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. Online Product Support 24/7/365 CUSTOMER SUPPORT United States & Canada: 888-GENERAC (888-436-3722) International: 1-262-544-4811 In this video, a 1505 error code is simulated to provide a likely visual and audible representation of your machine if this code occurs. We also explain how ... code 1505 comes up on 22kw generac whole house. just installed never been ran. question is do think its the starter.i hear 1 click before the code comes up … read more Curtis B.I installed new coils you provided. Now the 1505 code appears. I have read the locked 1505 code write-up and will trace wires. My Unit I.D.: Model: 0062440. Serial Number: 8114300. Installed 5-2013. Current Total Run Hours 128.1.The generator displays this code when it experiences an overload condition due to excess load. The first step is to remove the load by turning off non-critical devices, and if the problem persists, a service call is needed.Generac Air Cooled Possible Controller Issue; RPM Sense Loss Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questionsRPM Sense Loss, Code 1505/1515. RPM Sense loss is a common fault indicated by the code 1505/1515. If this fault arises, it usually means there are internal issues or a problem with the fuel supply. For code 1505, the RPM alarm is set when a 2-cylinder unit is cranking, and for code 1515, the RPM alarm is set when a single-cylinder …24/7/365 Customer Support. United States & Canada: 888-GENERAC (888-436-3722) International: 1-262-544-4811. Email Us. Online SupportI notice that the RPM Sense Fault comes long after the engine has stopped. Which also points to fuel starvation. If the RPM sense loss itself was the fault (such as shorting the kill wire) I think the fault would appear at the same time as the engine shut down. But it's well after it stops that the fault finally appears.I have a 20kw generac whole house generator. During a power failure on Christmas eve it failed to run. I checked to evolution controller on the generator which only indicated a loss of ac power to the battery charger.Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 17 posts PreviousHello, I have a Generac Guardian 20kW generator and I noticed that there was a red lite fault indicator displayed . I looked at the display and saw an "RPM sensor fault" code, followed by a battery low code. The generator will crank for a second, then stop and sometimes it will just click. I attempted to charge and jump start with the same results. I had the battery checked at an auto parts ...When dealing with Generac generators, encountering error codes can be a frustrating experience, especially when it comes to specific issues like error code 1505 ...I'm working on a Generac 17kw, serial #8100516,:model #0058731. Nexus control shows RPM SENSE LOSS. I reset code and tried to start it by pushing the manual button and all I heard was a click sound. No crank what so ever. Checked battery and it was good, putting out over 13 volts. Checked both battery posts and cleaned them, but still only a ...1. Locate the external switch on the back side of the generator. 2. Ensure the Switch is in the I or Closed position. Note: The top of the switch, which is the I or "closed" position for …1505 rpm sense loss Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 15 postsVerified Dealer 576 posts. redman Jan 23, 2016. Thanks Peddler, looking in the Diagnostic repair manual page 131, it talks about it, as Evolution E-code 1501 / 1505 / 1511 / 1515, but doesn't really tell you how to fix it. just says, this could be a faulty crank circuit or a faulty starter. Its a "latch alarm" and found on flow chart, page 162.RPM Sensor Loss 1505 ALARM This RPM alarm is set when a 2 cylinder unit is cranking. It's caused when the controller told the engine to crank, but did not get a signal back that the engine was actually turning. Possible causes are a dead or bad battery, bad starter or wiring to the starter, or ignition coil problems. RPM Sensor Loss 1511 ALARMaccording to the manual, you'll get RPM SENSE LOSS if it doesn't start because of dead battery, so I assume you'll get that for any starter issue. Unit will not start in AUTO with utility loss. RED Check the LED’s / Screen for alarms. RPM SENSE LOSS Clear alarm. Check the battery using the control panel under the MAIN menu using the BATTERY ...Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 2659 topics Page 1 of 107I have Generac 14kw model 0058720 natural gas unit. I'm getting RPM Sense loss. Engine will not crank. This is an intermittent problem. Usually when code cleared it just sends code again when I attempt to start in manual. Then maybe hours later or next day it will start when code cleared and go thru weekly exercise for a week or two then I get code again. Battery is 6 months old and been load ...Model 5254-1 s/n 4956129 I had a call from my friend on Saturday about a generator problem. Conditions leading up to the problem: -Utility power failed, generator started and transfer load to the generator backed circuits. -After an hour or so, utility power came back on, power was restored to non-generator backed circuits. -The generator didn't shut down after the 1-minute cool down as ...RPM Sensor Loss Alarm. This alarm might suggest a battery issue if the unit fails to crank. If the unit cranks look beyond the battery