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Low voltage light flashing

Milwaukee Magnetic Drill 4203 Low voltage light flashing. It will flash plugged directly into the wall socket. New control board 5 years ago. Barely used. I drilled 4 holes last week & low voltage light can on after last hole & hasn't worked since.

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I haven't worked on one of them in years but I looked at a breakdown and the parts are as I remember. Go to Milwaukeetool.com and under parts/service type in your model number and view the wiring diagram for an operational check procedure. I would first look at the cord and is the base sitting on 1/2 or greater plate steel. If rusted or painted you will loose some of the holding force. Also I don't know what motor you have but some of the larger units require a lot of amps to operate and it is possible that even though you plugged it in direct to wall the circuit wasn't sufficient to operate both units. Last resort call the tech dept. at Milwaukee and see if they have any ideas. That panel is a component part as you know and there were no replacement parts for it. Hope this helps if not let me know and I will do some more checking

Posted on Mar 14, 2009

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No 110 voltage


Check the circuit breakers for a tripped one. If all OK, then the brushes may need to be replaced. Here's a tip on how to flash the field in the generator: This tip comes from the Briggs & Stratton Customer Education Department. As an alternative to flashing a rotor winding with a battery applied to the brushes, an electric drill may be used. Follow these steps to flash the generator:
  • Plug the electric drill into the generator receptacle. (Cordless drills do not work)
  • If the drill is reversible, move the direction switch to the forward position.
  • Start the generator
  • While depressing the trigger on the drill, spin the drill chuck in reverse direction. This will excite the field and the generator will now produce electricity. If spinning the chuck one direction does not work, try spinning the chuck in the other direction as you may have the reverse switch positioned backwards.
Use caution not to get your hand or other materials caught in the chuck. As soon as the field is excited, the generator will produce power and the drill will turn on.
The reason this works is because the electric motor in the drill will act as a small generator when spun backwards. The magnets in the drill's motor induce a voltage into the motor windings, which is fed back through the trigger, cord and into the generators receptacle. From there it goes into the power winding of the stator. The voltage going through the power winding creates a magnetic field, which is intensified due to the iron core of the stator laminations. The rotor intersects this magnetic field as it is spun past the power winding, thus inducing a voltage in the rotor winding. Once current flow is present in the rotor winding the rotor has been flashed.
If flashing the field does not make the generator work, you may have additional problems, besides a lack of magnetism in the rotor. Further testing will be needed. Hopefully, this will give a simple way to field flash your generator if needed

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1 Answer

When swicht drill start but no manetism


the magnet is actually dc behind the control panel should be a rectifier possibly soldered to a circuit board it will look like a small black square with four prongs if not that mabe a fuse or an open in the circuit.

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How to flash or remagnitize Coleman Powermate 6875 or Husky 40500


Field Flashing of Portable Generators This tip comes from the Briggs & Stratton Customer Education Department. As an alternative to flashing a rotor winding with a battery applied to the brushes, an electric drill may be used. Follow these steps to flash the generator:
  • Plug the electric drill into the generator receptacle. (Cordless drills do not work)
  • If the drill is reversible, move the direction switch to the forward position.
  • Start the generator
  • While depressing the trigger on the drill, spin the drill chuck in reverse direction. This will excite the field and the generator will now produce electricity. If spinning the chuck one direction does not work, try spinning the chuck in the other direction as you may have the reverse switch positioned backwards.
Use caution not to get your hand or other materials caught in the chuck. As soon as the field is excited, the generator will produce power and the drill will turn on.
The reason this works is because the electric motor in the drill will act as a small generator when spun backwards. The magnets in the drill's motor induce a voltage into the motor windings, which is fed back through the trigger, cord and into the generators receptacle. From there it goes into the power winding of the stator. The voltage going through the power winding creates a magnetic field, which is intensified due to the iron core of the stator laminations. The rotor intersects this magnetic field as it is spun past the power winding, thus inducing a voltage in the rotor winding. Once current flow is present in the rotor winding the rotor has been flashed.
If flashing the field does not make the generator work, you may have additional problems, besides a lack of magnetism in the rotor. Further testing will be needed. Hopefully, this will give a simple way to field flash your generator if needed - Bruce Perrault

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1 Answer

When turned on in forword the buzzer comes on like the magnet is not turned on. runs fine in reverse


could be a couple things, what thickness material are you trying to drill?? Also if the for/rev buttons are jammed this could cause this, check for low voltage, usually when the buzzer does sound the magnet is not energized and it could be a faulty panel that would need replaced. this tool has a limited 5 year warranty. Let me know what you find and I will try and help more

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1 Answer

I have a mc5500 generator that worked fine about a year ago. I started the engine yesterday and ran fine, but no power. I feel that the thing needs to be field flashed. I have searched the web and found...


My guess is that the board or rectifier is your problem. To Flash it you would have to unhook the board and flash it through the wires coming directly from the stator.

Nov 27, 2009 | Electrical Supplies

1 Answer

No high voltage output


If you can't get power to flow once generator starts, try this...

Look in the manual. There is likely something about field flashing the magnetic field2.gif. According to the Briggs and Straton web site (similar solution for all generators), the easiest way to do this is to.
1) start the generator
2) plug an electric drill into the generator (without drill bit)
3) make sure drill is set to forward direction (if a reversable drill.
4) pull the trigger on the drill.
5) If the drill does not start, spin the drill's chuck clockwise (When looking down at the chuck from the drill bit end). Spin counter-clockwise if holding it like a pistol and pointing away from yourself.
6) Do this several times (hard) until the the generator will kick in and suddenly make the drill spin at full speed.
Be careful not to drop the drill or poke someone with it as you celebrate success.

Nov 17, 2009 | Coleman Electrical Supplies

1 Answer

Generator starts with and runs great, but theres no current on my toy hauler


Johnny,

If generators are not used regularly, they need the their magnetic field to be charged (or flashed). This can be done by plugging an electric motor into the socket while the generator is running and spin the motor by hand. The hand-spun motor will push some electric current back into the generator and magnetize it enough to start it.

Look in the manual. There is likely something about field flashing the magnetic field2.gif. The easiest way to do this is to.
1) start the generator
2) plug an electric drill into the generator (without drill bit)
3) make sure drill is set to forward direction (if a reversable drill.
4) pull the trigger on the drill.
5) If the drill does not start, spin the drill's chuck clockwise (When looking down at the chuck from the drill bit end). Spin counter-clockwise if holding it like a pistol and pointing away from yourself.
6) Do this several times (hard) until the the generator will kick in and suddenly make the drill spin at full speed.
Be careful not to drop the drill or poke someone with it as you celebrate success.

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1 Answer

No voltage output


Look in the manual. There is likely something about field flashing the magnetic field2.gif. According to the Briggs and Straton web site (similar solution for all generators), the easiest way to do this is to.
1) start the generator
2) plug an electric drill into the generator (without drill bit)
3) make sure drill is set to forward direction (if a reversable drill.
4) pull the trigger on the drill.
5) If the drill does not start, spin the drill's chuck clockwise (When looking down at the chuck from the drill bit end). Spin counter-clockwise if holding it like a pistol and pointing away from yourself.
6) Do this several times (hard) until the the generator will kick in and suddenly make the drill spin at full speed.
Be careful not to drop the drill or poke someone with it as you celebrate success.

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1 Answer

Flashing green light


i loose vga video controller

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