Generator Repair in Rancho Mirage, CA

Modern Generac, Kohler, and Cummins units log fault codes when something goes wrong — low oil pressure, high coolant temperature, overcrank, overvoltage. We read the diagnostic codes, identify the root cause, and repair the underlying issue rather than just clearing the code.

A dead or weak starting battery is the single most common reason a standby generator fails to start. Batteries degrade faster in Rancho Mirage’s heat and should be tested annually and replaced every 2–3 years as a precaution. We test, replace, and properly dispose of generator batteries.

The automatic transfer switch (ATS) is the control brain of your backup power system. A faulty ATS means the generator starts but power never transfers to your home. We test ATS operation under load, repair relay and contactor faults, and verify proper grid isolation.

Generator engines require regular oil changes — typically every 100–200 hours of operation or at least annually. Running old oil in Rancho Mirage’s heat accelerates engine wear. We perform oil changes with the correct viscosity and filter for your generator model.

For propane-fueled generators, we inspect regulators, fuel lines, and solenoid valves. For natural gas units, we verify gas pressure and line connections. Fuel delivery problems are a leading cause of generator startup failures and can be intermittent — making them difficult to catch without professional inspection.

Air-cooled generators rely on proper airflow and clean cooling fins. Liquid-cooled units require coolant inspection and periodic replacement. In Rancho Mirage’s extreme summer heat, an overheating generator will shut down under load — often at exactly the wrong moment.