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Yamaha ef6300isde generator - 30 amp mode - flips to overload after about 5 to 10 seconds. Generator runs well and all other plugs work when switched to 120/240. Any ideas?

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There are several types of overload to consider:
A. Catastrophic: something has gone very wrong. There may be a phase to phase short or two shorts to ground. This assumes you have an ungrounded system. With luck the main circuit breaker will open without destroying itself;
B. Steady state over current: The load on the generator is greater than the rating on the circuit breaker. Time to parallel in another generatoror shed load;
C. Transient over current: Suppose you were running two generators in parallel and one failed. The remaining machine may experience an over current condition that causes the breaker to trip. You can also have transient breaker trips upon activation of a large motor e.g., fire pump or bow thruster;
D.Thermal: There is a big difference in sea water temperature as you travel the world. It is possible to have an overload caused by the diesel engine's inability to shed heat in the tropics. Continued operation could damage the diesel engine. Again, parallel in another generator or shed load.

Posted on Sep 30, 2019

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 96 Answers

SOURCE: overloaded generator

Check a see if it is when the unit is starting up when the over load happens if so you need a hard start kit

Posted on Dec 14, 2008

Anonymous

  • 152 Answers

SOURCE: 20amp or 40amp

Well 20 amps at 120V is only 2400 Watts. So yes each recepticle can handle 20 Amps. For a total of 4800W Continuous. The head room Between that and 5500W is generally for starting motors and inrush currents.

Posted on Dec 23, 2009

jumptrout51

steve

  • 3361 Answers

SOURCE: I HAVE A EF2800i YAMAHA GENERATOR. WHEN I TURN ON

Your generator does not have enough wattage to run an AC.

Posted on Mar 02, 2011

chris logan

  • 13 Answers

SOURCE: I have an overload alarm on my honda eu2000i

it may be a thermal coupler that cuts out when it gets to hot i would let it cool off for a bit then try it with a lighter load and go from there

Posted on Jul 28, 2011

Amador Lopez

  • 1 Answer

SOURCE: Error Codes kde6700ta generator

what code you have???

Posted on Sep 18, 2012

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1 Answer

Yamaha EF6300isde inverter generator is starting to spit oil out the hot air exhaust vent on the back. Not THE engine exhaust, just the hot air vent. Has the single cylinder 357cc Yamaha engine.


If you are referring to the crankcase ventilation, it could be that either the engine is overfilled with oil, or the cylinder could be glazed and the engine requires a moderate to heavy load every so often to prevent this from occurring.

I would recommend that you stick with mineral oil with a grade of 10w/ 30, even better just use the OEM stuff, or Honda 10w/30 is easily available.

Some of these small engines have a chrome bore and do not like synthetic oils, it will cause cylinder glazing and excessive blow by.

Change the oil when it is starting to become contaminated, ie. getting carbon in it, rather than guessing at hours of operation.

If it's not the CCV your referring to, it must be leaking oil from the engine somewhere and blowing back via the cooling fan, this will require a thorough clean and further investigation to diagnose correctly.

Most common areas of oil leaks are the crankshaft seals and valve cover gasket.

I personally would start with an oil change to mineral, and place generator on a loaded circuit for a while, don't kill it just load it, and see if you have any improvements.

Hope you find this helpful.

Feb 21, 2018 | Yamaha EF6300iSE - 6300 watts/52.5 amps...

1 Answer

Yamaha 2400IS Generator goes to overload when ie: 240 volt plugged in, or 700 watt angle grinder plugged in.


No idea but somebody else will probably come along with a better idea then mine, seems a lot of these generators have this thing installed on them (Has $25 hard start kit). Not sure what it does or how it works. Strangely enough you said you use it for 240 volt. Looked at the picture and didn't see a 240 volt connection.
If you are using the what look like the 120 volt circuits you can't over load the unit. Maximum current draw will cause it to go into protection mode and shut down the power load. The following is an exert from the owners manual which I got from Yamaha's site. Link at the end of this post.

Hope this helps


-
16
-
q
760-029
AE00788
Overload indicator light
The overload indicator light
1
comes on when an over-
load of a connected electrical device is detected, the
inverter control unit overheats, or the AC output voltage
rises. The electronic breaker will then activate, stopping
power generation in order to protect the generator and
any connected electric devices. The AC pilot light
(green) will go off and the overload indicator light (red)
will stay on, but the engine will not stop running.
When the overload indicator light comes on and power
generation stops, proceed as follows:
1. Turn off any connected electric devices and stop
the engine.
2. Reduce the total wattage of connected electric
devices within the application range.
3. Check for blockages in the cooling air inlet and
around the control unit. If any blockages are found,
remove.
4. After checking, restart the engine.
http://www.yamahamotorsports.com/assets/service/manuals/0/LIT-19626-01-23_1423.pdf

Jun 06, 2016 | Yamaha EF2400iS Portable Generator

1 Answer

Runs but will not generate power


Make sure the generator breaker switch is flipped on to allow voltage and amps to flow to the recepticals. Otherwise, if the switch is on, then you have overloaded the generator and blown a capacitor, resistor or similar item and the gen needs to be serviced.

Dec 03, 2013 | Briggs & Stratton Electrical Supplies

2 Answers

Generator will not stay running


The toggle switch automatically resets all faults when it is turned to the off position. I would turn the toggle switch off, turn off the breaker on the generator and then turn off all the loads in the house except a few lights. Turn the generator breaker back on, then turn the toggle switch back to automatic. If it starts and stays running, you were overloading the generator. Turn on other loads slowly and keep track of what is on so you don't overload it again. If it still does not stay on, you may have a problem with the panel. Let me know what happens.

Nov 20, 2013 | Briggs & Stratton 15,000 Watt Home Standby...

1 Answer

20amp or 40amp


Well 20 amps at 120V is only 2400 Watts. So yes each recepticle can handle 20 Amps. For a total of 4800W Continuous. The head room Between that and 5500W is generally for starting motors and inrush currents.

Dec 22, 2009 | Tools & Hardware - Others

1 Answer

Overloaded generator


Check a see if it is when the unit is starting up when the over load happens if so you need a hard start kit

Dec 14, 2008 | Dometic Rooftop RV Air Conditioner

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