Question about Coleman Powermate Premium Plus 6250W Portable Generator
The generator starts up and runs but will not produce electricity, someone told me its a electrical board and it is not worth fixing.
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
Posted on Nov 15, 2013
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Posted on Jan 02, 2017
To flash fields the genset has to have rings and brushes. The ring towards the bearing or towards you is positive and the back ring is negative. The rings and brushes are on the rotor, which is the part that spins on the generator end. Place a volt meter on the outlet, start the genset, with a 12V battery apply the positive to the front ring and the negative to the back ring. The voltage should climb up to about 50 - 100Volts or more. If this happens then you will need a Voltage regulator. If voltage does not climb up, then check the rings and brushes. Make sure the brushes have a good length and that they touch the rings and make sure the rings have a shiny copper color to them, if they're black clean them with emory cloth until there is a nice copper color and try flashing the gen again. If nothing happens then you need a new generator end or new generator, which ever you prefer. Make sure to use rubber gloves when flashing and look out for rotating parts.
Posted on May 20, 2009
I posted a general "how to" about troubleshooting Powermates here.
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Posted on Dec 05, 2008
To flash the excitor circuit on a coleman ( the generator is built by generac) you need a 12 volt battery. You quickly apply 12 volts via your 120vac recepticals. NO MORE THAN ONE OR TWO SECONDS! Then check you ac voltage. Most of the time the brushes are burnt up when voltage is low. Check the brushes first. You can access them by taking the end cap off of the generator via two to four screws. The brush holder is easy to spot, two wires leading to the front of the amature. Hope this solves your problem.
Posted on Mar 30, 2009
There is a electronic module that senses load current that pulls the throttle up for high RPM. Fine the module and look it over, you may need to replace it.
Posted on Jul 04, 2009
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