for issues. Situational Factors Old battery: When is the last time the battery has been inspected or replaced? Battery inspection is a part of routine yearly maintenance, and batteries typically last between 3 ...Here is a little video that shows basically the same thing for one of the 20kw Generac Generators - or similar. For me, the generator fired right up. I was told by a technician that this can be due to a sensor that tends to get a little rust on it, and they will send someone out to take a look at it after the event is over.Manual Mounting of NTFS Drives. To manually mount an NTFS drive, you can use the mount command with the NTFS-3G driver specified. For example: sudo mount -t ntfs-3g /dev/sdXn /mnt/ntfsdrive Replace /dev/sdXn with the appropriate device identifier and /mnt/ntfsdrive with the desired mount point.. Automatic Mounting via /etc/fstabRealized when we had a power failure that the generator did not kick on and found that it had failed on RPM Sense Loss in November. It is now 6 weeks later. I was out of the country and not present to hear that it didn't exercise. It had been maintained in October and looks as though it failed on its' exercise schedule a couple of weeks afterward.1505 rpm sense loss Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 15 postsStart with the easy stuff first. Have the battery load tested at your local auto parts store to make sure it's not bad. That's free and will be the first place to start. Once you find out the battery is good/bad, move on to the starter contactor. You can jump across it with a screwdriver to see if the starter cranks the engine, if it does, you ...Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.What Do the Green, Yellow, and Red Status Indicator Lights Mean on Home Standby Generators?Everything about that sounds like a fuel problem and that the larger venturi is trying to open and then it's stalling. I would check fuel pressure, make sure the 2 fuel hoses aren't pinched anywhere and check that the fuel regulator isn't corroded or awful looking.Wbillm, The RPM sense loss fault is most often seen when there is a problem with the starting circuit, It is being told that the unit should be cranking but it isn't so the 1505 code. MS, you need to determine if you are getting voltage to the starter solenoid when you hear the click, but again yto help further we need more ionfo on your model.You have 2 mag pick up, the one on the rear the reads of the flywheel and the one in the front by the belts. Ohm out both of them , put your leads between red and black wires on the sensor and you should have approximately between(###) ###-####ohms.The GENERAC 0D2244M MAGNETIC PICKUP RPM SENSOR 3/8"-24 THREAD FOR LIQUID COOLED engines part....when i removed it, there were no particles on it and did not look damaged. I wiped it off and checked the resistance (I could not get it to read any resistance trying multiple times in the generator and out of the generator.I have a Generac 1.6 L liquid cooled generator with a nexus controller that shows rpm sense loss. I had the battery checked by Autozone and Walmart and it has the right load per specs. I also changed … read moreGenerac generator code 1900 ... low oil pressure- red alert with alarm-1400- high temperature- red alert with alarm-1501- RPM sensor loss- red alert with alarm- 2 cylinder unit already running but lost RPM signal-1505- RPM sensor loss- red alert with alarm- 2cyl. Unit cranking and lost signal that engine was turning-1511- RPM sensor loss- red ...Note: Generac does NOT recommend end users attempt to modify or service internal generator wiring or attempt to service the transfer switch. Generac-authorized service dealers are trained to service Generac generators and can be contacted using the dealer lookup tool on Generac.com. See the Where Can I Find a Generac Dealer in the U.S. …Generac error code 1505 rpm sense loss. 1year and 4 months. Model: Generac 22kw - Answered by a verified TechnicianHello, i have a generac 10kw generator and for some time there is an rpm sense loss alert on the panel. The engine cranks and starts at a low revolution, then its goes on a very high rpm and then it s … read moreAlarm 1505 is missing rpm signal probably been cause because the unit is not cranking over. It sounds like a dead battery from what you are describing. The controller says battery is good but that is because is sensing the charger is working.I'm working on a Generac 17kw, serial #8100516,:model #0058731. Nexus control shows RPM SENSE LOSS. I reset code and tried to start it by pushing the manual button and all I heard was a click sound. No crank what so ever. Checked battery and it was good, putting out over 13 volts. Checked both battery posts and cleaned them, but still only a ...Get in touch with our support team. If your home standby generator displays an Overcrank, Code 1100 error, try resetting the controller and restarting the unit. If the generator doesn't start after two automatic attempts, ensure the gas is turned on, and contact an authorized service dealer if the unit is still not working or is running rough.I have a generac 8kw from about 2010 and it won't exercise and says RPM alarm sense loss stopped. The people who service it can't find the problem. Have had controller and starter module replaced.Hey, 22-kw Model #G0070430 / Serial # 3001206189 / 1.5 hrs. This