Advertisement
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.10 0 Tra
3.1
Tracti
Error code: 16
Error code: 16
Situation
Situation
Possible
Possible
cause
cause
Trigger of
Trigger of
the error
the error
code
code
Checks
Checks
(1) Turn off power, then turn on power again
(1) Turn off power, then turn on power again
Confirm error code display
Confirm error code display
(2)
(2)
Check to see
Check to see
load or on steps when motor stalls
load or on steps when motor stalls
Normal
Normal
(4) Disconnect battery plug, then perform inverter
(4) Disconnect battery plug, then perform inverter
discharging work
discharging work
(6)
(6) D
Disconnect connec
isconnect
and remove DSP cover, then check DSP flat cable for
and remove DSP cover, then check DSP flat cable for
looseness or wire breakage
looseness or wire breakage
Power supply
Power supply
(7) Dis
(7)
Disconne
connect connec
Check continuity between E-01-5 and E-07-16(9)
Check continuity between E-01-5 and E-07-16(9)
Check continuity between E-01-6 and E-07-20(12)
Check continuity between E-01-6 and E-07-20(12)
(9) Dis
(9)
Disconne
connect connec
Check continuity between E-02-5 and E-07-3(3)
Check continuity between E-02-5 and E-07-3(3)
Check continuity between E-02-6 and E-07-4(4)
Check continuity between E-02-6 and E-07-4(4)
(10) Connect
(10) Connect connec
power again
power again
(12) Measure voltage between E-07-16(9) and
(12) Measure voltage between E-07-16(9) and
E-07-2
E-07-20(12) C
(13) Disconnect battery plug, then perform inverter discharging work
(13) Disconnect battery plug, then perform inverter discharging work
( 1
(
14
4
)
)
R
R
e
e
ction M
on Moto
otor R.
r R.H.,
H., Sta
Stall T
ll Time
Display: "16". Traction motor and pump motor oper
Display: "16".
Traction motor and pump motor operation inhibited. LINE contactor HOLD and ST contactor
HOLD
HOLD
Stall current flowed more than 7s right traction motor, faulty right
Stall current flowed more than 7s right traction motor, faulty right traction inverter current sensor, shorted
harness wiring, faulty right traction inverter DSP card, faulty logic unit.
harness wiring, faulty right traction inverter DSP card, faulty logic
7s is measured while stalling.
7s is measured while stalling.
No error, problem reoccurs
No error, problem reoccurs
if t
if
truck
ruck
is operated with heavy cargo
is operated with heavy cargo
steeps
steeps
Heavy
Heavy
connector E-07
tor E-07
of right traction inverter
of right traction inverter
Normal
Normal
Abnormal
Abnormal
ct
connector
tor
E-01
E-
01
of logic unit
of logic unit
Continuity
Continuity
No
No
CAN
CA
N
ct
connector
tor
E-02
E-
02
of logic unit
of logic unit
Continuity
Continuity
Abnorm
Abnormal
al
and
and
connector E-01
tor E-01
to logic unit,
to logic unit,
0(12)
Confirm value is 12 ±
onfirm value is 12 ±
Normal
Normal
Abnormal
Abnormal
p
p
l
l
a
a
c
c
e D
e
DS
S
P
P
c
c
a
a
r
r
d
d o
of r
f
ri
i
g
g
h
h
t
t t
tr
r
a
a
c
c
t i
t
io
o
n
n i
imer (1
r (16) 6)
ation inhibited. LINE contactor HOLD and ST contactor
(3) See troubleshooting for code "14"
(3) See troubleshooting for code "14"
load
load
(5) Operate under normal condition
(5) Operate under normal condition
(8) Secure harness if loose. Replace right traction
(8) Secure harness if loose. Replace right traction
inverter if wire breaks
inverter if wire breaks
continuity
continuity
no
no
continuity
continuity
then turn on
then turn on
(11) Repair or replace harness
(11) Repair or replace harness
1 V
1 V
in
n
v
v
e
e
r
r
t e
t
er
r
(
(
1
1
5
5
)
)
R
R
traction inverter current sensor, shorted
unit.
Error code "14"
Error code "14"
e
e
p
p
l
l
a
a
c
c
e
e p
po
o
w
w
e
e
r
r
s
s
u
u
p
p
p
p
l
l
y
y
c
c
a
a
r
r
d
d o
of l
f
lo
o
g
g
i
i
501135
501135
2-29
2-29
c
c
u
u
n
n
i
i
t
t
Advertisement
