11-119
TROUBLESHOOTING
2-5-5. Auto speed function does not work 8/9
Parking brake switch must be released.
Foot brake switch must be ON (Brake pedal is not depressed).
Set speed change switch to “
”.
(Automatic speed function is disabled when speed change switch is “
”.)
Check that speed can be changed by speed change switch between operation speed (“
”) and traveling
speed (“
”).
Set throttle switch to “FULL”.
(Automatic speed function is disabled when throttle switch is in any other position than “FULL”.)
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
E41
1. Connector
Check engine ECM connector terminal 17, 18 and
traveling controller terminal 6, 7 for corrosion, breakage,
bending and looseness.
If any abnormality is found, connector is faulty.
•
•
Replace connector
or terminal.
2. Harness
Measure resistances between engine ECM and traveling
controller terminal wires.
Engine ECM terminal 17 wire RB and traveling controller
terminal 6 wire RB
Engine ECM terminal 18 wire RY and traveling controller
terminal 7 wire RY
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
(NOTICE)
Since shielded twist wires are used for traveling
controller terminal harness, repair is not approved.
Be sure to replace them.
•
•
•
•
•
Replace harness.
3. CAN
Communication
Faulty CAN communication.
(NOTICE)
Check if any CAN-related blink code for engine is
issued. If no blink code is issued, traveling controller
is faulty.
•
•
Replace traveling
controller.
4. Clearing
Error Code
and Judging
OK/NG after
Repair
①
when repair is complete, set starter switch to ON.
②
Place F-R lever “N”.
③
Exact meter will display vehicle speed. Machine is in
normal state.
If display does not change to vehicle speed, check
above items again.
•
•
•
•
•
•
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 183: ...INSPECTION AND ADJUSTMENT ...
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Страница 209: ...TROUBLESHOOTING ...
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