When does the Onan generator shut down code 36?

Onan Generator Code 36 Generator Runs For a Few Minutes Then Stops Onan Generator Stops Running When Hot Diagnosing Different Onan Generator Issues Error Code 36 Advice Some Final Words It is possible for your Onan generator to start up fast and quit just as quickly.

What do you need to know about the Onan generator?

The Onan power generator is a solid machine specifically designed to meet the energy demands of the average house owners as well as RV enthusiasts. If you want something to sustain your RV facilities/appliances or simply in need of a backup power source, this unit shall serve you well.

Why does the oil pressure switch on Onan generator stick open?

The oil pressure switch of Onan generator often sticks open in case the unit has not seen any use for an extended period of time. In many cases, the situation could be resolved by multiple start/stop cycles, some light tappings should work as well. 2. Defective Control Board

Why is my Onan generator producing low AC voltage?

If field flash voltage seems pretty normal, the regulator could be the source of problem which you could determine simply by running 12 volts through a diode to the regulator pin 9. In the case the generator starts producing normal or slightly low AC voltages after that, the regulator is definitely defective.

Why does my Onan generator start and quit fast?

It is possible for your Onan generator to start up fast and quit just as quickly. That is because many generator models are designed to shut down if there is a quarter of a tank of fuel left in the tank.

What should I wear if my Onan generator won’t run?

About the gears, a rugged pair of rubber gloves should be sufficient but to be in the safe side, wear facemask and goggles as well. Once you have everything on hand, it’s time to tackle the “Onan generator starts but won’t stay running” issue.

Why does my Onan generator not start up?

If the generator is not getting enough spark, then the armature coil may be going bad and not producing the spark you need to run your generator. One way to make sure it is the armature coil is if your generator needs time to cool down before starting up again. Usually, you may not be able to re-start the unit until 30 minutes have passed by.

What should the resistance be on an Onan generator?

Use the multimeter to check the resistance between pins 9 and 10 of the plug, the appropriate reading would be around 22 – 28 Ohms. If the reading is too low, there could be a short in the rotor. On the other hand, if reading is too high, it’s highly likely that there is a ground in the rotor .

Where is the armature coil on an Onan generator?

One way to make sure it is the armature coil is if your generator needs time to cool down before starting up again. Usually, you may not be able to re-start the unit until 30 minutes have passed by. The armature coil is normally located next to the flywheel making it not to difficult to find and replace.

How to check for Nan code on Onan generator?

All you have to do is follow these simple steps and you should be fine: Locate the primer button. This doubles as the start and stop button on your generator Run the generator for 15 minutes to see if the code has been cleared. If not, then you may need the help of a qualified nan repairman to fix the problem

How to tell if Onan generator is going faster than 3, 400 rpm?

3 flashes, a pause and then one flash tells you that your Onan generator is going faster than 3,400 rpm. The trick here is to make sure you do not confuse 13 with 31. You can double-check by pressing the stop button 3 times in 5 seconds.

What do I need to start my Onan generator?

Getting the Engine Running Before any evaluation of the controls, regulator or generator can proceed, the Onan engine must have oil and fuel, be in running condition and the 12-volt battery charged. The electronic governor, 151-0752, on Models BGM and NHM, Spec B and later, must be functioning properly.

When does the Onan generator send out an error code?

That may be a bad pun, but it is the truth when it comes to Onan generators. When something goes wrong, the generator will send out a code to tell you the problem. If you blink, you may miss the number of the error code. How to Read Onan Generator Fault Codes: It’s not hard to read the Onan Fault Code blink system, once you get used to it.

What does code 27 mean Onan battery controller?

Code 27 – Voltage Sense Error. What this fault code tells you is that the controller cannot sense the output voltage. Again, this problem may be beyond your expertise to repair. The manual states that the only solution is to go to your authorized Onan dealer to rectify the issue. Code 29 – High Battery Voltage

What does code 12 over voltage on Onan mean?

Code 12 – Over Voltage This problem comes from a faulty inverter and that part is overcharging the generator. The only way to solve this Fault Code problem is to take the generator to a qualified Onan dealer or repair shop. Alternative sources for this code may be a lack of fuel or a clogged filter problem.

How long can a generator run without power?

Some generator models are designed to provide power for up to 8 hours, some for 12 hours, and some can run for quite some time. However, it is not advisable to keep the generator running for an extended period without letting it rest.

When does a RV generator send out a code?

