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.
•
•
•
Summary of Contents for SW880-1
Page 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
Page 2: ......
Page 4: ......
Page 14: ......
Page 15: ...SAFETY ...
Page 16: ......
Page 24: ......
Page 25: ...SPECIFICATIONS ...
Page 26: ......
Page 27: ......
Page 31: ......
Page 39: ...ENGINE AND CONTROLS ...
Page 40: ......
Page 46: ......
Page 47: ...HYDRAULIC SYSTEMS ...
Page 48: ......
Page 49: ......
Page 52: ......
Page 54: ......
Page 56: ......
Page 58: ......
Page 59: ......
Page 68: ......
Page 70: ......
Page 72: ......
Page 76: ......
Page 78: ......
Page 82: ......
Page 83: ...ELECTRICAL SYSTEM ...
Page 84: ......
Page 88: ......
Page 90: ......
Page 92: ......
Page 94: ......
Page 125: ...VIBRATORY DRUM ...
Page 126: ......
Page 136: ......
Page 171: ...BRAKE ...
Page 172: ......
Page 175: ...OPERATOR STATION ...
Page 176: ......
Page 179: ...WATER SPRAY SYSTEM ...
Page 180: ......
Page 182: ......
Page 183: ...INSPECTION AND ADJUSTMENT ...
Page 184: ......
Page 209: ...TROUBLESHOOTING ...
Page 210: ......
Page 427: ......