The answer to 'how to fix generator installation' is to first ensure the generator is properly installed and connected to the home's electrical system. This involves checking the wiring, grounding, and fuel supply to make sure everything is set up correctly and safely. You'll also want to test the generator to make sure it's functioning properly and able to power your home when needed.
If you're not comfortable working with electrical systems or don't have the right tools and expertise, it's best to call in a licensed electrician to handle the generator installation and any necessary repairs. They can ensure the job is done to code and that your generator will reliably power your home in an emergency.