That is when they work like they are supposed to. They provide the power you need to run your RV when camping. But once in a while, your generator may act up and send out a code message. Knowing what the code means and how to fix it is information you need to know.

How to calculate the run time of a generator?

If you want to calculate the run time of your generator, you need to know the energy production of the generator and its fuel consumption per kilowatt-hour (KWH). The fuel consumption of a generator will vary depending on various variables like climate, load, and brands.

Why do I get code 36 on my Onan generator?

One of the main issues with a code 36 is that it is applied to more issues than just the fuel level. It can be signaling a problem for the fuel pump, clogged filter, dirty carb and a lot more possibilities. Code 36 seems to be the catch-all error code and you cannot assume you have the right fix for every time the code flashes.

What’s the average operating time of a generator?

Generators can have different ratings indicating overall operating capacity shown below: Standby – 60 to 70% of the rating for 24-hour periods up to 500 hours per year operating time. Emergency Standby – 60 to 70% of the rating for 24-hour periods up to 200 hours per year operating time.

How often does Onan 4000 microquiet shut down?

Onan 4000 Microquiet. It runs great then just shuts down. SOmetimes it may run for an hour other times it may run 10 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.

What’s the problem with my Onan 5500 RV?

The problem is the Onan starts up and runs for about 10 minutes then shuts down. It will not restart immediately when I try. Just cranks and cranks and eventually I give up. Then I wait about 30 minutes and the gen will start and run for 10-15 minutes and then shut off again. Anyone have this problem? Any ideas?

What to do when your Onan generator shuts down?

The wood absorbs the heat and should help clear the fuel line. Once the line is cleared re-attach the fuel line and start your generator. Another issue may be the fuel pump itself. If you can, insulating it may help prevent vapor lock and other fuel delivery issues.

Why is my Onan generator not producing enough spark?

Second, you can also take the fuel line off the fuel pump and see if enough fuel is getting through to the engine. A third issue may be the armature coil. If the generator is not getting enough spark, then the armature coil may be going bad and not producing the spark you need to run your generator.

Why is my Onan 4000 generator not working?

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When does the generator shut off in an RV?

The generator in my RV shuts off after running for approximately 25 mins, with or without a load. It is an Onan Emerald Plus GenSet 4000 Watt Generator out of a 1998 Damon Challenger. Gas tank is full.

Why does my Onan generator stop running when hot?

Onan Generator Stops Running When Hot Once again there are several possibilities for when this issue takes place. One possible cause, according to the handbook, is that the airflow is restricted and the engine is not getting cooled fast enough. The reasons behind this possibility are that there is some debris blocking the inlet or outlet ports.

Why does Onan power generator start then shut down?

If everything goes smoothly, the rotor of the machine would start receiving DC voltages soon after the rectifier turns on. All things considered, the performance of Onan power generator relies a lot on the smooth cooperation between its various components.

What does the blink code mean Onan generator?

They use a blink and pause design to make their numbered codes clear and not confusing. For example, if the light blinks 5 times then pauses, then blinks 1 more time, that signifies Fault Code 51. To learn more about the different Onan Fault Codes, what they mean and how to fix the problem, just keep reading our article.

What happens if you blink on Onan generator?

If you blink you may miss it. That may be a bad pun, but it is the truth when it comes to Onan generators. When something goes wrong, the generator will send out a code to tell you the problem. If you blink, you may miss the number of the error code.

How to read Onan generator fault code Code 58?

Code 58 – Exhaust Gas Temperature Shutdown What causes this error code is a lean fuel supply, restricted exhaust system, bad ignition system, bad heat sensor, and other issues. To keep your warranty valid, you need to take your generator to your Onan dealer for diagnosis and repair. Code 81 – Exhaust Gas Temperature Sensor Open

What should I do if my generator wont start?

Regular maintenance will ensure that your portable genset is in good working condition. If you only use the generator in the event of an emergency, I’d advise you to run it dry before storing it. Alternatively, you can use a fuel stabilizer in this case.

What does it mean when Onan 5500 shuts down?

The start button will flash on and off a certain number of times after it shuts down. The number of times it flashes determines which code it is giving you. You should be able to look up the code number in the Onan manual or online. That code normally (not always) indicates what is wrong.

What does it mean when your Onan generator flashes 3 times?

