Generac error code 1505

Generac Generator Troubleshooting, Help, and Repair Forum | Gentek Power

Post Sun Aug 05, pm. Quick links. Post Sun Aug 05, pm Because the error code alarm on Generac is such a popular question I wanted to explain what this means and why it happens The error code is a RPM loss alarm and will trigger a shutdown anytime it occurs and will not self clear.

This is usually caused by a couple of simple things. The battery is bad, dead, not connected properly, or has loose or dirty terminals. The starter contactor has a problem or loose connection. This is located near the controller and is a small black colored relay with 4 wires. It converts the controller's start signal into a higher current signal that turns the starter's solenoid on.

The starter motor has a problem, bad connection or the small 16 wire which tells the solenoid to turn on is loose or disconnected. The ignition coils have a problem. This could be that they are bad, have contacted the flywheel, etc. The 18 wire sends the RPM signal to the Evolution from the ignition coils.

The engine however unlikely is internally damaged and will not physically move seized up During troubleshooting, always start with the battery. It's the most likely cause and should be load tested, not just checked for voltage.

A bad battery will very often show normal battery voltage but when a load is applied will drop to zero, or well below the normal threshold for a battery. If the battery checks out, see other causes above and move on from there checking cables and connections. Generac tech for over 12 years. I'm here to help! Gentek Power offers the full line of Generac replacement parts!Note: Your browser does not have JavaScript enabled.

Many features may not work properly without it. Please enable JavaScript in your browser settings. Username or Email. Password Forgot your password? Keep me logged in. Cranks and goes into alarm after about 5sec. What's everyone else been seeing as the root cause? I know there was an issue with the flywheel magnets causing the magnetos to snap their mounts, but this one cranks fine with no grinding or noise whatsoever. Ordered mags, flywheel, key, fan. I'm leaning towards the key being sheared because there's no output at all with wire 18 disconnected.

The V is absent when cranking. Should get atleast something from one or the other. All other resistance tests and diode checks came out fine. Ziller Tech Senior Member 1, posts Share. I normally will pull a few bolts to allow access to the oil cooler and then remove that so that you can see in there. You can usually see any damage from that small 4X4 or so window. Other issue could just be that the ground wire is somehow grounded internally if it has a break someplace.

Thank you Chris.

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Good tip, I probably should of peeked in. Ordered the full gambit figuring for the worst.Post Thu Jun 25, pm.

generac error code 1505

Post Fri Jun 26, am. Post Fri Jun 26, pm.

generac error code 1505

Post Sat Jun 27, am. Post Tue Jun 30, am. Post Tue Jun 30, pm. Quick links. Post Thu Jun 25, pm I have an 11kw that had a lighting strike near by. I had to have the low voltage coil on the transfer switch replaced and the board inside the transfer switch. Also had the controller on the unit replaced. I am having trouble still as the unit will crank then slow down like battery is dying. Replaced with a new battery thinking it may have been fried too.

Same thing still happen. It will do this 2 to 3 times in manual mode then it starts up fine. I have already replaced the start relay. Have checked the continuity from the relay to started its fine.

What do I need to check and how do I do this. I have a fluke to do the checks with. Thank you. Generac tech for over 12 years.

generac error code 1505

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Password Forgot your password? Keep me logged in. I am having some issues with my generator. Its showing an error code and when cleared and manually started it just "clicks" and does not turn the starter over. Been having some power outage issues where the power has been going off and on in a short amount of time.

Any ideas?

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Any help is greatly appreciated. MacL Senior Member posts Share.

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Dead battery, bad battery, dirty battery connections, loose connection at the starter or battery State your problem, not your diagnosis. Missing Something Junior Member 6 posts Share. Battery and connections are OK. Battery tests at 14 volts. Check the starter contactor relay.

Make sure it is energizing. Then check for voltage on wire 16 at the starter. If all check ok, it may be the starter. Looks like its the SCR. Looks like the starter is OK. Missing Something wrote :.

P1505 - Idle Speed Control Actuator Signal Low

Skip Douglas. I have an alarm code and I think it is either the 18 wire to the magneto or the magneto itself. Generator runs for about 8 minutes and provides power then shuts down. Mags are historically the culprit but on the twin cylinder engines they are a pain to replace, I would investigate further before condemming them.

If you want more help on this site we need more info about the machine.Generac generator error code keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. Search Domain. Search Email. Generac 22kw generator error code Error code generac generator. Generac generator error code rpm loss.

We found at least 10 Websites Listing below when search with generac generator error code on Search Engine. Next, remove some of the loads. This seems intermittent and some weeks it will exercise normally, and other weeks I will see the red alarm light on the side and see this code on the screen.

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. Activate your generator here.

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Briggs and Stratton units. Powerpact generators are not covered in this booklet as their controllers are completely different. Keyword Suggestions. Generac generator error code Home Generac generator error code Generac generator error code keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website Search Domain.Engine-Codes - Generic - P P Possible Causes What does this mean?

How is the P code repair? Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. What is the cost to diagnose the P code Labor: 1. The auto repair labor rates vary widely across the country, and even within the same city.

P Meaning The Idle Speed Control Actuator ISCA valve is installed on the intake manifold and controls the intake airflow that is bypassed around the throttle plate to keep constant engine speed when the throttle valve is closed. The function of the ISCA valve is to maintain idle speed according to various engine loads and conditions, and also to provide additional air during starting.

The ISCA valve consists of an opening coil, a closing coil, and a permanent magnet. Based on information from various sensors, the Engine Control Module ECM controls both coils by grounding their control circuits.

According to the control signals from the ECMthe valve rotor rotates to control the by pass airflow into the engine. More Information Need more information on how to fix the P code? Get Access to Factory Service Manuals. Need more help?

Get the P code diagnosed by a professional: Find a repair shop in your area. Why is the Engine Light ON? Repair Importance Level: 3.If your home standby is displaying this error code, resetting the controller and restarting your unit may do the trick. If your unit does not start after two automatic attempts, there is an issue.

Make sure the gas to your generator is turned on. If the handle is lined up with the pipe, your gas is on. If your handle is lined across the pipe, this indicates that the gas is turned off. If the gas is on and your unit is still not working or is running rough, contact an authorized service dealer.

This code usually displays when the controller detects high RPM. This can be caused by defective ignition coils, and for this, you need to contact an authorized service dealer. When your home standby is displaying this error, the first thing to check is your oil level. Be careful not to overfill the engine. If the oil level is good and your unit is still not working, a service call is needed.

Next, remove some of the loads. Try putting it back in AUTO and then restart. If it does not start after doing this, you will need to place a service call. Then, using the control panel, check the battery. This code can be set off when your controller does not detect the correct RPM.

If your unit is displaying this code, you will need to contact an authorized service dealer. A sudden drop in voltage can set off this error code. For this code, a service call is needed. Your unit shows this code when you controller senses an overload condition. The first thing to do is remove the load.

Load shedding should be installed to prevent this from happening in the future. If you remove the load and the problem persists, a service call is needed. Check the VDC on the battery as well as the controller to make sure they are the same. If the voltage is less than If the voltage is over Looking for more?