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