Generator High Voltage
 

Generator High Voltage

Started by Lin, July 25, 2012, 10:34:03 AM

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Lin

I got an A6 error message on our Norcold frig a couple of times.  This was even though the frig was running on propane.  I checked the voltage at the generator plug.  I got 127 on one leg, 130 on the other, and 246 with both.  First, if that likely to cause any problem with the air conditioners, which seem to run fine.  Second, is the easily adjustable on a Kohler L654 generator.  The manual I have only seems to cover the engine.

I figure that I will just unplug the 120v from the frig.  I know that it needs 12v to function, but it should be able to work fine without a 120 connection.

BTW, those generator readings were completely no load.
You don't have to believe everything you think.

opus

1995 BB All-American - A Transformation.

Ncbob

Lin, there should be a Pot (potentionmeter) on the Voltage regulator which should allow you to reduce the no  load  voltage. You might, however, wish to check the generator speed with a frequency meter to make sure it's not overspeeding and giving you the high voltage. That's the most common problem.

If you have access to a Fluke 72 it will tell you the Hz.Or a vibrating reedmeter
just set on the genset (without connecting it electically) will tell you the Hz.

61Hz, no load is just right.  Wish you well.

NCbob

uncle ned



Good evening you other old crudgmin person.  good to see you are still kicking around.

uncle ned
4104's forever
6v92 v730
Huggy Bear

buswarrior

Another excellent use for a Kill-o-Watt.

I bought two.

An absolutely must have for the busnut trying to design an electrical system.

How much power does an appliance really use in a day? The label won't tell you that.

This thing will tell you.

An electric refrigerator, the coffee maker, the microwave, lighting, your computer, whatever...

http://www.p3international.com/products/special/p4400/p4400-ce.html

I bought mine via Newegg.

In Canada: http://www.newegg.ca/Product/Product.aspx?Item=N82E16882715001&Tpk=kill%20a%20watt

In the USA: http://www.newegg.com/Product/Product.aspx?Item=N82E16882715001

No more guessing, much more accurate estimates without an engineering degree.

happy coaching!
buswarrior

Frozen North, Greater Toronto Area
new project: 1995 MCI 102D3, Cat 3176b, Eaton Autoshift

Lin

Just to let you know--  Since I was on the road and did not have time or the type of test equipment required, I did the simplest thing that was suggested which was to turn back the rpm a little.  The no load voltage was then 123v. It seems to have worked, and there was no error message for the rest of the way home.
You don't have to believe everything you think.

pvcces

And of you happen to have one, an ordinary, old style electric clock will get you a dead accurate reading.

Just let it run for an hour; the number of minutes indicated equals the line frequency.

For what it's worth.

Tom Caffrey
Tom Caffrey PD4106-2576
Suncatcher
Ketchikan, Alaska

Lin

Cool tip, Tom.  I have an electric digital clock to try it with.
You don't have to believe everything you think.