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Charger model FY 4101 green light stay lite all the time, and hoveround battery is still dead

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  • JimR Sep 13, 2012

    This continuous green light with a dead battery also may be caused by a broken wire in the battery box, or in the charger cable.

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When the green light stays on regardless of dead battery, this means the battery is defective. The battery must present a load to the charger, which causes the charger voltage to drop, turning the charger on. When the battery is defective, it will not load the charger, and the charger voltage stays at full charge value. This of course, causes the green light to be switched on.

Posted on Sep 13, 2012

  • JimR Sep 13, 2012

    When the green light stays on regardless of dead battery, this means the battery is defective. The battery must present a load to the charger, which causes the charger voltage to drop, turning the charger on. When the battery is defective, it will not load the charger, and the charger voltage stays at full charge value. This of course, causes the green light to be switched on.

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SOURCE: need to diagnose and repair hoveround battery charger

check current output of charger to see if it makes info on back mostlikely charger went bad

Posted on Jul 06, 2009

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Power lights will not come on/ wheel chair will not go/ charger light is green


Unfortunately your batteries are either disconnected or dead, below charging threshold of 16v. Time to check the connections and/or replace the batteries.

May 30, 2014 | NRS Hoveround MPV 5 - Used Power...

1 Answer

My uncle left my hoveround chair out in the rain is this the end of my chair? when i plug in the charger the light on the charger lights up green but the chair wont come on


Angel the charger light should only turn green when the chair is fully charged. If you know the chair isn't fully charged then there is a problem with the charging system. if the circuit board in the joystick got wet then that is a serious problem. If you have a voltmeter you can check the battery voltage thru the charging port located under the front of your joystick Set the meter to 200 volts dc and plug the leads into the 2 outter holes of the charger port. Fully charged you should read 27-30 volts if you aren't getting any reading then the batteries are completly dead or there is a problem with the charging circuit (the reason you are getting a green light on the charger) The joystick will have to be replaced sorry If Medicare paid for your chair then they will pay 80% of the repair costs to get your chair working again If they did contact Roadrunner Mobility @ 1-800-467-2668 to get it fixed thru Medicare Hope this helps

Apr 27, 2011 | NRS Hoveround MPV 5 - Used Power...

1 Answer

My Hoveround MPV5 batteries will not charge, do you think it is a battery problem or a charger problem?


If you plug the charger into the wall, turn on the power switch and the light comes on, the charger should be working properly. Here is a way to test it-
Attach the charger that came with the power chair to the power chair controller firmly and turn the power chair on, while the charger is running. What should happen:the lights on the controller will scroll back and forth. If this does NOT happen and you can confirm the charger is turned on, the charger handle is fully seated inside the controller receptacle and the wall outlet has power, then the charger may have a problem and needs to be replaced.

If the charger is OK, then there may be a problem with the batteries. Here are some sypmtoms:
1-You connect the charger but the light on the charger never goes red, it just stays green.
2-You connect the charger but the light goes from red to green VERY fast.
3-The charger light goes from red to green but when you disconnect the charger and press the power button on the controller, you only have one flashing red light, or the batteries drain within just a few minutes of use.
4-The power chair has been stored or sitting idle for several months.
5- The power chair has been connected to the charger 24-7 for several months.
Any of the above examples indicates that the batteries are oxidized or damaged and will most likely need to be replaced. The MPV5 takes two, U1 12 volt 33 amp batteries which can be purchased at any battery warehouse store like Interstate Batteries or Batteries Plus.
Good luck!

Nov 30, 2010 | NRS Hoveround MPV 5 - Used Power...

1 Answer

Battries are not charging


Has your power chair been stored usused for a while? If so, unfortunatly, your batteries need to be replaced. The batteries contain a gel that needs to have current run through it on a regular basis (at least 8 hours once a week) or it will solidify. If you attach the charger, what will most likely happen is the green light will either stay green or go to green after a very short time. The charger will indicate the batteries are full, but instead of being full of power, they are full of crud. Your warranty will most likely not cover replacment as this is due to customer neglect, but your insurance may still cover the replacement if you can wait for the process to go through. Otherwise, you will need to replace the batteries on your own, type U1, 24v 33 amp. Good luck!

Oct 12, 2010 | NRS Hoveround MPV 5 - Used Power...

1 Answer

With new batteries, chair has no lights, Out of service for approx 1 year. Worked when parked.. What do I look for next?


Unfortunatly, your batteries need to be replaced. The batteries contain a gel that needs to have current run through it on a regular basis (at least 8 hours once a week) or it will solidify. If you attach the charger, what will most likely happen is the green light will either stay green or go to green after a very short time. The charger will indicate the batteries are full, but instead of being full of pwer, they are full of crud. Your warranty will most likely not cover replacment as this is due to customer neglect, but your insurance may still cover the replacement if you can wait for the process to go through. Otherwise, you will need to replace the batteries on your own, type U1, 24v 33 amp. Good luck!

Oct 08, 2010 | NRS Hoveround MPV 4 - Hovaround Used...

1 Answer

I've been charhing the battery for 48 hours and no charge! any answers?


Kw How old are the batteries and have they been sitting up for a long time? If this is the case the charger cannot pick up really low batteries and charging them for 48 hours won't help. Unfortunately you have to get 2 new batteries. Your chair requires 2 U1 batteries. Now if the batteries are fairly new and when you plug the charger into the joystick you should be getting a red light and a yellow light on the charger. When fully charged the yellow light turns green. If you have both lights and it never turns green bad batteries if no lights or just the power light bad charger, If you have a digital voltmeter you can set it on 200 volts dc and place the leads in the two outter charger plug holes on the joystick. It should read the battery voltage fully charged 25-27 volts HOPE THIS HELPS

Sep 06, 2010 | NRS Hoveround MPV 5 - Used Power...

1 Answer

The battery wont stay charged .when you plug it in to charge the green light comes on ,when fully charged the red light is on,when you turn it on no power


If the charger is automatically giving you a green light when you plug in the charger, the batteries are most likely damaged and will no longer take a charge. This can happen when the power chair is stored and the batteries are not charged for a while. The green light on the charger indicates the battery is full, but instead of being full of power, its full of crud. Try to replace the batteries and see if that will solve the problem.

Mar 30, 2010 | NRS Hoveround MPV 5 - Used Power...

1 Answer

Hooveround MPV won't move


Most likely either one or both of the batteries have a dead cell. Have your batteries load tested to check their condition.

Aug 02, 2009 | NRS Hoveround MPV 5 - Used Power...

1 Answer

Need to diagnose and repair hoveround battery charger


check current output of charger to see if it makes info on back mostlikely charger went bad

Jul 06, 2009 | Electronics - Others

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