• Generac Generator Not StartingWere there electrical devices plugged into the generator prior to starting the unit? Generators need to stabilize and warm up before appliances can be applied. Bad or Old Fuel in a Generac Generator. Once the engine is up to full RPM’s, turn the gasoline shutoff valve to the off position. Empty Fuel Tank on a Generac Generator. I have a 15000 watt generac generator that will not start, the solinoid on bottom of carb has only 0. Generac Generator Troubleshooting; 5 Issues And 25 Fixes. Generator Won’t Start? Repair & Troubleshooting Guide. 1K views 5 years ago Generac generator was not starting during weekly cycle. 5 amp 15000 watt with a problem when in auto it starts runs then transfers … read more Hank F. Starting in manual, it will go through the first 15sec try, but after the 6 sec rest. For propane somewheres between 10-12”on guage. Generac GP5500 - not starting 7244 Views 21 Replies 8 Participants Last post by timothy. Is the control board on the generator working? If not, there could be battery failure, or the cables could be loose or defective. While the negative cable is off measure between your battery posts, it should read something over 12. All of the indicators lights are on. Fumes are harmful and the leak must be found before you continue to run the generator. To prevent your generator from start-up difficulty, you need to do the following: • Ensure the oil and air filters are regularly inspected and changed when needed. Generac Grid Services Calculators Power Design Pro Mobile Products Calculators Industrial Generator Heat Rate Calculator Support Industrial Power Manuals and Spec Sheets Find Service for Industrial Power Mobile Product Manuals and Spec Sheets Mobile Product Warranty Find Service for Mobile Products. Increasingly hard to start (2-3 crank cycles), now cranking but not starting. Increasingly hard to start (2-3 crank cycles), now cranking but not starting. Generac Will Not Start Triple T Ranch & Sawmill 7. Start the generator on gasoline with No Load. Generac Expands Portable Generator Line with Largest. , Technician Satisfied Customers have worked on and around most engine models for 35 yrs. What causes no automatically exercise after pressing and. Generac natural gas generator. Allow generator to run and warm up for a few minutes. Generac Grid Services Calculators Power Design Pro Mobile Products Calculators Industrial Generator Heat Rate Calculator Support Industrial Power Manuals and Spec Sheets Find Service for Industrial Power Mobile Product Manuals and Spec Sheets Mobile Product Warranty Find Service for Mobile Products. A spark plug may damage, and the generator will not start. I have a 22kw Generac Generator (Serial No. There are cables plugged into the generator 5. When you’re ready, pull the starter cord slowly until you feel resistance, then pull rapidly to. 16 Reasons a Generac Generator Won't Start: SOLVED!. If fuel is not available, then it means that your generator will not start at all. Recently picked up this Generac LP3250 propane generator off of eBay dirt cheap for $57. Generac Generator won't start 01 - Generac Generator Spark Plug Inspect the spark plug for signs of wear or damage. Generac Grid Services Calculators Power Design Pro Mobile Products Calculators Industrial Generator Heat Rate Calculator Support Industrial Power Manuals and Spec Sheets Find Service for Industrial Power Mobile Product Manuals and Spec Sheets Mobile Product Warranty Find Service for Mobile Products. To prevent your generator from start-up difficulty, you need to do the following: • Ensure the oil and air filters are regularly inspected and changed when needed. What to do when your Generac portable generator won't start Generac® Residential Products 10. If the generator still does not start, it is best for the device to be checked by a Generac. If the generator still does not start, it is best for the device to be checked by a Generac Service Dealer who will diagnose the problem and provide resolution. If your Generac generator doesn’t turn on, it may be due to a low oil level. (Note: Make sure there is no appliance or extension cord connected to the generator while starting) Fill Correct Fuel Check Valve Oil Check Spark Plug Ignition Coil Carburetor Clogged Fill Correct Fuel Here is the first and the most common cause why Generac generators don’t start. Generac XG8000e with an electric starter problem. Wiring Issues: Loose or damaged wiring can cause the generator to stop running. is online now Related Small Engine Questions Engine ran out of gas. Easy Fix for Generator Not Starting. A simple way to determine if this is the issue is to loosen the fuel cap and run the generator. There are cables plugged into the generator 5. I have a standby generac generator Item #(NNN) NNN-NNNNser #(NNN) NNN-NNNN120~240 volt 125~62. If the unit was running and shuts down, attempting to restart, clear the alarm by pressing the ENTER button twice, then press AUTO. W491624844) and the Outside unit will not turn over when the generator