Question about Refrigerators

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D voltmeter of my 3.5KVA generator stays @ 230v while it is running on bulbs, tv & fan but drops to zero (and everything goes off) once I put 'on' my refrigerator. It returns to 230v if I put it 'off'

Posted by Anonymous on

  • Thywill Apr 29, 2017

    I forgot to add: the generator rpm seems ok because the engine doesn't stop at all; it continue to fire. But the voltmeter drops to zero and the power will go 'off'. Put off the refrigerator, it returns to 230v and power is immediately restored.

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  • Master
  • 3,828 Answers

Adjust the governor on the motor
or the generator cant take the max load anymore

do your
sums again must be close to the 3.5 kva with that lot on

Posted on Apr 29, 2017

  • 1 more comment 
  • Thywill Apr 29, 2017

    will the governor be responsible?

  • magna buff Apr 29, 2017

    a fridge is not constant voltage draw like bulbs and TVs the fridge compressor kicks in and out .via thermostat i dont know the motor size or draw that fridge is when it kicks in each time

    ..what is supposed to happen ..
    ......when more load is applied to the generator ... the Governor responds and increases the revs on the engine to get the generator to generate more electricity ...if the generator cant make more volts the lot needs a service

  • Thywill Apr 29, 2017

    Hello Sir... The governor is not responsible. I tried adjusting it; got 260v on voltmeter. But once I power bigger appliance like refrigerator, the meter drops to 10v.
    Anyways I checked the AVR; it was very hottttt!!! The capacitor looks swollen. Without wasting further time, I got another AVR, adjusted the potentiometer and wow! The refrigerator, cooker & all appliances powered 'on' effortlessly.
    Thanks magna buff for finding time to help. I am grateful.

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if you checked with a volt meter and there is no power then youhave a bad relay in the frirge

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Hi,
If this generator has been stored for any length of time with fuel in the carb you probably have a plugged main jet in the carb. As joboo1 says there are a few other things that could cause this behavior, but most often I see dirty carbs, water in the fuel, and plugged/dirty air filters. Get a flashlight and look into the fuel tank thru the filler hole, if you see anything floating in there you've got water in the fuel. Look at the ari cleaner, oil and fuel on the element indicate a dirty carb. Of course check the oil level. Lastly, take the bowl off the bottom of the carb (shut off the fuel valve first), if you see debris in there the carb needs a good cleaning.

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Sounds like your ignition board is not working.
Aftermarket ones have a common automotive fuse.
Have a look at the following on line so you know what you are looking at in your unit.

Dinosaur electronice makes a UIB ( universal ignition board ) that will fit just about any fridge.
about $100 online. $250 where I tried to buy one at a rv place.

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