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2-40
2-40
3. 3.15
15 Pu
Pump M
mp Mot otor O
Error code: 35
Error code: 35
Display: "35". All
Display: "35". 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 pump motor. (Contain the bearing sensor)
Faulty pump motor. (Contain the bearing sensor)
Faulty pump inverter.
Faulty pump inverter.
Possible
Possible
Faulty contact or wire breakage of DSP flat
Faulty contact or wire breakage of DSP flat cable in pump inverter.
cause
cause
Faulty DSP card of pump inverter.
Faulty DSP card of pump i
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 pump motor body and terminal for burning and small
(2) Check pump 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
(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
(10) Follow the pump inverter testing procedure
(10) Follow the pump inverter testing procedure
Normal
Normal
(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
Normal
(13) Replace DSP card of pump inverter
(13) Replace DSP card of pump inverter
All
All powe
power cables
(15) Perform inverter discharging work
(15) Perform inverter discharging work
(16) Replace
(16) Replace
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
or Ove
ver- r-cu
curr rren
ent (35
t (35) )
truck operations inhibited. Line contactor HOLD and ST contactor HOLD.
and pump motor operation
nverter.
Normal
Normal
.
.
h
h
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
o
o
r
r
r
r
m
m
a
a
l
l
A
A
b
b
n
n
o
o
r
r
(7) Secure cable if loose or
(7) Secure cable if loose or
connect cable correctly
connect cable correctly
Abnormal
Abnormal
Abnormal
Abnormal
r cables
conne
connect and turning on pow
ct and turning on
If fault (35) remains
If fault (35) remains
the DSP
the DSP c
card with the original card again
ard with the original card again
If fault (35) remains
If fault (35) remains
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
or operation inhibited. If this fault
inhibited. If this fault occurs before
cable in pump inverter.
(4) Replace pump motor
(4) Replace pump motor
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
m
m
a
a
l
l
Check the cables for shorting to the frame
Check the cables for shorting to the frame
N
N
o
o
t
t
(8 (8) R
)
Rep
eplac
lace pu
(12) Replace pump inverter
(12) Replace pump inverter
(14) Secure DSP flat cable if loose
(14) Secure DSP flat cable if loose
power
er
Replace pump inverter if wire breaks
Replace pump inverter if wire breaks
,
,
occurs before ST contactor CL
ST contactor CLOSE, all
Abnormal
Abnormal
s
s
h
h
o
o
r
r
t
t
i
i
n
n
g
g
s
s
h
h
o
o
e
pump inv
mp
inver erter
ter
(9)
(9)
Repla
Re
place p
ce
cables
cables
501137
501137
OSE, all
r
r
t
t
i
i
n
n
g
g
pump mo
ump
motor o
tor
or
r
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