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Generator has no electrical out put - Yamaha Electrical Supplies

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Usually if a generator sits for awhile, it will lose its polarity. A quick check for this is to plug in a drill, start the generator and turn the the voltage on has if to use it, then turn the drill chuck has quickly has possible. This action re-polarizes the generator unit. I would also make sure the circuit breakers are seated down.

Posted on Nov 15, 2010


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Anyone know how to fault find a 1968 C6tfl powered petbow generator 3 phase 187.5kva that only generates electricity when it feels like it!!??? - power across 2 phases drops to between 80-245 instead of...

Did you exercise the generator or did you only start it during a power outage. If you don't put a load on the generator, when you need it you will get the problems that you have. Most generators this size have a resistive load bank that puts a load on the generator to exercise it. If you don't have a load bank to exercise the generator, turn your main off and let the generator take the load on at least once a month. This may solve your problems.

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I have a generator that's not putting out electricity. What would cause this

Tripped circuit breaker, worn brushes. It would be nice if you told us what make and model number your generator is so a better answer can be given.

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My north star 5500 generator starts but does not put out any electricity through the plugs

Check the connections between the alternator (generator) and the regulator/output connectors.

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Generator will not put out electricty

I would recommend you take it to someone who can diagnose it for you. it could be, but it could also be many factors. It maybe worth a $50 diag fee. Causes can be too numerous to post

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DBSI325 will not put out voltage

Most of the problems like this are due to a failure of retention of the magnetic field to allow it to build up. Search Google for methods to "flash" the field. If you have had an accident of shorting or putting excessive load on the unit, rotating diodes of a brushless generator can be blown. Of the methods of flashing fields of the generators, I have had the most success with the method using TWO light bulbs in series between the utility mains and the generator. PLEASE be careful when doing this or handling electrical equipment where high voltage is present.

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The generator kicked the breaker of and was smoking and smelled like electrical

What type of load (electrical) was hooked up to this generation?? If the surge voltage and current was exceeded above the generator maximum for any length of time. There problems, it could be the regulator, insulation burnt off the windings.

I am taking a guess here. Now, 7100 Watts is it typical surge wattage. This mean that the generator will deliver 7100 Watt (voltage times current) this is know as the power factor. The actual operating load would be 6800 Watts and I would even operator the generator at its peak wattage. Something in the neighborhood of 10--15% less the peak wattage. Therefore a good positive theatrical Wattage would be 5800 to 6350 operating wattage. Then this generator would run all day.

Just remember Ohm's Law. Current plays a big factor in loading of a generator while the operation voltage is at 120 AC Volts. Example: electric motor; Now electric motor when starting will pull three time its operation current. Operating current for a 1/2 HP AC motor is 6 amperes but start this electric motor will require 18 amperes. This is one reason why they starting capacitors on smaller electric motors. Larger three phase electric motor can literal stop a generator its tracks. It put such a large demand on the generator it stops the engine powering the generator. I have seen crankshaft break because the generator could handle the heavy current load.

Remember, any time you are running a small gas powered generator. All ways figure what the load and surge current load will be before hooking up any generator. Normally this is figured in VA (volt/amps). Wish you lock. GB...stewbison

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I have a situation where it worked perfect (output) , went to use it other day....only puts out half output. when i go to plug a drill, it revs up, but wont turn the drill or anything else ...

first need to check and see how much electricity it is making or its out put it should be 120 volts,,,sounds like it is not making enough electricity check all electrical connections,,,something is loose

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Homelite portable generator, out put fr unit..has been discontinued fr a few parts available..known fr circuit board dad's , maby 50hr on can I bypass..or obtain...

If the engine is running but no output from the plugs....the VERY common problem is loss of magnetism in the generator after storage.
With the generator off.........
Look at the side of the generator you see a small + and - on any terminals?
You may have to take a cover off.
Take a 9 volt battery and momentarily put current from this small battery through these terminals.
Now.....start her up and check for power at the plugs.
This fixes 75% of "no output" after being "stored" generators.

Sep 09, 2009 | Electrical Supplies

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