We performed a comprehensive diagnostic and repair service on a residential Generac standby generator in Spring, Texas. Our team addressed several system alarms, including overcrank and low fuel pressure warnings, to ensure the unit was fully operational. We also inspected the electrical transfer systems and control panels to verify seamless power transition during outages. The service involved testing battery voltage, checking coolant levels, and verifying gas pressure using a Magnehelic gauge. We replaced the oil filter and cleared maintenance reminders on the digital control interface after confirming all technical specifications were met. These repairs restored the 48kW unit to peak performance, providing the homeowner with reliable backup power.