Sakai SW880-1, Shop Manual

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11-159
TROUBLESHOOTING
2-7-1. Exact meter indicator lamp does not illuminate while driving 7/9
Exact meter indicator lamp illuminates only while vibration is activated.
Set engine throttle switch to “FULL”.
Check whether exact meter multiple display shows any error code.
1) when display shows any error code
Reference Fig. : 2-6-1
Error code Check point Check/Cause Action
E22
5. Traveling
Controller
(1) when starter switch is ON, measure voltage between
traveling controller power supply terminal 2 inlet wire
WB and ground terminal 1 wire B.
Standard voltage : 12 V or more
(2) when starter switch is ON and IPF select switch is “10”,
measure voltage between traveling controller terminal
37 inlet wire GW and terminal 1 wire B.
Standard voltage : 12 V or more
(3) when starter switch is ON and IPF select switch is “11”,
measure voltage between traveling controller terminal
38 inlet wire LW and terminal 1 wire B.
Standard voltage : 12 V or more
(4) when starter switch is ON and IPF select switch is “12”,
measure voltage between traveling controller terminal
39 inlet wire BrW and terminal 1 wire B.
Standard voltage : 12 V or more
(5) when starter switch is ON and IPF select switch is “13”,
measure voltage between traveling controller terminal
37 inlet wire GW, terminal 38 inlet wire LW and terminal
1 wire B.
Standard voltage : 12 V or more
(6) when starter switch is ON and IPF select switch is “14”,
measure voltage between traveling controller terminal
38 inlet wire LW, terminal 39 inlet wire BrW and terminal
1 wire B.
Standard voltage : 12 V or more
(7) when starter switch is ON and IPF select switch is “15”,
measure voltage between traveling controller terminal
37 inlet wire GW, terminal 39 inlet wire BrW and
terminal 1 wire B.
Standard voltage : 12 V or more
If all of items (1) through (7) are OK, traveling controller is
faulty.
•
Replace traveling
controller.
6. Clearing
Error Code
and Judging
OK/NG after
Repair
①
when repair is complete, set starter switch to ON.
②
Exact meter will display vehicle speed.
③
Check all positions of IPF select switch.
Exact meter will still display vehicle speed. Machine is
in normal state.
If display changes form vehicle speed to E22, check
above items again.
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•
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