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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.24/7/365 Customer Support. United States & Canada: 888-GENERAC (888-436-3722) International: 1-262-544-4811. Email Us. Online SupportClear the alarm by pressing the Enter button twice and then press the Auto button.; Now remove some load from the generator by switching off some electronic items in your home. Try putting the generator back in AUTO mode and then restart the generator.The problem: Although the engine cranks over the way it is supposed to with the Generac controls, I am getting the RPM sense loss light and no fire to the spark plug. To be sure I had done the hookup right and confirm the engine was still good, I unhooked wire 18, direct wired the NG valve and started it with a remote start switch.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. Hello. I've had a recurring issue for a few months with my generator throwing code 1505. It would throw the code, then if I disconnected and reconnected the battery, it would fix itself. Then it would run with utility loss but it would throw code 1505 every time it tried to exercise. Now, in addition to these issues, when utility power is lost ... 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. Or Canada?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.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.Checked Generator History, exercised normally since November 2019 until July 8, 2020. Unit tried to Exercise but threw a STOPPED - ALARM, RPM Sense Loss and shut down. It has been warmer this last week. Battery Voltage read 13.9 tried to restart manually and Battery voltage dropped to 6.0. No cranking, no attempt to start, just throws the code ...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...To 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...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 …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 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. TopGenerac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions 1 post • Page 1 of 1 Chris1505: Alarm: RPM Sensor Loss for a 2 cylinder unit cranking. Dead/bad battery, bad starter or wiring, or ignition coil problems ... Wiring Error: Miswired controller on customer side: Check high and low voltage wiring connections (194, 23, N1, N1 and T1) ... Clearing Generac generator fault codes is an essential step in maintaining optimal ...The model # of my generator is OH4655, and the serial # is 85811211273. I was away for several days and just went out to the generator. The same Stopped Alarm, RPM Sense Loss was on the display. I did not see any paper or copper as mentioned in the previous post. I swithed the generator to OFF and then to start.

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: 1-262-544-4811Mattyman Oct 18, 2021. Recently, we have had 3 different generators (22kw, 22kw and 16kW) which have had multiple intermittent faults due to RPM Sense Loss, E code 1505. Clients had originally cleared faults and unit ran for outages/exercise and then a few weeks later, they would fault out for the same issue. Two of the units were installed in ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Rpm sensor loss 1501 Generac Generator Troubleshooting, Help,. Possible cause: When dealing with Generac generators, encountering error codes can be a frustrating expe.