is running. Depending on the style of your generator, this choke lever may be positioned in a few different places. the transfer switch transfered back to normal power, then the generator cooled down and shut off. Recently picked up this Generac LP3250 propane generator off of eBay dirt cheap for $57. Hot to neutral, hot to ground, and neutral to ground. Generator will start and run. Fix Over Crank issue with Generac Generator Review Outlaw 19. A sensor on a Generac generator protects the engine by not allowing it to run when the engine oil level is low. Engine has compression and spark. The global Black Start Generator market size is projected to grow from USUSD 1115. About Careers Contact Us ESG Report Find a Dealer Regions United States and Canada Africa Asia Australia Europe Latin America Find A Dealer: Homeowners Products Home Backup Power Clean Energy. Just purchased a used Generac 20KW 1. so I may have a regulator problem that's affecting the cold weather starting ability. To turn the generator back ON: Install 7. If your generator won't start in the event of an outage, it could be a simple fix. If the fuel cap vent is clogged, air won't be able to enter the tank and a vacuum or "vapor lock" will occur. com/generac-generator-wont-start/#Empty Fuel Tank on A Generac Generator" h="ID=SERP,5719. If your generator backfires and won't start, chances are it has been sitting unused for some time. 23K subscribers Subscribe 159 39K views 2 years ago Our backup generator would not start. 51 of a volt to it, cameronsmallengines, Small Engine 220 Satisfied Customers 15 years experience in outdoor power equipment repair cameronsmallengines is online now Related Small Engine Questions. com">Why Won't My Generac Generator Start?. Low Battery Charge: If the battery is low or dead, the generator may not be able to start or may only run for a few seconds before stalling. Top Reasons your Generator Won’t Start 1. I am diagnosing this problem for my Father's 14kW Generac automatic standby natural gas generator with automatic transfer switch. The choke of any engine should be set to “closed” during startups and then moved to “open” once the engine warms up. Alternator: You can test a faulty alternator using a multimeter. 22kw Generac Generator wont run 5 ton AC unit. With natural gas you want to see values between 3. In this section, we'll discuss things to check when the generator won't even start in the first place. What do I do when my generator gives me a RMP sense loss error?. 67K views 1 year ago Generac Generator Repair. It has decided not to exercise on the weekly schedule, the low oil light is staying on until it starts, and will not automatically start during a power outage. If the breaker is turned off, the generator will not be able to transfer power from the generator to the home. State your problem, not your diagnosis. A generator that has. To check if the engine has enough oil for operation: Unscrew the oil tank and check the oil level using the modified lid as a dipstick. Confirm the generator MLCB (generator disconnect) is OFF (OPEN). Generac 16kw - 52430 - 4641754 I installed this generator myself back in 2006 and it has been working great until recently. When the generator is dying, it starts but won't continue running. Is the control board on the generator working? If not, there could be. The cause of this could be that you haven’t checked the oil in quite some time, or there is an issue with the dipstick or gauge readings. If your generator was running, shuts down and is attempting to restart, you can try the following. I have a 20kw air cooled Generac that's not getting spark so won't start. 03 - Generac Generator Fuel Cap. Always make sure all electrical devices have been unplugged before starting the generator. You may have a gas smell coming from your Generac generator. Make sure your orifice on the generator is set to LP, turned clockwise and sunk down in the bore. The spark plug must be changed if sparks are now visible between the plug boot and the engine. 5K subscribers Subscribe 45K views 2 years ago Are you have an OverCrank Issue on your Generac 20K Air Cooled Generator? Will if. I have a 20kw air cooled Generac that's not getting spark so won't start. Similarly, a generator that has been stored with fuel with a stabilizer for. 5 million in 2029; it is expected to grow at a CAGR of 1306. How To: Start your Generac Generator Manually Gault Energy & Home Solutions 182 subscribers Subscribe 130K views 7 years ago As a Gault Energy customer, you know that we are here for you 24. I have a Generac XG8000e with an electric starter problem. I have a 15000 watt generac generator that will not start, the solinoid on bottom of carb has only 0. Could the propane regulator be bad on this 7. A Generac generator has a small fuel tank. If the breaker is turned off, the generator will not be able to transfer power from the generator to the home. