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Generator shuts down with overspeed alarm

Generator shuts down with over speed indication

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Posted on Jan 02, 2017

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SOURCE: I have a 16Kw generac generator. The unit starts then the engine overspeeds but does not shutdown. The engine starts to exhaust white smoke. I shut it down after only a matter of 2 or 3 seconds for fe

smell the oil to see if it smells like fuel f so the carb needle valve may not be seating

Posted on Aug 18, 2012

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Kleensmaid heavy duty washer by speed queen, washes but shuts down on what seems to be overspeed on the spin cycle


Amazon.com: Customer Reviews: Speed Queen 3.3 Cu. Ft ...

www.amazon.com/Speed-Queen...Washer/.../B004ZO...

Amazon.com, Inc.Find helpful customer reviews and review ratings for Speed Queen 3.3 Cu. ... If you need more water in the tub you can hold down the reset switch until the machine ... I tried the delicate wash and spin cycle, but the clothes retain too much water and ..... It takes time to correlate the number of turns and the direction to turn it.Missing: overspeed

Commercial Washer and Dryer Problems

www.affordablelaundry.com/commercial-washer-and-dryer-problems
The water should shut off once it reaches wash level, if it doesn't, and water level hasn't... (these are the glass type fuses) be sure to turn power off before checking them. ... If you have the voltage in, but not out, it's the contactor. .... We repair: Speed Queenwasher, IPSO washer, Milnor washer, UniMac washing machines.Missing: overspeed

[PDF]View document in PDF


Dec 19, 2015 | Speed Queen Washing Machines

1 Answer

Sir, I had a problem with my 1000kVa diesel engine generator whereby it had tripped on overspeed alarm. After 10 days , fuel injectors got damaged in diesel generator. What is problem & Why fuel injector...


The injectors probably were damaged because the unti ran away, it should have shut down on over speed. If it did not then the sensor and control need checking. I would also check the engine oil to see if diesel has found its way into the sump. If it has then the rings are shot and the unit is "self feeding" off it's own engine oil, and no control signal will shut it down, it needs checking out by a pro, as a runanway diesel is extrememly dangerous in the size you are speaking !

Sep 19, 2013 | Electrical Supplies

1 Answer

Generac Guardian 12 KW Model 04456-2 shuts down on overspeed in cold weather


Leigh,
See my 5/22/12 comments on my "overspeed fault" problem resolution [Generac 43903 standby Generator overspeed indicator on starting] . If it only runs for a few seconds and then quits, you may have a similar condition to the one my unit had. A good technician should be able to diagnose the problem and determine if you have a similar failure to the one I had, or one of the other causes suggested by RSG000.

Jan 20, 2012 | Generac 13,000 Watt / 13,000 Watt Home...

1 Answer

Generac 15000 portable generator: during use the motor revs extremely high and then shut off occasionally.


The reason its shutting down, is probably because its going in to overspeed and the safties are shutting it down to protect the engine. is it doing it under a load or no load.

Aug 13, 2011 | Generac Electrical Supplies

1 Answer

I have a generac 22kw model QT02224anan that will run for a few minutes then shut down , then the over speed led is lit. It only happens when it is under load or during a power outage. it goes through...


its possible the overspeed is set to sensitive. or your rpm are to high. these are preset in the factory as a safety, check your manual to ensure your rpm speed is in the pre set area. generators will do this under load when you have a big load on them or take a load off. the governor will some times over compensate causing it to trip on overspeed.

Aug 10, 2011 | Generac Power Systems Generac QT02224 22...

1 Answer

My 20Kva Generac generator run for about 30 minutes and automaticly shut off. The alarm indicated that the generator has over speed. I don't know where to adjust or set the right hz.


The speed should be such that 60 Hz is generated when under load.

The govenor MAY be out of adjustment.

The speed for 60 Hz should be one of the following:

3600, 1800, 900 RPM

May 07, 2010 | Electrical Supplies

1 Answer

10kw Generac shut down overspeed


Make sure that the throttle linkage is all there and not damaged/misadjusted, then get a manometer and check your inlet gas pressure. Gas pressure should be 8 inches of water column and stay there running or not.

Carl

Apr 06, 2009 | Guardian Electrical Supplies

2 Answers

Generac Guardian 15 kw overspeed fault


Did you remember to set the overspeed shutdown threshold on the control board?

Apr 03, 2009 | Generac 13,000 Watt / 13,000 Watt Home...

1 Answer

Engine overspeed light blinking


Hi there,
You probably have a broken magnetic pickup.
You'll have to reset the generator controller, usually this is just a matter of turning the switch of the off position. On most of the generators I've worked on a blinking overspeed light as opposed to a solid one means that the control board can't detect any speed input. Speed input can be either a wire that comes from the generator output, or a magnetic pickup mounted so that it can count flywheel teeth. You don't say which generator this is so I can't guess any better than that.
Regards,
Carl

Dec 30, 2008 | Electrical Supplies

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