GLW-180H —TROUBLESHOOTING (GENERATOR)
Practically all generator breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the
diagnosis based on the Generator Troubleshooting (Table 8) information shown below and on the preceding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.
TABLE 8. GENERATOR TROUBLESHOOTING
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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Low voltage | Engine speed too low? | Raise engine speed to rated RPM. | |
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| AC voltmeter not working? | Replace AC voltmeter. | |
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| Control box internal wiring | Check control box wiring. | |
| malfunction? |
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| Defective ignition coil? | Check red and green ignition wires. Replace ignition wires if | |
Low voltage. Engine speed |
| necessary. | |
normal 3650 RPM (unloaded), |
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| |
Rotor winding malfunction? | Check or replace rotor. | ||
2500 RPM (idle) | |||
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| Stator winding malfunction? | Check or replace stator. | |
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| Breaker malfunction? | Check or replace CB1. | |
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| Full power switch malfunction? | Check full power switch and full power switch circuit. | |
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Voltage output too high. | Engine speed too high? | Lower engine speed to rated RPM. | |
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Voltage output too high. Engine | Control box internal wiring | Check control box wiring. | |
speed normal 3650 RPM | malfunction |
| |
(unloaded), 2500 RPM (idle) |
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Circuit breaker will not turn on | Defective circuit breaker? | Replace circuit breaker. | |
"NO LOAD" |
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Circuit breaker will turn on | Overload? | Reduce load or replace breaker. | |
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"LOADED" but trips immediately. | Load circuit is shorted? | Check load circuit for short. | |
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Does not accelerate from low to | Stuck solenoid? | Check solenoid. | |
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high "NO LOAD" | Bad Idle control switch? | Check or replace idle control switch. | |
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| Idle control switch malfunction? | Check or replace idle control switch. | |
Does not accelerate from low to |
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Idle control device malfunction? | Check or replace idle control device. | ||
high "LOAD ACTIVE" | |||
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| Control box interal wiring | Check control box wiring. | |
| defective? |
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