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.

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

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 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.

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

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.

What to do if your generator has a blink code?

Turn the generator off and wait for at least 2 minutes before restarting. The governor has one wire to the controller and one wire for ground. If either one is loose, that will trigger this code. All you have to do is tighten the loose wire and you should be good to go.

When do fault codes 3 and 4 stop blinking?

•Note: Fault Code Nos. 3 and 4 are first level faults. Avoid interpreting them as second-level Fault Code Nos. 33 and 44, which have not been assigned as fault codes. Restoring Fault Code Blinking – The fault code stops blinking after five minutes (15 minutes, Series HGJAA). Press Stop three times within five sec- onds to restore blinking.

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.

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 does it mean when the genset controller blinks?

The genset controller provides extensive diagnos- tics by causing the status indicator light on the Con- trol Switch to blink in a coded fashion. Following a fault shutdown, the indicator light will repeatedly blink 2, 3 or 4 blinks at a time. • Two blinks indicates a low oil pressure fault. • Three blinks indicates a service fault.

Why does my generator run for a few seconds then stops?

Low Fuel – Sometimes a very minor problem like less fuel in the fuel tank can also cause your generator to run for a few seconds and then stop. The generator may have enough fuel to get started a couple of times or run without the loads but when you out the loads, it stops.

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 do if my portable generator wont start?

A small current from a battery can quickly resolve this problem. Field flash is a simple jump starting technique used in case a portable generator fails to start normally. Use a battery and connect the wires from the generator to the battery correctly (negative to negative, positive to positive, wires are usually colour coded).