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Generac Home Standby 15kw GeneratorProblem: Press button to set exercise time, but generator does not turn on automatically. If your spark plug damages, burns, cracks, then replace it. • Look through all air and oil piping for leaks or cracks. If all is good at that point you can diagnose the starting circuit. It will not start. Subscribe 6. Generator Backfire: Troubleshooting & Reasons">Generator Backfire: Troubleshooting & Reasons. Step 2 Make sure the device is appropriately adapted for use at work. If the generator runs smoothly, then you know you need to clean the fuel cap or just. Reasons Your Generac Generator Won’t Start 1. 38K subscribers Subscribe 10K views 5 years ago I prepare to repair a Gererac propane generator at. Tell the Nexus you performed the battery service (or reset the maintenance). Generac 16kw - 52430 - 4641754 I installed this generator myself back in 2006 and it has been working great until recently. Start the generator on gasoline with No Load. This stops the flow of fuel to the. Check whether the alternator is overheating; it will be indicated by heat light. Why Generac Generator Won’t Start – Fix it With 8 Steps. What could be wrong if my portable won't start?. Troubleshoot the problem and also completed the. Activate your Generator Product Registration Request Service for Home Standby Generators Connect with Mobile Link PWRcell and PWRview Case Tracker Parts & Accessories Where to Buy Find a Dealer Residential/Commercial Sales & Service Portable Generator Sales & Service Pressure Washer Sales & Service. Clean the components making up the carburetor. Generator Won't Start? Repair & Troubleshooting Guide. After that, if it does not work, change it, and adjust the new one for a better service. Generac not starting fixed. Generator Runs for a Few Seconds Then Stops Problem">How to Fix Generator Runs for a Few Seconds Then Stops Problem. The generator is low on fuel 2. When the utility power is lost, why won't my standby …. I have a 15000 watt generac generator that will not start. I assume there is more cleaning to be done inside but I am not sure how to get to the inside of the carb??. A carburetor is a likely place where a generator will begin leaking. Size of pipe: 1" from meter for about 30'-40', then drops to 3/4 where it splits into 2 3/4" lines; one feeding the generator (about 12-15' away) and the other feeding a kitchen stove. With the engine now running on gasoline, slowly turn the load-block adjustment counterclockwise (open) until the engine speed is affected. Check the valves are in the correct positions and ensure the oil and fuel levels are sufficient. Why is my generator not getting sparked? Remove the spark plug and cap if there is no spark or the spark is feeble. 67K views 1 year ago Generac Generator Repair. The generator is low on fuel 2. Generac 16kw - 52430 - 4641754 I installed this generator myself back in 2006 and it has been working great until recently. You may have a gas smell coming from your Generac generator. In Generac's Online Product Support section you can find the specifications, product manuals, frequently asked questions, how-to videos, and more for your product. Make sure your orifice on the generator is set to LP, turned clockwise and sunk down in the bore. The log shows dates back to 2008, so perhaps this is really a 2008 mode, but I know for a fact that it was installed in June of 2009. I only mention this obvious cause of a starting problem because it’s easy to skip checking the fuel level when you’re frustrated. Its a 2012 build with about 50 hours on it. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. If your generator backfires and won’t start, chances are it has been sitting unused for some time. A Generac generator has a small fuel tank. Reasons a Generac Generator Starts Then Dies Generac Generator is Leaking Gas. 3) The choke lever is in the wrong position. The gas company around here seems to consider 6-8 inches WC a standard. What to do when your Generac portable generator won't start Generac® Residential Products 10. To determine if the spark plug is defective, use a spark plug tester. so I may have a regulator problem that's affecting the cold weather starting ability. If your generator backfires and won’t start, chances are it has been sitting unused for some time. The generator started but did not transfer. Generac Grid Services Calculators Power Design Pro Mobile Products Calculators Industrial Generator Heat Rate Calculator Support Industrial Power Manuals and Spec Sheets Find Service for Industrial Power Mobile Product Manuals and Spec Sheets Mobile Product Warranty. A spark plug may damage, and the generator will not start. It will crank, but to me it seems sluggish. how to manually start generac generator. How To: Start your Generac Generator Manually Gault Energy & Home Solutions 182 subscribers Subscribe 130K views 7 years ago As a Gault Energy customer, you know that we are here for you 24. Allow the generator to run for a cool-down period of approximately one minute. Online Product Support 24/7/365 CUSTOMER SUPPORT United States & Canada: 