UEN00242-01 40 Troubleshooting
30 PC210, 230, 240-8
Failure code [DW43KA] Travel Speed Sol Discon 1
User code Failure code
Trouble
Travel speed solenoid system disconnection
(Pump controller system)
— DW43KA
Contents of
trouble
• When output to travel speed shifting solenoid was turned ON, disconnection was detected in circuit.
Action of
controller
• None in particular. (Since no current flows, solenoid does not operate.)
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• PC210: Speed is low at High travel speed position (Machine monitor is set to High but actual speed
is about Middle).
• PC240: Speed is low at High and Middle travel speed position (Machine monitor is set to High or
Middle but actual speed is about Low).
Related infor-
mation
• Operating condition of travel speed shifting solenoid can be checked with monitoring function.
(Code: 02300: Solenoid 1)
• Method of reproducing failure code: Start engine + Set travel speed to High + Operate travel lever.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Defective travel speed shift-
ing solenoid (Internal discon-
nection)
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
V04 (male) Resistance
Between (1) – (2) 20 – 60 z
2
Disconnection in wiring har-
ness (Disconnection in wiring
or defective contact in con-
nector)
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
Wiring harness between C02 (female) (87) –
V04 (female) (1)
Resis-
tance
Max. 1 z
Wiring harness between C02 (female) (115),
(117), (120) – V04 (female) (2)
Resis-
tance
Max. 1 z
3 Defective pump controller
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
C01 (female) Resistance
Between (87) – (115), (117),
(120)
20 – 60 z
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