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My powermate pm0545002.02 will not put ouy any current or voltage while running.Cound this be the capacitor

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1 Answer

High voltage?

Make sure the engine RPMS are correct, and change the capacitor in the end of the alternator cover

Jul 24, 2013 | Coleman Powermate Powermate 5000W...

1 Answer

Coleman powermate generator won't generate

Check rotor again and measure to see if you have DC voltage on the brushes while running. If no then suspect capacitor

Nov 11, 2012 | Coleman Powermate Powermate 5000W...

1 Answer

Starts fine. Replaced the capacitor on advice of technician. Still no electricity

its probably not a capacitor, it may be a voltage regulator. there is a way to tell, but you need to no a little about it. if you can locate your field wires (exciter) they may be marked f+ and f- remove them of the regulator, take 12 volts DC B+ and B- and touch them momentarily to the field wires, if you see your volt meter jump. then your problem is most likely the voltage regulator, if it doesn't then your problem could be in your motor windings. this is called stinging the generator this puts back its residual voltage,

Aug 11, 2011 | Coleman Powermate Powermate 5000W...

1 Answer

Model pm0525312.18 serial 914080230 engine runs good but the voltage drops of from about 125volts to 90 volts when you put on about 1500 watts. does this model have a voltage regulator? what is a bridge...

According to the parts pdf, there is no voltage regulator. Voltage is adjusted by the rpm of the engine. If your have a meter that reads hertz (Hz), you can set the engine rpm by adjusting hertz to 60 cycles (Hz). At 60 cycles the engine is running at about 3600 rpm. Most engines develop their max horsepower at this rpm. If you are loosing power/voltage and the engine speed is not dropping below 3600, than most likely could be problem with capacitor, brushes or diode (bridge diode). The diode converts ac voltage from stator to direct current to power the magnet (rotor). Check for brush wear and test capacitor for value printed on part. It should test with 5% of stated value. Diode can also be easily tested with meter. Good holidays

Dec 05, 2010 | Coleman Powermate Powermate 5000W...

1 Answer


new one, make sure it runs about 1800 rpm and not idle. old ones can be that the capacitor not working any more measure capacitor or try other one. just to try the value is not very important. when you have about correct voltage order right one.

Feb 08, 2010 | Coleman Powermate Powermate 5000W...

1 Answer

Powermate model 544000 generator undervoltage

There are basically 2 possibilities that can cause this.

1) Enigne RPMs are too low. but, since you already played with the throttle, this probably isn't the case. RPMs should be about 3600 though.

2) The voltage regulator / capacitor has high ESR (resistance) or is bad altogether. Replace.

Jan 01, 2010 | Coleman Powermate Powermate 5000W...

4 Answers

I have a Coleman Powermate 6250. Runs Great, No power to outlets!

Excite the genset.

with the gen engine running,
1) plug a 3/8 drill into an outlet,
(make sure the drill is set to the forward rotation)
2) hold the trigger in the run position
3) by hand, rotate the drill chuck with a quick flip of your wrist.
*** NOTE: BE PREPARED !!! this will excite the gen-set and the drill will start to run as normal.

Oct 07, 2009 | Coleman Powermate Premium Plus 6250W...

1 Answer

Need to know the Voltage on the capacitor its 130 micro farads but i cant read the voltage details ,can any one Help ,unit has dried out and when you shake the capacitor it rattle.

if the capacitor was connected to a 240 volt circuit, you need to buy a capacitor rated for 300 volts or more. Shop for a 130 mf rated at 300 volts or more

Aug 27, 2009 | Coleman Powermate Powermate 5000W...

1 Answer

PM0435003 Powermate - Damaged Capacitor on Board.

Yes, having a leaky capacitor in there could prevent the generator from making electricity. This capacitor is the voltage regulation on brushless generators, and it's the smoothing cap on the models with brushes. I wrote a somewhat long explanation of how to troubleshoot powermate generators that may be of help.

Since writing that post I've found that the Pramac company has started suppling parts for powermates, you can find them at One used to be able to obtain a brand new board from the company but not any of the individual parts. If you're going to go the "Radio Shack" route, I suggest that you also check all of the diodes on the board, they may have been spiked when the generator shut down under load. I wouldn't think your stator windings or your rotor windings got hurt, but since you've go tthe thing apart it can't hurt to check them.


Dec 13, 2008 | Electrical Supplies

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