2-40
2-40
501137
501137
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.
3.15
15 Pu
Pump M
mp Mot
otor O
or Ove
ver-
r-cu
curr
rren
ent (35
t (35))
Error code: 35
Error code: 35
Situation
Situation
Display: "35". All
Display: "35". 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 pump motor. (Contain the bearing sensor)
Faulty pump motor. (Contain the bearing sensor)
Faulty pump inverter.
Faulty pump inverter.
Faulty contact or wire breakage of DSP flat
Faulty contact or wire breakage of DSP flat cable in pump inverter.
cable in pump inverter.
Faulty DSP card of pump i
Faulty DSP card of pump inverter.
nverter.
Faulty main harness.
Faulty main harness.
Trigger of
Trigger of
the error
the error
code
code
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).
Checks
Checks
(4) Replace pump motor
(4) Replace pump motor
(2) Check pump motor body and terminal for burning and small
(2) Check pump motor body and terminal for burning and small
Normal
Abnormal
Normal
Abnormal
(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
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
o
o
r
r
t
t
i
i
n
n
g
g
(6) Remove the all cables of motor and pump inverter
(6) Remove the all cables of motor and pump 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
s
s
h
h
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
o
o
r
r
t
t
i
i
n
n
g
g
(8
(8
) R
) R
ep
ep
lac
lac
e pu
e pu
mp inv
mp inv
er
er
ter
ter
(9)
(9)
Re
Re
pla
pla
ce p
ce p
ump mo
ump mo
tor o
tor o
r
r
cables
cables
(1) Disconnect battery plug, then perform inverter discharging work
(1) Disconnect battery plug, then perform inverter discharging work
(5) Confirm cable looseness and improper connections
(5) Confirm cable looseness and improper connections
(U V W phases) for pump inverter and motor
(U V W phases) for pump inverter and motor
N
N
o
o
r
r
m
m
a
a
l
l
A
A
b
b
n
n
o
o
r
r
m
m
a
a
l
l
(7) Secure cable if loose or
(7) Secure cable if loose or
connect cable correctly
connect cable correctly
(12) Replace pump inverter
(12) Replace pump inverter
(14) Secure DSP flat cable if loose
(14) Secure DSP flat cable if loose
Replace pump inverter if wire breaks
Replace pump inverter if wire breaks
(10) Follow the pump inverter testing procedure
(10) Follow the pump inverter testing procedure
Normal
Abnormal
Normal
Abnormal
(11) Remove DSP cover of pump inverter and check DSP
(11) Remove DSP cover of pump inverter and check DSP
flat cable for looseness or wire breakage
flat cable for looseness or wire breakage
Normal
Abnormal
Normal
Abnormal
(13) Replace DSP card of pump inverter
(13) Replace DSP card of pump inverter
All powe
All powe
r cables
r cables
conne
conne
ct and turning on pow
ct and turning on pow
er
er
If fault (35) remains
If fault (35) remains
(15) Perform inverter discharging work
(15) Perform inverter discharging work
(16) Replace
(16) Replace
the DSP c
the DSP c
ard with the original card again
ard with the original card again
,
,
then replace the pump inverter
then replace the pump inverter
Please keep the DSP card which is used for inspection
Please keep the DSP card which is used for inspection
at step (13) because the card is normal
at step (13) because the card is normal
If fault (35) remains
If fault (35) remains
Содержание FB13PNT
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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...
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