[{"@context":"https:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/www.corbinelectric.com\/increasingly-poor-performace-and-failure-due-to-lack-of-generator-maintenance\/#BlogPosting","mainEntityOfPage":"https:\/\/www.corbinelectric.com\/increasingly-poor-performace-and-failure-due-to-lack-of-generator-maintenance\/","headline":"Common Generator Failure Causes and How Maintenance Helps","name":"Common Generator Failure Causes and How Maintenance Helps","description":"Standby generators are life savers in emergencies. Their main purpose is to supply secondary power\u2026","datePublished":"2026-10-21","dateModified":"2026-10-21","author":{"@type":"Person","@id":"https:\/\/www.corbinelectric.com\/author\/corbinelectricalservice\/#Person","name":"corbinelectricalservice","url":"https:\/\/www.corbinelectric.com\/author\/corbinelectricalservice\/","identifier":2,"image":{"@type":"ImageObject","@id":"https:\/\/www.corbinelectric.com\/wp-content\/litespeed\/avatar\/a3a6a0f69e15af09095df580f024a0d3.jpg?ver=1793170796","url":"https:\/\/www.corbinelectric.com\/wp-content\/litespeed\/avatar\/a3a6a0f69e15af09095df580f024a0d3.jpg?ver=1793170796","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Corbin Electrical Services","logo":{"@type":"ImageObject","@id":"https:\/\/www.corbinelectric.com\/wp-content\/uploads\/2024\/04\/cropped-Corbin_Logo.png","url":"https:\/\/www.corbinelectric.com\/wp-content\/uploads\/2024\/04\/cropped-Corbin_Logo.png","width":300,"height":184}},"image":{"@type":"ImageObject","@id":"https:\/\/www.corbinelectric.com\/wp-content\/uploads\/2024\/04\/residential-standby-generator-on-concrete-slab-located-outside-of-home-300x200-1.jpg","url":"https:\/\/www.corbinelectric.com\/wp-content\/uploads\/2024\/04\/residential-standby-generator-on-concrete-slab-located-outside-of-home-300x200-1.jpg","height":"233","width":"350"},"url":"https:\/\/www.corbinelectric.com\/increasingly-poor-performace-and-failure-due-to-lack-of-generator-maintenance\/","about":["blog"],"wordCount":846,"articleBody":"Your standby generator is a lifesaver in emergencies. If a generator problem goes undetected, you could find yourself without electricity when you need it most. It\u2019s easy to miss issues in a piece of equipment you use only occasionally. Here, Corbin Electrical Services, Inc. helps protect against disaster by explaining common causes of generator failure and how routine services can prevent them.Key TakeawaysLong idle periods can cause issues that prevent your generator from starting, leaving you without power during an outage.Common causes of generator failure include battery issues, fuel issues, low oil, coolant leaks, and being left in the wrong activation mode.Routine maintenance visits prevent generator failure by testing components, tightening connections, and performing minor repairs as needed.Corbin Electrical Services, Inc. performs regular generator inspections in New Jersey to ensure reliable operation and provide peace of mind.What Are Common Causes of Generator Failure?You rely on your standby generator to provide power during an outage. But when generators sit idle most of the year, new problems can develop without you noticing. Idle time, temperature, and New Jersey storms can significantly damage residential and commercial generators left unattended.Some common consequences include:Battery FailureGenerators need a small amount of power to get started. Dirty connections, old batteries, sulfation, and loose wiring can prevent the battery from working correctly and keep the generator from starting.Fuel IssuesGenerators need fuel to run. Stale fuel, air inside the fuel system, disconnected fuel lines, or a clogged filter can keep your generator from running by starving it of the fuel it needs.Low OilEngine oil coats generator components, protecting them against corrosion and eliminating friction. Oil can deteriorate while generators sit inactive, allowing parts to rust or seize.Coolant LeaksStandby generators use coolant to prevent overheating. If the coolant leaks or runs low, your generator risks overheating and burning itself out the next time you turn it on.Control SettingsThe final common cause is human error. Most generators have multiple power modes. If you don’t return the generator to auto mode after servicing, it won’t activate as expected.How Can You Prevent Generator Failure?Routine maintenance checkups are the best way to prevent generator failure. During an annual maintenance visit, an experienced technician from our team will inspect your unit for signs of wear and tear. They clean components, tighten connections, cycle old fuel, and perform minor repairs to ensure that everything stays in good condition. When the technician finishes, you get peace of mind that your generator will start when you need it to \u2013 and that you won\u2019t need to pay for expensive repairs.Get Generator Repair and Maintenance Near You in New JerseyPrompt generator service keeps your equipment reliable and provides confidence during emergencies. Trust Corbin Electrical Services, Inc. to ensure your generator operates smoothly with expert repair and maintenance available across New Jersey. To learn more about the causes of generator failure or to request an appointment, contact us today.Corbin Electrical Services \u2013 \u201cWe Generate Peace of Mind”FAQs About Causes of Generator FailureWhat is the most common cause of generator failure?The most common cause of generator failure is a dead battery. Although generators produce electricity, they rely on stored power in a battery to get started. If the battery loses charge, becomes disconnected, or builds up sulfation on the battery plates, then the generator may not start.Why does my standby generator not start?There are several reasons why a standby generator may not start. Troubleshoot by checking for the following common issues:Weak or disconnected batteryInadequate fuel supplySwitched to Off or ManualWarning light or fault messageLow oil levelWhat should I check if my generator does not turn on?Check the fuel level, fuel valve, battery, and mode switch if your generator does not turn on. If you still experience issues, contact our team to diagnose and resolve problems quickly.How often should a generator be serviced?Even the latest and most popular generator models should be serviced a minimum of once a year to address issues that develop while it sits idle. If you use the generator frequently, service it every 100 to 200 run hours to account for increased wear and tear on its components.When should I call a generator repair technician?If your generator won’t start because of a fuel, battery, or switch issue, call a repair technician. You should also call a technician if you notice any of the following:Red status light or error codeLeaking fuel, oil, or coolantUnusual noisesElectrical smellsFrequent shutdownsNo power even when the engine runsCan a generator fail because it is not used often?Prolonged inactivity is a leading cause of backup generator failure. When a generator is not used often, it may develop issues such as stale fuel, a dead battery, seized components, and cracked gaskets. These issues can prevent your generator from starting in an emergency. To prevent them, run your generator once a month for 20 to 30 minutes."},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Common Generator Failure Causes and How Maintenance Helps","item":"https:\/\/www.corbinelectric.com\/increasingly-poor-performace-and-failure-due-to-lack-of-generator-maintenance\/#breadcrumbitem"}]}]