Troubleshooting Chart - Campbell Hausfeld GN2560V Instrucciones De Operación

Operating Instructions

Troubleshooting Chart

Symptom
Alternator field is not energized
Low output voltage with no load
High output voltage with no load
Low output voltage under load
Erratic output voltage
Noisy operation
These diagnostic and repair procedures should be performed by an authorized service center.
Rotor
Possible Cause(s)
1. Engine speed is too slow
2. Open, shorted, or incorrect wiring
3. Faulty capacitor
4. Open or shorted field windings
5. Open diodes
1. Engine speed is too slow
2. Open diodes
3. Faulty capacitor
4. Open or shorted field windings
1. Faulty capacitor
2. Engine speed is too fast
1. Open diode
2. Engine speed too slow at full load
3. Excessive load applied
1. Unbalanced engine
2. Dirty, corroded, or loose wiring
connection
3. Unstable load applied
1. Loose generator or engine bolt
2. Short circuit in generator field or load
3. Faulty bearing
Stator
Ground
Main Winding
120V
1
2
Plug
3
4
Main Winding
120V
Excitation
Winding
GN2560V, GN2563V, GN3560V and GN3565V
Corrective Action
1. Adjust engine speed
2. Referring to the wiring diagram, clean
3. Replace capacitor
4. Test winding resistance, replace field
5. Test diodes, replace if necessary
1. Adjust engine speed
2. Test diodes, replace if necessary
3. Replace capacitor
4. Test winding resistance, replace field
1. Replace capacitor
2. Adjust engine speed
1. Test diodes, replace if necessary
2. Adjust engine speed
3. Reduce the applied load
1. Refer to engine manual
2. Referring to the wiring diagram, clean
3. Remove all loads, then apply each one
1. Tighten all mountings
2. Test winding resistance, replace field
3. Replace bearing
G
W
BK
BK
Circuit Breaker
W
Fig. 4 - Wiring Diagram for GN2560V and GN2563V
3
and reconnect all wiring
winding if necessary
winding if necessary
and reconnect all wiring
individually to determine which one is
causing erratic function
winding if necessary
Test load devices for shorts. Replace
defective load device.
120V Duplex Receptacle
NEMA 5-15R