Replacement Part List

Generator Troubleshooting
18
PROBLEM SOLUTION
No output from generator’s AC receptacle.
• Engine speed too slow. • Adjust engine speed. Requires qualified technician.
• Open or shorted wiring. • Clean and reconnect all wiring.
• Faulty capacitor. • Replace capacitor.
• Open/shorted rotor or stator windings. • Replace stator windings.
• Open rectifier. • Test rectifier and replace if required.
Low output voltage with no load.
• Engine speed is too slow. • Adjust engine speed. Requires qualified technician.
• Open rectifier. • Test rectifier and replace if required.
• Faulty capacitor. • Replace capacitor.
• Open/shorted rotor or stator windings. • Replace stator windings.
• Alternator not magnetized. • Re-magnetize the alternator.
High output voltage with no load.
• Faulty capacitor. • Replace capacitor.
• Engine speed is too fast • Adjust engine speed. Requires qualified technician.
Low output voltage under load.
• Open rectifier. • Test rectifier and replace if required.
• Engine speed is too low at full load. • Adjust engine speed. Requires qualified technician.
• Excessive load applied. • Reduce the applied load.
• Engine speed is too fast • Adjust engine speed. Requires qualified technician.
Erratic output voltage.
• Dirty, corroded, or loose wiring. • Clean and reconnect all wiring.
• Unbalanced load applied. • Remove all loads, then apply each individually to determine
which load is causing the erratic output. Do not reconnect
the faulty tool or appliance.
Noisy operation.
• Loose generator or engine bolt. • Tighten all mountings.
• Short circuit in generator field or load. • Test winding resistance, replace field winding if required, test
load devices for shorts, replace defective load device(s).
• Faulty bearing. • Replace bearing.