8
OPM-122
REV C
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE(S)
Low voltage
1. Generator operating below correct RPM
2. Generator overloaded
3. Defective stator
4. Defective rotor
Output voltage too high Engine speed too high
Generator overheating
1. Generator overloaded
2. Poor ventilation
No output voltage
1. Short in load
2. Broken or loose wire
3. Defective receptacles
4. Defective capacitor
5. Defective diodes
6. No residual magnetism in generator
7. Defective stator
8. Defective rotor
