Advertisement
2-26
2-26
3. 3.9 9
Tr Trac acti tion
Error code: 15
Error code: 15
Display: "15". All
Display: "15". All truck operations inhibited. Line contactor HOLD and ST contactor HOLD.
Situation
Situation
Traction motor
Traction motor and pump mot
operations inhibited except mast lowering operation.
operations inhibited except mast lowering operation.
Faulty traction motor. (Contain the bearing sensor)
Faulty traction motor. (Contain the
Faulty contact or wire breakage of traction motor speed sensor harness.
Faulty contact or wire breakage of traction motor speed sensor harness.
Possible
Possible
Faulty traction inverter.
Faulty traction inverter.
cause
cause
Faulty contact or wire breakage of DSP flat cable
Faulty contact or wire breakage of DSP flat cable in traction inverter.
Faulty DSP card of traction inverter.
Faulty DSP card of traction inverter.
Faulty main harness.
Faulty main harness.
Trigger of
Trigger of
the error
the error
Motor current is more than 1105 A (Moment) or 893 A (1 mS) or 829 A (1.6 mS).
Motor current is more than 1105 A (Moment) or 893 A (1 mS) or 829 A (1.6 mS).
code
code
Checks
Checks
(1) Disconnect battery plug, then perform inverter discharging work
(1) Disconnect battery plug, then perform inverter discharging work
(2) Check traction motor body and terminal for burning and small
(2) Check traction motor body and terminal for burning and small
(3) Check motor terminal (U V W phases) for shorting to
(3) Check motor terminal (U V W phases) for shorting to
the motor body and truck frame
the motor body and truck frame
N
N
o
o
t
t
s
s
h
h
(8) Confirm cable looseness and improper connections
(8) Confirm cable looseness and improper connections
(U V W phases) for traction inverter and motor
(U V W phases) for traction inverter and motor
N
N
o
o
(9) Disconnect battery plug, then perform inverter discharge
(9) Disconnect battery plug, then perform inverter discharge
work
work
Confirm connection of traction motor speed sensor
Confirm connection of traction motor speed sensor
connector
connector
Normal
Normal
on Mo
Moto tor R
r R.H .H., ., Ov
Over er-c -cur urre rent nt (1 (15) 5)
truck operations inhibited. Line contactor HOLD and ST contactor HOLD.
and pump motor operation
Normal
Normal
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
o
o
r
r
t
t
r
r
m
m
a
a
l
l
A
A
b
b
n
n
o
o
Abnormal
Abnormal
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
or operation inhibited.If this fault oc
inhibited.If this fault occurs before ST
bearing sensor)
in traction inverter.
(4) Replac
(4)
Replace t
i
i
n
n
g
g
(5) Remove the all cables of motor and traction inverter
(5) Remove the all cables of motor and traction inverter
terminals (P N U V W )
terminals (P N U V W )
Check motor terminals for shorting to the motor body
Check motor terminals for shorting to the motor body
Check the cables for shorting to the frame
Check the cables for shorting to the frame
N
N
o
o
t
t
(6) Replace traction
(6) Replace traction
inverter
inverter
r
r
m
m
a
a
l
l
(10) Secure cable if loose or connect cable correctly
(10) Secure cable if loose or connect cable correctly
(11) Connect connector securely
(11) Connect connector securely
curs before ST contactor CL
contactor CLOSE, all
Abnormal
Abnormal
e t
raction motor
raction motor
s
s
h
h
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
(7) Replace traction
(7) Replace traction
motor or cables
motor or cables
501135
501135
OSE, all
o
o
r
r
t
t
i
i
n
n
g
g
Advertisement
