Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Hello, my name is Hank.
What are the brand, model and serial numbers of the genset?
At the voltage regulator, disconnect the 3-pin plug.
Start the genset, and measure the AC output at one of the 120V receptacles.
How much voltage do you get?
With the genset still running, masure the frequency of the AC output.
What frequency reading do you get?
Have you checked the voltage and frequency yet?