Just remember to not over-fill your oil tank. Too much oil is not a good thing When you see this code, it indicates that there is a problem somewhere on your Onan generator. You will get 3 flashes then a pause, then 3 flashes, then a pause and on it goes till you press the button to get the secondary code.

When to take Onan generator to certified Onan dealer?

When you confirm the 31 code, you need to take the generator to the certified Onan dealer to get it fixed Code 32 – Low Cranking Speed This code informs you that your cranking speed is below 180 rpms for 2 seconds.

How can I get service on my Onan generator?

Onan is relying on network of contracted dealers to provide service for most of their RV generators. Service levels vary between mechanics and RV shops. Do your research before you bring in your RV for service. And verify that the RV shop is experienced working with Onan Cummins generators.

What happens when you turn off the genset?

This is what happens when you stop your genset. Pressing and holding the stop switch for a few seconds causes the control board to cut off the 12 volts to the ignition and fuel pump (and/or fuel solenoid valve) causing the engine to stop. On models equipped with magneto ignition, the control board grounds the magneto kill circuit.

What’s the problem with the Onan Cummins Generator?

Onan cummins microquiet generator has a hidden defective part. If your onan generator runs fine then stops, this is likely the free simple fix. It’s incredible how the fix is this simple. Loading…

Why does the Onan 4K generator not have an oil filter?

For example, the Onan 4K generator doesn’t have an oil filter. On the other hand, you have to use the right oil and never use old oil to keep the generator from clogging up. Know the right level of oil, because over-filling will cause the generator to shut off just as too much would.

Why does my generator stop working when I start it up?

There are several sources that may cause this issue to rise up and spoil your day. The first source could be your fuel cap. If the cap is not venting properly, then your generator may stop working soon after you start it up. All you have to do is open the fuel cap a little bit and start your generator again.

What to do when your generator shuts down faster than it starts?

To figure out if vapor lock is the problem causing your unit to shut down quicker than it started, just pull the incoming fuel line off the fuel pump. Make sure to have a bottle handy to catch any fuel that may come out as you do this. Make sure the open end of the fuel line is in the bottle. Once the line is off, turn the engine over.

Is it possible to fix an Onan generator?

In addition to that, you could cause damages if you attempt to fix the machine without proper tools and knowledge. Fortunately, troubleshooting Onan generator is not a difficult task so as long as you could grasp the fundamentals, everything would turn out to be fine.

What does code 14 mean on an Onan generator?

What does Code 14 Mean on an Onan Generator Fault code 14 or error code 14 simply tells you that the engine on your Onan generator is running too fast. You will find that this is the most common error the generator displays. The message you may receive is ‘engine governor unable to maintain rated frequency’.

What happens when you start a generator in an RV?

This is what normally happens when you start your genset. Pressing and holding the start switch causes the control board to send 12 volts to the ignition, fuel pump, choke heater, start solenoid and field flash circuits. The engine then cranks and starts. Oil pressure and generator voltage build up within 1-2 seconds.

What does code 36 mean Onan control module?

Code 36 may be a bit difficult to understand as it is used often by the control module. But the handbook for Onan says that you need to check the fuel supply and fill the gas tank as needed. There is more to learn about code 36 and how to fix what ails your generator.

Why does the control board stop the Onan generator?

Generally speaking, the control board regulates primary functions and the most important one is to keep the unit supplied with enough diesel (or LP gas). That means the board would promptly stop Onan generator from working once it detects shortages of fuel and fuel pressure.

How to service a Cummins Onan diesel generator?

Servicing an Onan Diesel Generator 1 Operation Switch. The Cummins Onan QD generator has an operation switch on its enclosure. 2 Diagnostics. 3 Basic Requirements. 4 Service Interval. 5 Engine Oil And Filter. 6 Correct Engine Oil. 7 Fuel Filter. 8 Cooling System.

When to remove spark plugs from Onan engine?

This is a typical ignition module for an Onan engine. This is a typical ignition coil for an Onan engine. If you are getting no spark at the spark plugs, remove the plug wires

Why does my Onan 4000 generator stop working?

My Onan 4000 generator starts, but dies after I release the start button. Acts like it is fuel starved. Any easy fix? My Onan 4000 generator starts, but dies after I release the start button. Acts like it is fuel starved. Any easy fix? – Answered by a verified Technician We use cookies to give you the best possible experience on our website.

How does the Onan microlite 4000 RV generator work?