is a very aggravating situation here! started this generator up on 12-2-2015, ran it 1-hour break in, load and no load testing, it now has 1.5 hours on the hour meter. They have had 2-power outages, 1st time it worked for 10 minutes, then utility power came back on, and has done its weekly exercise, 2nd time it didn't work, and ...RPM Sense Loss, Code 1505/1515. RPM Sense loss is a common fault indicated by the code 1505/1515. If this fault arises, it usually means there are internal issues or a problem with the fuel supply. For code 1505, the RPM alarm is set when a 2-cylinder unit is cranking, and for code 1515, the RPM alarm is set when a single-cylinder unit is cranking.The customer was made aware that the gas line should be 1" I.D. and that the gas company should verify the fuel regulator and gas meter are sized and operati...The RPM Sense Loss (1501/1505/1511/1515) fault codes signal a loss of RPM sensing and require troubleshooting to resolve the issue. The Underspeed (1600) …Causes. This code can be set off when your controller does not detect the correct engine speed. Diagnosing the causes of engine speed issues can be involved and require accessing components that could cause harm to the owner or generator. Generac recommends contacting an authorized service dealer for assistance.RPM Sense Loss, Code 1501/1505/1511/1515 If the unit was running and shuts down, attempting to restart, clear the alarm by pressing the ENTER button twice, then press AUTO. Next, remove some of the loads.RPM Sense Loss, Code 1505/1515. RPM Sense loss is a common fault indicated by the code 1505/1515. If this fault arises, it usually means there are internal issues or a problem with the fuel supply. For code 1505 “the RPM alarm is set when a 2 cylinder unit is cranking” and for code 1515 “the RPM alarm is set when a single cylinder unit is ...Generac Air Cooled 14kW Guardian won't start, RPM Sense Loss Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questionsMy generator won't crank and also it's display a code 1505 rpm sensor loss please help me outI have an alarm code 1505, The batteries are good. The cables are well aimed. I can not put the generator in auto mode it remains in manual mode and restarts automatically, as if the electricity was missing. I tried to cancel the alarm code without success. I disconnected the battery and reconnect according to the procedure. The generator still starts up and runs for 10 seconds then cuts off and sometimes is says code 1505 and sometimes it says code 1501. So now I’m stuck, I’m really hoping somebody has dealt with this before and can help me out, I have replace 800 worth of parts and did everything I have read about the subject on this forum, and still it does ... I had the same issue, with code 1501. We had scheduled a repair person to come out but they're 1.25 hours away and they couldn't get to us until the end of January, 2023. Hearing the fuel supply issue made me think about the problem starting after the propane company coming to refill the tank.Generac Air Cooled Possible Controller Issue; RPM Sense Loss Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questionsFaulty Crankshaft Position Sensor: Replace the sensor to ensure accurate RPM readings. Wiring Issues: Repair or replace damaged wires and secure loose connections. Control Board Failure: If the control board is defective, it may need to be replaced.RPM loss, code 1505, tech has replaced control panel, starter solenoid, and battery, still will not try to start. Unit is 20kw, serial number is 8601174, approximately 6 years old. TopRPM Sense Loss, Code 1501/1505/1511/1515 If the unit was running and shuts down, attempting to restart, clear the alarm by pressing the ENTER button twice, then press AUTO. Next, remove some of the loads.Where can I find a user manual or other documentation for my home standby generator?Get in touch with our support team. A hard reset can be attempted. If this does not resolve the issue, contact a dealer to perform a firmware update. Firmware updates for liquid-cooled generators cannot be performed over Wi-Fi or by the end user.My generator won't crank and also it's display a code 1505 rpm sensor loss please help me outTo restart a generator that has shut down with an RPM Sense Loss alarm, first clear the alarm and then try restarting it. If it still does not start, remove some of the loads and try again or contact an authorized service dealer. If the generator will not start in AUTO when there is a utility loss due to an RPM Sense loss alarm, try...Jul 3, 2021 · Clear the alarm by click the Enter button twice. And then, click on Auto and then remove some loads. Now, put it back on Auto and then restart. Generac error code 1505 rpm sense loss. 1year and 4 months. Model: Generac 22kw - Answered by a verified TechnicianGenerac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 3 posts • Page 1 of 1 crossfireltdHave a older Liquid Cooled 27KW (LP) that keeps giving a rpm sense loss (sometimes missing crank pulse as well). It only tries to start for a sec or 2 then shuts down. I had tested the mag pickup and seemed to test fine but replaced anyway and still doing the same thing. Have gone over the connections and everything looks good.Ron sense loss and will not crank over RPM - Answered by a verified Technician We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.