Question about Coleman Powermate 6250
Furnace will not run when plug into the gen
Posted by Anonymous on
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Posted on Jan 02, 2017
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
I have a COLEMAN 6250 Watt Powermate too, and it stopped producing 3 hrs into our blackout. I unbolted the four 7/16" bolts holding the end bell assembly, and looked at the circuit board (bridge rectifier assembly) and saw that 4 of the diodes had melted free from the circuit board. This is a $30 replacement part, and seems to be a common problem with these units. http://www.jackssmallengines.com/coleman_control_board.cfm
Other common and cheap to fix problems may be the brushes are worn out. Unscrew the phillips screws under the plastic tab on the end bell of the generator, and pull out the metallic rectangular posts attached to the copper wires. If they are shorter than 1/4", broken, or uneven, they may need to be replaced. They are about $3 each.
I probably drew too much power from 1 outlet on the generator, and it caused the board to fail instead of tripping the circuit breaker. (BTW, the repair shop told me it would cost $550 to replace the entire rotor/stator circuit board assembly. I have a strong feeling they didn't even look at any of the above parts, because they didn't have a clue as to what they were doing!)
I liken this to taking your car in because it won't start, and the mechanic saying you need a new engine!
Posted on Jun 27, 2009
Fresh fuel? Does carburetor have adjustable jets? Turn the high speed jet (at bottom of float bowl) about 1/4 to1/2 CCW (looking at bottom of bowl). If no improvement, carburetor should be torn apart and cleaned. This also applies if there are no adjustable jets. Is there a fuel filter anywhere?
Posted on Jul 14, 2009
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.
Posted on Nov 23, 2009
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