888-GENERAC (888-436-3722) International: 1-262-544-4811. When the utility power is lost, why won't my standby generator start?. Technician 18,141 satisfied customers I have a generac stand by generator. Generac Grid Services Calculators Power Design Pro Mobile Products Calculators Industrial Generator Heat Rate Calculator Support Industrial Power Manuals and Spec Sheets Find Service for Industrial Power Mobile Product Manuals and Spec Sheets Mobile Product Warranty. Engine Will Not Start on Natural Gas (Basic Troubleshooting). You should never have anything plugged into the generator during. It has decided not to exercise on the weekly schedule, the low oil light is staying on until it starts, and will not automatically start during a power outage. Generator Backfires and Won’t Start: 7 Causes To Check. Fuel is also less combustible when it mixes with water, oil, or other contaminants. Generator Will Not Turn Over!. Fix Over Crank issue with Generac Generator Review Outlaw 19. Those hours were put on it primarily back in Oct 2012, and then the unit mostly sat. Generac Propane Generator Will Not Start. There are some cases when you leave fuel in the generator for a long time. Generator won't run gas furnace. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. 1K views 5 years ago Generac generator was not starting during weekly cycle. Set the MLCB (generator disconnect) to ON (CLOSED). I noticed yesterday when I visited that the red. A spark plug may damage, and the generator will not start. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. 22kw Generator wont run 5 ton AC unit. As fuel is consumed by the engine, the level in the fuel tank lowers. Leaving fuel in your gas tank for months will cause it to degrade. It looks like the last maintenance was in 2018, as far as I can tell, with about 188 hours on the meter. Try measuring the generator voltage at one of the receptacles. One is that upon starting, the ignition voltage is supplied by the battery, but then after starting, it switches to being supplied by one generator winding that serves that purpose. I have a 20kw air cooled Generac that's not getting spark so won't start. What causes Generac generators not to start? One of the main reasons why your Generac generator won’t start is the use of stale or old fuel. Just purchased a used Generac 20KW 1. First, you have to check if fuel is available whether the Generac generator is running on natural gas or propane. A spark plug may damage, and the generator will not start. 4 Common Generac Generator Problems (Troubleshoot). You may have forgotten the last 2. Steps of how to troubleshoot a Generac generator Step 1 Check whether the alternator is overheating; it will be indicated by heat light. hoppmann , Oct 14, 2022 G goldretrvr Discussion Starter · Nov 21, 2017 I have a Generac GP5500 (model # 0059396) machine. If the porcelain insulator is cracked, an electrode is burned. It is a 2007 LP gas Model #005336-1 Serial # 4724494. At the controller, set the generator to OFF. Generac Generator Troubleshooting. 12 kw Generac, lp gas, model 04456 w/ 1,300 hours ( runs as supplement to off grid solar home). After that, if it does not work, change it, and adjust the new one for a better service. Wiring Issues: Loose or damaged wiring can cause the generator to stop running. When the utility power is lost, why won't my standby. Why Won't My Generac Generator Start?. Standby Generator Will Not Turn Over!. that is not starting due to the choke not working, it will start if I close the choke by Related Small Engine Questions … Technician High School or GED Technician High School or GED … How to connect kohler 20kw home generator to Generac transfer switch … Hank F. Generac 25kW Liquid Cooled Generator -. To remove, clean, and potentially replace the spark plug, follow the steps below: Ensure that the unit is powered down, with the switch set to “off. Replace the negative cable and tighten, checking all connections for tightness on the battery, starter, and engine block. The battery charger voltage is correct for your unit. Reasons Your Generac Generator Won’t Start 1. , (NYSE: GNRC) a leading global designer and manufacturer of energy technology solutions and other power products, today. How To: Start your Generac Generator Manually Gault Energy & Home Solutions 182 subscribers Subscribe 130K views 7 years ago As a Gault Energy customer, you know that we are here for you 24. Click to expand Ok, thanks for the suggestion. , May 11, 2023 /PRNewswire/ -- Generac Power Systems, Inc. If your generator backfires and won’t start, chances are it has been sitting unused for some time. Generator Backfires and Won't Start: 7 Causes To Check. Next, remove some of the loads. Simple electrical switching is often a problem, Step 3. If the generator still does not start, it is best for the device to be checked by a Generac Service Dealer who will diagnose the problem and provide resolution. Troubleshooting Generac Generator That Doesn't Start. At the controller, set the generator to AUTO. However, the