11-077
TROUBLESHOOTING
2-5-1. Machine and engine suddenly stops 7/11
Starter motor runs for only 2 seconds when starter switch is turned to START.
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
E42
1. Connector
Check exact meter connector terminal 1, 2, 3, 7 and
traveling controller connector terminal 3, 4, 5, working
controller (C1) connector terminal 3, 4, working controller
(C2) connector terminal 9 for corrosion, breakage,
bending and looseness.
If any abnormality is found, connector is faulty.
•
•
Replace connector
or terminal.
2. Harness
Measure resistances between exact meter and traveling
controller terminal wires.
Exact meter terminal 1 wire GW and traveling controller
terminal 3 wire Gw, working controller (C1) terminal 3
wire GW
Exact meter terminal 2 wire B and traveling controller
terminal 4 wire B, working controller (C2) terminal 4
wire B
Exact meter terminal 3 wire B and traveling controller
terminal 5 wire B
Exact meter terminal 7 wire LgB and working controller
(C2) terminal 9 wire LgB
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
•
•
•
•
Replace harness.
3. Traveling
Controller
when starter switch is ON, measure voltage between
traveling controller power supply terminal 2 inlet wire WB
and ground terminal 1 outlet wire B.
Standard voltage : 12 V or more
If voltage is abnormal, traveling controller is faulty.
•
•
Replace traveling
controller.
4. CAN
Communication
A normally operating traveling controller sends connection
verification signals to exact meter every 0.1 second.
Exact meter cannot receive connection verification signals
that are regularly sent from traveling controller for 0.5
continuous second while operating.
Traveling controller is faulty.
•
•
Replace traveling
controller.
5. 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”.
Exact meter will display vehicle speed. Machine is in
normal state.
If display does not change to vehicle speed, check
above items again.
•
•
Summary of Contents for SW880-1
Page 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Page 15: ...SAFETY ...
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Page 25: ...SPECIFICATIONS ...
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Page 39: ...ENGINE AND CONTROLS ...
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Page 47: ...HYDRAULIC SYSTEMS ...
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Page 83: ...ELECTRICAL SYSTEM ...
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Page 125: ...VIBRATORY DRUM ...
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Page 171: ...BRAKE ...
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Page 175: ...OPERATOR STATION ...
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Page 179: ...WATER SPRAY SYSTEM ...
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Page 183: ...INSPECTION AND ADJUSTMENT ...
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Page 209: ...TROUBLESHOOTING ...
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