2-92
2-92
1
1
2
2
1
1
2
2
3
3
4
4
E-14
E-14
501135
501135
E-17
E-17
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.4
3.41
1 Tra
Tracti
ction I
on Inve
nverte
rter L
r L.H.
.H., F
, Faul
ault (6
t (64)
4)
Error code: 64
Error code: 64
Situation
Situation
Display: "64". All
Display: "64". All truck operations inhibited. Line contactor HOLD and ST contactor HOLD.
truck operations inhibited. Line contactor HOLD and ST contactor HOLD.
Traction motor
Traction motor and pump mot
and pump motor operation
or operation inhibited. If this fault
inhibited. If this fault occurs before
occurs before ST contactor CL
ST contactor CLOSE, all
OSE, all
operations inhibited except mast lowering operation.
operations inhibited except mast lowering operation.
Possible
Possible
cause
cause
Faulty main harness or connector E-06 comes off.
Faulty main harness or connector E-06 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.
Trigger of
Trigger of
the error
the error
code
code
Traction inverte
Traction inverter is connecte
r is connected as pump invert
d as pump inverter.
er.
(E-06-9 is connected to GND or
(E-06-9 is connected to GND or installed pump DSP card.)
installed pump DSP card.)
ROM SUM value of traction inverter is different from check data.
ROM SUM value of traction inverter is different from check data.
RAM of traction inverter is faulty.
RAM of traction inverter is faulty.
Communication between logic unit and traction
Communication between logic unit and traction inverter is impossible.
inverter is impossible.
Checks
Checks
(8) (Already disconnected E-01, E-02 and E-06)
(8) (Already disconnected E-01, E-02 and E-06)
Resistance between
Resistance between
E-02-5(3) and E-02-6(4)of harness side connectors
E-02-5(3) and E-02-6(4)of harness side connectors
60
60
±
±
5
5
%
%
O
O
t
t
h
h
e
e
r
r
t
t
h
h
a
a
n
n
6
6
0
0
± 5 %
± 5 %
(1) Disconnect battery plug, then perform inverter discharging work
(1) Disconnect battery plug, then perform inverter discharging work
(2) Remove DSP cover, then remove connector E-06
(2) Remove DSP cover, then remove connector E-06
Check the contact f
Check the contact f
ace both of connector E-06
ace both of connector E-06
on harness side
on harness side
and E-06 on inverter side
and E-06 on inverter side
Connect conne
Connect conne
ctor E-
ctor E-
06
06
and tuning on power
and tuning on power
If fault (64) remains
If fault (64) 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
Check
Check
no c
no c
ontinui
ontinui
ty between E
ty between E
-01-3
-01-3
and E
and E
-01-6
-01-6
Check
Check
no c
no c
ontinui
ontinui
ty between E
ty between E
-01-3
-01-3
and E
and E
-01-11
-01-11
Check
Check
no c
no c
ontinui
ontinui
ty between E
ty between E
-01-4
-01-4
and E
and E
-01-6
-01-6
Check
Check
no c
no c
ontinui
ontinui
ty between E
ty between E
-01-4
-01-4
and E
and E
-01-11
-01-11
N
N
o
o
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
(6) Repair or replace main harness
(6) Repair or replace main harness
(7) Dis
(7) Dis
conne
conne
ct connec
ct connec
tor E-02
tor E-02
of logic unit
of logic unit
(Already disconnected. E-06 and E01)
(Already disconnected. E-06 and E01)
Check
Check
continuit
continuit
y between
y between
E
E
-02-5
-02-5
and E-06-3(3)
and E-06-3(3)
Check continuity between E-02-6 and E-06-4(4)
Check continuity between E-02-6 and E-06-4(4)
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
N
N
o
o
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
(5) Dis
(5) Dis
conne
conne
ct connec
ct connec
tor E-06
tor E-06
and E-01 of logic unit
and E-01 of logic unit
Check continuity between E-01-4 and E-06-18(11)
Check continuity between E-01-4 and E-06-18(11)
Check continuity between E-01-6 and E-06-20(12)
Check continuity between E-01-6 and E-06-20(12)
Check continuity between E-01-3 and E-06-17(10)
Check continuity between E-01-3 and E-06-17(10)
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
N
N
o
o
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
14V, 8V
14V, 8V
pow
pow
er
er
su
su
pply
pply
CAN
CAN
(9) Repair or replace main harness
(9) Repair or replace main harness
Summary of Contents for FB13PNT
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