plug may have any defect, and then use the plug tester. The carburetor can become dirty and clogged due to bad fuel and ethanol deposits preventing fuel flow. On many generators, it can be found directly above the air filter on the. Next, turn on the fuel valve and make sure the engine is switched off. You may have forgotten the last time you added fuel or your fuel gauge no longer works and provides you with a sufficient reading. Hoping to use this for my Off-Grid cabin. and cleaned/checked the starter ground connection. There could be multiple reasons for a Generac generator not starting. While the negative cable is off measure between your battery posts, it should read something over 12. and a 1 year old 15 SEER REEM 5 ton AC unit (152 LRA and RLA-23A) (Model No. These reasons range from a decrease in the oil level, an empty fuel tank, choke malfunctioning, a closed or clogged fuel valve, a clogged carburettor, a spark plug not working properly, a dead battery, and unclean air filters. (Note: Make sure there is no appliance or extension cord connected to the generator while starting) Fill Correct Fuel Check Valve Oil Check Spark Plug Ignition Coil Carburetor Clogged Fill Correct Fuel Here is the first and the most common cause why Generac generators don’t start. This reading is for a healthy battery. After reinstalling the carb, the machine will still not start. Remove any cables that may be connected. Set the generator MLCB (generator disconnect) to OFF (OPEN). 67K views 1 year ago Generac Generator Repair. It seems that NG engines can be flooded with excess pressure the same way as gasoline engines with too much liquid fuel. Quote Member 49 posts sggoat Sep 21, 2019 Peddler wrote:. 6 million in 2022 to USUSD 1306. The Generac GP15500EFI, with 15,500 running watts, and GP18000EFI, with 18,000 running watts, provide dependable portable power that is ideal for high-wattage jobsite demands, DIY projects and. Why is my generator not getting sparked? Remove the spark plug and cap if there is no spark or the spark is feeble. First, you have to check if fuel is available whether the Generac generator is running on natural gas or propane. that is not starting due to the. These reasons range from a decrease in the oil level, an empty fuel tank, choke. If the generator still does not start, it is best for the device to be checked by a Generac Service Dealer who will diagnose the problem and provide resolution. Generac generators are equipped with a low-oil shut down system to. 15000 watt generac generator that will not start ">I have a 15000 watt generac generator that will not start. Starting in manual, it will go through the first 15sec try, but after the 6 sec rest. Looking for more? In Generac's Online Product Support section you can find the specifications, product manuals, frequently asked questions, how-to videos, and. To make up for this, the fuel cap uses a small vent to allow air to enter the tank. If your generator is stored with gasoline in the tank, it might be difficult to start. SOLUTION: Re: Generac natural gas generator. Your air filter needs to be replaced 7. Recently picked up this Generac LP3250 propane generator off of eBay dirt cheap for $57. You dont want to see more than 1” variation between starting and running. 16 Reasons a Generac Generator Won’t Start: SOLVED!. When checking the voltage at the starter measure the positive at the starter motor, not the solenoid and use the starter case for the negative lead which will help in seeing if you have a ground issue. What do I do when my generator gives me an overcrank code?. The spark plug is having problems 8. My Generac Generator Won't Start Why. Could the propane regulator be bad on. Generator … read more Hank F. Is your generator not starting? It may be because the fuel level is low. Reasons a Generac Generator Starts Then Dies Leaking Gas. Generac generator (natural gas) starts but won't stay running. At the controller, set the generator to AUTO mode. Generac generators use a Group 26R, 12-volt 540 CCA minimum batteries. Size of pipe: 1" from meter for about 30'-40', then drops to 3/4 where it splits into 2 3/4" lines; one feeding the generator (about 12-15' away) and the other feeding a kitchen stove. It will give you, and others, a better basis to discuss your problem. 20KW won't start. Generac Generator Troubleshooting, Help, and Repair Forum ">Generac Generator Troubleshooting, Help, and Repair Forum. All of the indicators I have a generac stand by generator. To turn the generator back ON: Install 7. Generac 25kW Liquid Cooled Generator - Radiator flush and fill Fr. Carefully extract the fuel selector pin and make sure the grommets aren't torn and blocking any holes. Fumes are harmful and the leak must be found before you continue to run the generator. In this case, you might need to replace older fluids, broken fuel lines, or even faulty spark plugs. Generac Home Standby 15kw GeneratorProblem: Press button to set exercise time, but generator does not turn on automatically. 