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GENERATOR SYSTEM
TROUBLESHOOTING
WEAK OR NO AC CURRENT
Checking procedures
1. Overload indicator light
2. Power supply meter
3. Throttle control system
4. Wire harness
TIP
• Remove the following part(s) before troubleshooting.
1) Generator assembly
• Troubleshoot with the following special tool(s).
Model 88 Multimeter with tachometer:
YU-A1927
Digital circuit tester (CD732):
90890-03243
1. Overload indicator light
Checking steps
Check the overload indicator light comes on.
2. Power supply meter
Checking steps
Check the output indicator comes on.
3. Throttle control system
Checking steps
1. Operate the engine with no load.
2. Measure after warming up the engine.
3500 r/min / Economy control switch "I"/"
(ON)
4900 r/min / Economy control switch "
(OFF)
TROUBLESHOOTING
5. Main coil AC voltage
6. Main coil resistance
7. Sub coil AC voltage
8. Sub coil resistance
Comes on Refer to "OVERLOAD WARNING" on
page 2-30.
Does not comes on Proceed to step 2.
Comes on Proceed to step 3.
Does not comes on Replace the multi-function
LED meter.
Good Proceed to step 4.
"
Out of specification Refer to "CHECKING THE
THROTTLE CONTROL SYSTEM" on page 5-15.
"/"
"
6-1
Possible remedy
Possible remedy
Possible remedy
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