
Страница 290: ...5 25 5 25...
Страница 292: ...9 9 9 9 7 7 5 5 9 9 5 5 M M 3 3 0 0 0 0 P P N N F F o o r r k k l l i i f f t t T T r r u u c c k k s s...