Question about Coleman Powermate Premium Plus 6250W Portable Generator
Moter runs fine but no electricity
I had the same problem on my Powermate 525500 (5500 watt) and finally manage to get in contact w/Powermate (PRAMAC) tech support. He told me that if the gen is setup for a while, the exciter loses it's magnatism. To reenergize ( jumpstart) as he called it, follow the prcedure below. Probably not for amatures.
1. start up the generator.
2. Pull off the brush cover on the end of the gen.
3. Get a 6-12 volt battery and setup w/color coated cables.
4. place the negative lead on the left side brush terminal and tap the right side brush terminal w/ the positive lead.
5. Wala....you sould have power.
One would think that this important info would be on the manual or a blog somewhere.
Good luck and have a wonderful day.
Posted on Sep 20, 2008
The most common problem is the capacitors blowing. This is the round (usually white in colour) barrell shaped device usually found in the end cap of the alternator. It will have two wires attatched to two of four pins. I would advise that you check the voltage at the end of the alternator first to eliminate a wiring problem. The capacitor can only be tested with the correct equipment but changing it should solve your problem- 75% sure.
Posted on Sep 18, 2008
I purchased my Coleman 7500W generator about ten years ago as an emergency power source. Went to use it after our mini-hurricane here in Cincy took out the power. Finally got the engine running after replacing the dead battery, but it still wouldn't generate electricity. Thanks for the posted solutions! The one about the capacitor pointed me in the right direction. On mine, it's on the bottom of the unit. Removing the four long bolts that hold together the housing for the motor windings, brushes, bearings, etc, I found the capacitor (about an inch diameter and two inches long). One of the wires had come into contact with the rotating shaft, which wore through it and opened the circuit. Reconnected it, put it back together, started it up, plugged in an electrical device, and the thing worked!!! . . . Did the happy dance and went inside for a Miller! Too bad all this occurred AFTER only after lotsa spoiled food, due to almost a week of no power, during which I could find no one to work on the generator in the Cincy area. Well, it's fixed now! Bring on the wind now. I'm ready.
Posted on Sep 20, 2008
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