9 - 18
Section C
Electrics
9803/6410
Section C
9 - 18
Issue 1
Fault Finding
Fault Diagnosis (continued)
Engine Problem, Problem No 12
Note:
Engine revolutions do not change with throttle volume control.
Prior Confirmation
Items
1
The message "Engine emergency stop" is not displayed.
Troubleshoot
Cause
Remedy
Replace
Controller defect or
controller
bad connection of
or clean
CN10 connector
CN10
connector
terminal.
Replace
Throttle volume
throttle
defect.
volume.
Breakage or
defective wiring
Repair
GrL, GrR, Gr between
of the
CN10 and throttle
GrL, GrR,
volume
Gr.
Replace
Controller defect
controller.
Breakage of GL
Repair
wiring
GL wiring
Replace
Driver defect
driver.
Change voltage moving
throttle volume with
self-check.
Is it within the range of
0~4.5V?
YES
YES
YES
NO
NO
NO
Without removing CN10
connector, change the
voltage between GrR +
and Gr - moving the
throttle volume.
Is it within the range of
0~4.5V?
Remove throttle volume
connector, measure
resistance between throttle
volume side connector GrR
and GrL. Is it within the
range of 0~1 ?
YES
NO
Remove controller CN4 and
driver CN15. Is GL wiring
continuous?
Check motor transmitted
pulse by self-check.
Is it within the range of
500~1023?
Remove throttle volume
connector, measure
resistance between throttle
volume side connector GrR
and Gr. Is it within the range
of 0~1 ?
Even though the
throttle motor is
moving.
YES
YES
NO
NO
Key switch
ON
Содержание JS130
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Страница 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
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Страница 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Страница 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Страница 145: ...5 6 Section C Electrics 9803 6410 Section C 5 6 Issue 1 Pump Control Cushioned Boom Starting continued Flow Chart...
Страница 148: ...5 9 Section C Electrics 9803 6410 Section C 5 9 Issue 1 Pump Control Pressure Increasing System continued Flow Chart...
Страница 155: ...5 16 Section C Electrics 9803 6410 Section C 5 16 Issue 1 Pump Control Power Supply Cut Delay Flow Chart...
Страница 159: ...5 20 Section C Electrics 9803 6410 Section C 5 20 Issue 1 Pump Control Swing brake Swing lock continued Flow Chart...
Страница 160: ...5 21 Section C Electrics 9803 6410 Section C 5 21 Issue 1 Pump Control Lever Lock Circuit Diagram Time Chart...
Страница 161: ...5 22 Section C Electrics 9803 6410 Section C 5 22 Issue 1 Pump Control Lever Lock continued Flow Chart...
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Страница 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Страница 211: ...Section E Section E Hydraulics 9803 6410 Issue 2 3 5 3 5 Schematics Pilot Control Line Hose Connection Diagram JS03540...
Страница 212: ...Section E Section E Hydraulics 9803 6410 Issue 1 3 6 3 6 Schematics Pilot Control Line Hose Connection Diagram JS03540...
Страница 234: ...14 1 Section E Hydraulics 9803 6410 Section E 14 1 Issue 1 JS00010 Hydraulic Pump Regulator Dismantling and Assembly...
Страница 278: ...32 2 Hydraulic Circuit Diagram Section E Hydraulics 9803 6410 Section E 32 2 Issue 1 Control Valve JS01700...
Страница 279: ...33 1 Neutral Circuit Section E Hydraulics 9803 6410 Section E 33 1 Issue 1 Control Valve JS01610...
Страница 284: ...33 6 Boom Raise BM Operation Section E Hydraulics 9803 6410 Section E 33 6 Issue 1 Control Valve L...
Страница 287: ...33 9 Slew Operation SW Priority Circuit Section E Hydraulics 9803 6410 Section E 33 9 Issue 1 Control Valve JS01770...
Страница 293: ...Hydraulics 9803 6410 Issue 1 34 3 34 3 Section E Section E Control Valve JS01820 Dismantling and Assembly cont d...
Страница 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...