Question about Invacare Supply Group Invacare Pronto M91 Electric Wheelchair

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The Pronto will not keep a charge so I replaced the batteries. Now the red and green light flash while charging and there is no power to the chair

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Mckinzie the lights will flash when charging because of the inhibit mode. After you unplug the charger and turn the chair on do you get any lights at all on the battery indicators? If not lift up the seat and check your battery cable connections the neg cable from the rear battery should be connectd to the positve side of the front battery and the rear neg should plug into the small connector of the other cable. Make sure then that the large double plug is connected to the double plug going to the controller. while the seat is up then turn the chair on to see if all the lights come on. If not check that all your connections at the battery posts are tight. Also check under the two red positve battery post covers the two fuse links to make sure they are not blown. If all of this checks out the chair should come on and operate correctly Hope this helps

Posted on Sep 01, 2010

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Pronto power chair why does the lights reds yellow and green keep flashing and when I hooked up the charger says full charge any answers


Sounds like either the battery or the charger is not functioning correctly. Battery may need replaced, or charger may need fixed or replaced.

Oct 23, 2014 | Health & Beauty

1 Answer

Pronto M6 chair will not work. When the power switch is turned on, the LED light flash Red followed by three Green. I can't find what this error code meas.... Pls Help thanks Phil


Phil the red means battery is low and the green is a speed limit code because of the low battery if you have charged your batteries and you still get the red then you need to check the charger after charging all night does the yellow light on the charger turn green? if when you first plug in the charger if the red light is on and the other light is green then there is a problem with the wiring or connection to the batteries from the charger and you aren't charging the batteries. if when you plug the charger in and you get a red and yellow light then the charger is working but you don't ever ge a green light and the battery level gauge is still showing red then you need to replace the batteries Hope this helps

Apr 12, 2011 | Invacare Supply Group Pronto M61 Standard...

1 Answer

Do not know if chair is taking a charge lights just keep moving across armrest .how do u tell when fully charged?


hi let me see if i can help ,

When the lights go back and forth on your joystick that means the chair knows its pluged in .Now the chair itself has a built in charger that is mounted on the back of your chair .The back of the chair ,there is a opening a cutout in the frame .when you plug in your chair there will be a red light and a yellow ,yellow means the chair is charging, wait till it turns green,this means fully charged.When you plug in the chair youll see the lights through that hole.Look for the lights.

I recommend my customers to leave there chair charging over night look at the light it will be green when you turn the chair on the joystick should show fully charge.


Good luck hope i was of some help.

Jan 20, 2011 | Invacare Supply Group Invacare Pronto M51...

1 Answer

My question is related to an Invacare-Nutron R51.Production date 1-7-03,joystick[MKIV R11] flashes red 1 time, than green 5 times repeatedly? Can you please tell me what this means.?


Ranch well the red flash indicates a low battery and the 5 flashes indicate a bad left brake. Now try charging the batteries until you get a green light on your charger then turn on the chair it shouldn't flash the red if the batteries are accepting the charge. If your batteries are 2-3 years old it could be time to change them. If Medicare paid for your chair then they will pay most of the repair costs. You can contact your provider for help or a service company like Roadrunner Mobility @ 1-800-467-2668 or Repair Xpress @ 1-877-581-3733. If Medicare did buy the chair then you are eligible for a new chair every 5 years and yours is almost 8 years old. Contact a local provider that you trust to check into getting you a new chair. Hope this helps you

Sep 29, 2010 | Invacare Pronto M51 Power Wheelchair

1 Answer

What is the proper way to charge the Pronto M51


Eduardo After using your chair and the battery level lights are down with yellow or red lights showing just plug the chair into the wall socket and let er rip. Now really after using your chair during the day and you are ready for bed just plug in the charger and let it charge over night. In the morning unplug the charger and you should be set for the day. If you don't use the chair everyday always put it up with a full charge and about once a week plug it in and let it charge overnight. Never leave the chair plugged in all the time and never leave it for more that 24 hours. The charger has two lights on it one red and one yellow or green that are hard to see because they are under the rear cover. When the chair is fully charged the yellow light turns green and you can unplug the charger and you should have a full charge. Hope this helps you

Sep 08, 2010 | Invacare Pronto M51 Power Wheelchair

2 Answers

When charging the batteries, are there 2 lights that go on...1 red and 1 yellow?


on my m51 the lights on the charger are red and green the green is flashing what is this telling me.also should i have the controller on when i plu in the charger my chair i 6 years old battery replaced 2 years ago

Jun 18, 2010 | Invacare Pronto M51 Power Wheelchair

3 Answers

One red light three green flash when turned on


Your chair has a motor problem. The code does not tell which side it is. Make sure both motors have the brakes in the drive position before turning on the chair. Also check that both motors are plugged into the main control module in the base of the chair.

May 15, 2010 | Invacare Supply Group Invacare Pronto M91...

2 Answers

Pronto 91 fully charged batt but only gey 3 flashes off red light


Batters won't hold charge and work properly it sat up for that long. replace batterys

Aug 27, 2009 | Invacare Supply Group Invacare Pronto M91...

2 Answers

Only 1 battery charges


The lights are working, the batteries aren't. Red indicates power to the charger, and it should be on all the time. Green indicates a full charge, usually. If one or both of the batteries are totally dead, then the charger can't "see" them, and you will get a green light, but you will have dead batteries.

All power chairs use sealed, deep-cycle batteries. Deep cycle batteries, are designed for slow amperage dischare over a long time period, unlike a car battery that throws out a lot of amperage for turning the motor over. That's called "cold-cranking amps", and you can load-test a car battery to see if it will throw out a ton of amps for long enough to start a car. There is NO load tester made, or possible for a deep-cycle battery. A load test requires a 24-hour time period, and a complicated formula.

So, your course is to get some fresh, gel-sealed-batteries. You will need type U-1. Specify, gel-sealed-batteries when you go to the battery shop. A fresh set should get the chair up to about 12-16 mile range, which would be about 3-4 hours running constantly at high speed. Good luck.

May 11, 2009 | Invacare Pronto M51 Power Wheelchair

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