Onan Microlite 4000 rv generator runs while start button is Onan Microlite 4000 rv generator runs while start button is depressed but stops when the start switch is released. I have 1/2+ tank of fuel. read more Hank F. Technician High School or GED 16,763 satisfied customers I have a I have a 4KYFA26100K Onan generator. It will run

What happens when you release the start button on Onan?

5k onan gen set starts and runs fine [sometimes] then it 5k onan gen set starts and runs fine [sometimes] then it starts and runs as long as you press stsrt button when you release button you loose spark and engine dies .new board and fuel pump … read more Hank F.

How to reset the error code for Onan genset?

This answer was rated: Onan genset blinks 3 times on start button will not engage… Onan genset blinks 3 times… Onan genset blinks 3 times on start button will not engage solenoid to start. How do you reset the error code? what is the 3 blinks signifying? Rotor 39 ohms field .3 ohm brushes good rotor not grounded field not grounded.

Why does the Onan genset Blink 3 times?

Onan genset blinks 3 times on start button will not engage… 3600 Onan code 32. But have good battery voltage. Fresh I have a emerald plus onan nhe 6.3 that has the dreaded dying after start is released. I need help figuring out if it’s the board or something bigger. … read more

Why does my Onan generator shut down soon after it starts?

But gas issues may not be the only reason why your Onan generator shuts down soon after it starts. You could be having an electrical or carb issue. If it is the carb, then you should have some sputtering before it dies.

Why does my Onan generator keep flashing code 36?

Code 36 seems to be the catch-all error code and you cannot assume you have the right fix for every time the code flashes. Sometimes, the control module does not see the correct voltage for both legs of the generator. When this happens, it still sends out a code 36.

Why does my Onan diesel generator shut down?

I have a 7500 Onan diesel generator that runs for a minute and shuts down with a high coolant temperature fault code, but the coolant level is good and nothing feels hot, just warm. I went ahead and changed the fuel filter and air filter hoping for an easy fix but the same problem exists.

What are the instructions for the hgjab generator?

HGJAA (Spec J-K) HGJAB (Spec J-L) English Original Instructions 12-2018 A035D009 (Issue 12) OperatorOperator ManualManual Onan Generator Set for RV HGJAA (Spec J-K) HGJAB (Spec J-L)

What causes the Onan generator to stop working?

That means the board would promptly stop Onan generator from working once it detects shortages of fuel and fuel pressure. If nothing goes wrong with the board, the regulator should receive field flash voltage and then preserve stable applications of varying loads on the stator.

HGJAA (Spec J-K) HGJAB (Spec J-L) English Original Instructions 12-2018 A035D009 (Issue 12) OperatorOperator ManualManual Onan Generator Set for RV HGJAA (Spec J-K) HGJAB (Spec J-L)

Which is Onan generator set for RV hdkca?

What does hdkca stand for in Onan manual?

HDKCA Spec A−C HDKCB Spec A−C English 12−2008 981−0277 (Issue 4) The following symbols are used in Onan manuals to alert users to the potentially dangerous condi- tions relating to maintenance of equipment and re- placement of parts.

What does the code 3-service check mean Onan generator?

Code 3 – Service Check When you see this code, it indicates that there is a problem somewhere on your Onan generator. You will get 3 flashes then a pause, then 3 flashes, then a pause and on it goes till you press the button to get the secondary code. The secondary code will give you the specific problem that is wrong with your generator

Can a 7000 watt Onan generator run a RV?

The 7000 watt Onan RV generators may seem like they can run everything in the RV, but you can cause it to trip safeties if you try to do too much. The over voltage protections in particular tend to engage when you walk into the RV and turn everything on. Tip 10. Service varies.

What should I know about my Onan 4K generator?

Know the maintenance needs of your Onan generator. Onan has made a number of design changes that simplify maintenance. For example, the Onan 4K generator doesn’t have an oil filter. On the other hand, you have to use the right oil and never use old oil to keep the generator from clogging up.

Check the fuel levels. If your Onan generator isn’t running, it may be because fuel levels are too low. While some RV generators will run until the fuel tank has nothing but fumes, the Onan models tend to stop working when you’re down to a quarter tank. The units that do this are the ones drawing from the gas tank.

What kind of propane does an Onan generator use?

Many Onan generator models can run on gasoline and liquid propane. Their generators are typically compact and relatively quiet. They often sell generators in portable shells that protect them while muffling the sounds it makes.

What’s the noise limit for an Onan generator?

