Question about Coleman Powermate 7,000 Watt 13 Hp Portable Generator #PM0497000

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No ac current

I have ec5000dv e generator and not getting any ac voltage

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  • clongsue Feb 01, 2009

    I HAVE A COLEMAN 5000 WATT MODEL PMO525202.02 SER. 81331086-NEO WAS WORKING FINE AND SHUT IT OFF TO REFUEL AND IT STARTED BACK UP BUT NO VOLTAGE ,HAVE PUSHED RESET BUTTON BUT NO VOLTAGE FROM PLUG IN. CAN YOU HELP US WE HAVE NO POWER,WATER OR HEAT AND MAY NOT FOR A MONTH.
    THANKS
    CHARLES LONG @

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Check wireing brushes...
and check AVR...they r the main causers of ac cut-offs

Posted on Oct 16, 2009

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GA1400A generator,engine running well, but no electric output! Can you help me please!


Probably has lost exciter current. It can be restored : take wires from a 12 volt battery, use something like 16 or 18 gauge, and with generator running insert bare ends into the AC outlet - one to neutral and one to hot (doesn't matter which is positive or negative). Insert and remove quickly. There should be a flash and current restored. If not, do it again until you get that flash. Once you have that, the exciter current is restored and you will now have power. The reason for the light gauge wires is if you are too slow to remove the wires and AC is restored while still connected to the battery, the wires themselves (or one of them) will burn out and protect the battery from AC current. So be careful! I assume all breakers on the unit are on?

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Breaker keeps tripping on generator when I turn on ac in travel trailer


4KW is marginal for HVAC compressor. Breakers get weak with time. Assuming th gen is running properly and the correct voltage is available. A HVAC unit can take 6 times the start current than it takes to run, so it is possible the inrush is too much

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How can i go from a 4 prong 220v outlet generator to a 3 prong 220v plug for oversea appliances


Last time I was in europe, they were using AC current at 50 cycles.If you check the specs. on your genset I think you will find it is a 60 cycle AC generator. If I am correct,you can slow down the genset to get the 50 cycles needed but then you would need to adjust the field excitation to get the voltage back up. Then change the outlet to a european type that you should be able locate on line or through an electrical supply house.

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1 Answer

I have a briggs and stratton 8500/5500 generator which I am using to power an air conditioner on a camper trailer. I just recently started having a problem where the one circuit breaker keeps tripping when...


Hello, First figure out what the load per leg is on your generator. Are you using the 240 Volts because this is two 120 AC volts legs and they are 120 degrees out of phase with each other.

You will need to figure what the power factor is for each phase on this generator. To figure the power/wattage by using ohm's law. Voltage times Current will give you Watts. Example: If the generator is generator 240 volts the maximum current available is about 23 amps. The maximum current for 120 volts will 46 amps. Therefore, the maximum current per 120 volt circuit is 23 amps for one circuit and 23 amps for the second 120 circuit..

I would try replacing the circuit breaker with the same amperage breaker. Also, watch what the generator load is per circuit. You can install current meter for each circuit. This will give a good indication of which circuit is pulling more load than the other circuit. GB...stewbison

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1 Answer

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 cold...in 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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1 Answer

We have a Valsi 5500 watt generator that isn't putting enough voltage out to run everything in out small travel trailer. It runs the lights but doesnt push out enough voltage to carry the A/C, microwave,...


How long have you had this generator?
Has the generator worked on all of these loads before?
Model 5500 is a 5500 Watt generator which could easily be 5500 watts (Peak) and not continuous.

Your AC is an inductive load.
Your lights are resistive loads

An inductive load can cause issues when starting due to an increased current demand at start up that some generators cringe under. Do the lights flicker or are they stable? I'd say your diodes on your stator are working if you have light stability but you haven't provided nearly enough information for a detailed solution.

I'm sure you have enough voltage but you aren't getting enough current to run specific loads. How many watts is your AC? How many watts for your microwave? Both of these units demand a great deal of energy to run and when you place too much demand on your generator, it will choke it out and eventually, will cause damage to the generator. You may consider getting a beefier generator with a greater amount of wattage output.


Seeing these specs online and noting what you are trying to run, you have an undersized generator and need to get one that can produce a greater amount of running wattage (as well as peak wattage).

Apr 12, 2011 | Watts Onan Portable Generator - 4000 ,...

1 Answer

What servicing can I do for my generator which has not been used for 2 years now YAMAHA GENERATOR EC5000DVE


change the spark plug clean the fuel tank replace filters and oil change fuel line if cracking or stiff.
remove carb bowl clean out with carb clean remove any sch-lack from old gas run and test power.
hope this helps

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1 Answer

Briggs and stratton generator keeps throwing the circuit breaker


Power tools CAN draw heavy loads if the voltage or frequency is off. Both of those CAN be a fault of the generator.

Check the frequency by plugging in a clock with a moving second hand and time it for 10 minutes against a quartz clock. ALSO do a voltage check with another voltmeter.

The 5500 Watt generator should hold 40 amps. Power tools with induction motors like some table saws take a large starting load near this value AND would be sensitive to low voltage AND especially low frequency, both of which will cause much higher current draw.

One MIGHT have to resort to put an oscilloscope on the output to make sure the waveform of the AC output is normal..

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1 Answer

6000w gas generator putting out low voltage


Your voltage regulator is at fault. Make sure you replace it with the exact same brand name and serial number or you will burn out the generator.Thank you, Dana

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1 Answer

Honda EMS 4500 Generator - High Voltage Problem


As far as I can tell on the wiring diagram for this generator there is no voltage regulator unless it's incorporated with the auto throttle unit.
To lower the voltage you need to lower the speed of the generator engine. To do this there should be a screw on top of the engine under the tank when your facing the recoil. This screw presses on a arm that controls your governor. Turning it in (righty tighty) will increase rpms, turning it out will lower them. You should see the voltage change on the voltmeter.

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