11
GPP ELECTROFISHER
www.smith-root.com
BASIC TROUBLESHOOTING
PROBLEM
SOLUTIONS
Generator does not generate
electricity
1. Check output voltage of generator at 12 VAC terminals
with lamp or meter.
2. Be sure the load is not too large; reduce if necessary.
3. Check for short circuit in line using an ohmmeter.
4. Test diodes with ohmmeter to see if they are shorted or
open.
5. Check stator winding or field winding for shorts.
6. Flash generator.
Generator voltage too high*
1. Refer to engine manufacturer’s manual,
2. Check engine speed with tachometer.
Generator Voltage too low*
1. Refer to engine manufacturer’s manual,
2. Check engine speed with tachometer.
3. Be sure the load is not too large; reduce if necessary.
4. Check for short circuit in line using an ohmmeter.
5. Test diodes with ohmmeter to see if they are shorted or
open.
6. Check stator winding and field winding for shorts,
between windings or to the generator frame.
Generator overheats
1. Check output voltage of generator.
2. Be sure the load is not too large; reduce if necessary.
3. Check for short circuit in line using an ohmmeter.
4. Be sure generator is located properly.
Generator brushes sparking
Check stator winding or field winding for shorts.
*Check after generator is sufficiently warmed up: 15 to 20 minutes.
WARNING:
Always remove the engine ignition cable before checking or
repairing the power supply to prevent it from accidentally starting.
BASIC TROUBLESHOOTING
