11-093
TROUBLESHOOTING
2-5-3. Machine moves neither forward nor backward 2/6
Parking brake switch must be released.
Foot brake switch must be ON (Brake pedal is not depressed).
Check whether exact meter multiple display shows any error code.
1) when display shows any error code
Reference Fig.: 2-5-1
Error code
Check point
Check/Cause
Action
E03
1. Connector
Check forward switch connector and traveling controller
connector terminal 19, working controller (C1) connector
terminal 10 for corrosion, breakage, bending and
looseness.
If any abnormality is found, connector is faulty.
•
•
Replace connector
or terminal.
2. Harness
(1) Measure resistance between forward switch connector
terminal NC wire Bw and traveling controller terminal
19 wire BW, working controller (C1) terminal 10 wire
BW.
Standard resistance : 10 Ω or less
(2) Measure resistance between forward switch connector
terminal COM wire wL and fuse box terminal 6 wire
WL.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
Repair or replace
harness.
3. Forward
Switch
(1) when starter switch is OFF and F-R lever is “N”, check
continuity between forward switch terminal COM and
terminal NC.
There is continuity in normal condition.
(2) when starter switch is OFF and F-R lever is “F”, check
continuity between forward switch terminal COM and
terminal NC.
There is no continuity in normal condition.
If above item (1) or (2) is NG, forward switch is faulty.
•
Replace forward
switch.
4. Traveling/
Working
Controller
If error code E03 is displayed and no abnormality is found
in connector, harness and F-R lever switch in above
inspection, traveling/working controller is faulty.
•
Replace traveling/
working controller.
5. Clearing
Error Code
and Judging
OK/NG after
Repair
①
when repair is complete, set starter switch to ON.
②
Exact meter will display E03.
③
Move F-R lever in “F”.
Exact meter display will change from E03 to vehicle
speed (0.0).
If display does not change to vehicle speed, check
above items again.
④
Return F-R lever to “N”.
Machine is in normal state.
•
•
•
Содержание SW880-1
Страница 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Страница 15: ...SAFETY ...
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Страница 25: ...SPECIFICATIONS ...
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Страница 39: ...ENGINE AND CONTROLS ...
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Страница 47: ...HYDRAULIC SYSTEMS ...
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Страница 83: ...ELECTRICAL SYSTEM ...
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Страница 125: ...VIBRATORY DRUM ...
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Страница 171: ...BRAKE ...
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Страница 175: ...OPERATOR STATION ...
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Страница 179: ...WATER SPRAY SYSTEM ...
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Страница 183: ...INSPECTION AND ADJUSTMENT ...
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Страница 209: ...TROUBLESHOOTING ...
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