Nearly all Onan generators also meet the National Park Service sound level requirement. That is 60 decibels of noise or less at a distance of fifty feet. These rules may allow you to run your generator later at night in RV parks with noise limits, too, but you should know their rules rather than assuming you’re already compliant. Tip 12.

How long is the warranty on an Onan generator?

Onan warranties depend on the application. For example, it is common to see a three year or 2000 hour warranty on an Onan generator. If you’re running it nearly all day every day, that means you’ve blown through the warranty in a year. Another issue is the application.

What to do if your Onan generator starts then shuts down?

If there is no AC, proceed to check the field flash voltage through the field flash pin of the board. In the case field flash voltage is not present, the control board may be defective. If that happens to be the case, the “Onan generator starts then shuts down” issue could be taken care of by replacing the unit control board.

Why does my Onan 4000 generator not start?

Please try again later. Onan 4000 Generator will not start. Carburetor and wiring diagnostics and troubleshooting Onan Carburetors are to be replaced and not rebuilt. **Onan 4C is no longer available** Watch my Onan 5500 video here:

How to check for Nan code on Onan generator?

Why is my Onan 4000 fault code 36?

The fact that it runs for around 10 min. could also indicate a low coolant level and the electronics control board is over heating and that could also be turning off the generator. Sometimes that board will offer up a 36 code also. This is some information on the QG-4000 unit. There is also a Microquiet 4000 series. Rich. Thanks for your input.

Why does my Onan 7500 generator not start?

I’m not familiar with the Onan Micro 4000 but our Onan 7500 has a series of error codes that display on the start button as flashing lights. The sequence of flashes indicates the code. We had ours act similarly, it turned out to be a faulty temperature sensor that was shutting the unit down, thinking it was overheating.

What to do if your Onan generator brush block is damaged?

To service the brushes, disconnect the field leads from the brush block (located on the side of the stator housing in the generator compartment). remove the mounting screw and withdraw the brush block from the generator end bell. Replace the block if either brush is shorter than 7/16 inch, binds in the brush block or is damaged in any way.

Can a Cummins Onan LP generator be used in a trailer?

The Onan 6500-Watt Propane Generator meets CARB and EPA requirements in all 50 states for motorized vehicle applications including RV motorhomes and truck campers, and for all trailered RV applications. Cummins incorporates a digital voltage regulator, frequency regulation, and two single-pole 30-Amp Circuit Breakers.

What causes a generator to shut down after a few seconds?

With low oil levels, you can start your generator but after a few seconds, the temperature of the oil rises too quickly and it causes the system to shut down. When the oil level is too high, it also causes the sensor to force a shutdown. Mostly generators with low oil level auto shut-down feature turn your generator off.

Why does my Onan micro 4000 generator not start?

Our Onan Micro 4000 gas generator starts fine but won’t continue to run. I have changed oil, spark plugs, given carburetor a several shots of carb cleaner. I am getting good fuel flow beyond the fuel filter to the carburetor, so it isn’t the fuel filter. Now I’m stumped. Help?

What does the 3 blinks on the Onan genset mean?

The 3 blinks is a primary code signifying that the controller has set a secondary code. We need to see what that secondary code is. Go to the genset and use the switch on the set itself. Press ‘Stop’ 3 times within 5 seconds. The light in the switch will start flashing.

Where can I find the Onan service manual?

CUMMINS ONAN DGBB DGBC DGCA DGDB DGCC DGDA DGDB DGDB DGEA DGFA DGFC GENERATOR SET WITH POWER COMMAND 3100 CONTROLLER Service Repair Manual CUMMINS ONAN HGJAA HGJAB HGJAC HGJAD HGJAE HGJAF MOBILE GENERATOR SET Service Repair Manual

What is the service manual for Onan qsj5.9g engine?

Onan QSJ5.9G Engine and PowerCommand 1.1 / 2.3 Control Generator Set Service Repair Manual Onan QSK23G7 Engine (with PowerCommand 3201 Control) Generator Set Service Repair Manual (C800D6RG, C1000D6RG) Onan QSK23G7 Engine (with PowerCommand 3201 Control) Generator Set Service Repair Manual (C1600D6RG & C2000D6RG)

What is the Code 48 Onan generator controller?

Code 48 – Generator Field Sense Once again, the controller is unable to sense a vital part of your generator’s operating system. This time it is the field voltage that escapes its attention. See your authorized Onan dealer to fix this problem.