4K subscribers Subscribe 98K views 2 years ago Generac Portable Generator Support Videos Show. Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, Olympian & Carrier Liquid Cooled Home Standby & Commercial generator troubleshooting and repair questions Joined: Mon Sep 30, 2019 2:19 am. Many people don’t realize gas degrades and starts to become less effective as 3. 10 Common Reasons Your Generator Won't Start. A generator that has been in storage with fuel for more than 30 days without fuel stabilizers can easily clog your carburetor. Generators need to stabilize and warm up before appliances can be applied. Activate your Generator Product Registration Request Service for Home Standby Generators Connect with Mobile Link PWRcell and PWRview Case Tracker Parts & Accessories Where to Buy Find a Dealer Residential/Commercial Sales & Service Portable Generator Sales & Service Pressure Washer Sales & Service. Generac 12 KW LP gas hard/no start. Difficulty starting To start your Generac iQ2000, connect it to an appropriate electrical load. What to do when your Generac portable generator won't start Generac® Residential Products 10. Generator Backfires and Won’t Start: 7 Causes To Check">Generator Backfires and Won’t Start: 7 Causes To Check. Troubleshooting a Generac Portable Generator with …. Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, Olympian & Carrier Liquid Cooled Home Standby & Commercial generator troubleshooting and repair questions Joined: Mon Sep 30, 2019 2:19 am. The choke is too open or too closed 6. I recently became the proud owner of a Generac 20kw backup generator, model 0058871, s/n 7067597 which, until recently, seemed to exercise properly. Will not retart starter will not run) Engine ran out of gas. Propane Generator - Generac Generator Won't Start Gerry Chicalo 1. It will not start. Dfvet106 Sep 20, 2019 · Edited. 12 kw Generac, lp gas, model 04456 w/ 1,300 hours ( runs as supplement to off grid solar home). Generac 16kw will not exercise. Generac Generator won’t start 01 - Generac Generator Spark Plug Inspect the spark plug for signs of wear or damage. You can test the relay, solenoid, and starter motor with 12vdc and small jumpers. A Generac generator won't start due to an empty fuel tank, old gas, plugged fuel filter, clogged fuel line, dirty carburetor, bad spark plug, faulty ignition coil, plugged air filter, plugged spark arrestor, incorrect engine oil level, bad dial, faulty starter recoil, or bad starter switch. 4K subscribers Subscribe 98K views 2 years ago Generac Portable Generator. I recently became the proud owner of a Generac 20kw backup generator, model 0058871, s/n 7067597 which, until recently, seemed to exercise properly. 12 kw Generac, lp gas, model 04456 w/ 1,300 hours ( runs as supplement to off grid solar home). How To: Start your Generac Generator Manually. This video shows you some tips for dealing with this situation. Confirm the generator MLCB (generator disconnect) is OFF (OPEN). However, if the system is backfiring, the fuel in the gas tank may be old or dirty. do when my generator gives me a RMP sense loss error?">What do I do when my generator gives me a RMP sense loss error?. Why Generac Generator Won't Start. Technician High School or GED 18,141 satisfied customers. To examine the ignition coil, place the spark plug wire’s other end near the engine’s body and pull the recoil starter. Start the generator and watch the readings changing. I am not sure of the model off hand - I can look for it next time I am by there. I have a 20kw generac gen. In this case, you might need to replace older fluids, broken fuel. Check the wiring and connections for any damage or wear. Alternator: You can test a faulty alternator using a multimeter. How to troubleshoot a Generac generator (Step by Step) Step 1. Start by checking the voltage readings of your generator battery; while the generator is not running, the readings should be around 12. If your generator was running, shuts down and is attempting to restart, you can try the following. 14kW Generac auto standby. I am guessing there are other parts of the carb that are gummed up, but I couldn't get the bottom (cup part) to separate. There could be multiple reasons for a Generac generator not starting. What to do when your Generac portable generator won't start. Quote Junior Member 21 posts JMD822 Sep 24, 2018 Thanks. Make sure the device is appropriately adapted for use at work. • Always check the coolant level for the generator so that you can prevent engine damage with time. Top Reasons your Generator Won't Start 1. Battery, battery cables and both ends, starter contactor relay, starter contactor (solenoid), starter motor, and all wiring connected to these items. Now wait for the engine speed to smooth out. Troubleshoot 01: Spark Plug Assuming you have fuel in the generator, the next thing to check is the spark plug. Appeared initially worse w/ cold weather but now problem same warm or cold. When I came out I opened the main, the generator started but failed to transfer, so I manualy transfered it.