Question about Invacare Pronto M51 Power Wheelchair

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I have a 5 year old Pronto M51. When I plug the charger into the wall both a sold green and red light comes on. But when I unplug the charger and try to operate the chair it will only move a few inches and stops. When I turn the switch on the 3 lights on the joystick gauge all light up and they stay on. Could it be by batteries?

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Yep you got it right its the batteries replace them with U1 batteries, charge before use and you should be good to go Good Luck

Posted on Nov 06, 2010

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2 Answers

Charger seems to have both red and green lites flashing at the same time no sequence and both batteries connected read 4.0 VDC, are these chargers repariable or throw aways


Your manual is here. The section on charging states, that green blinking means your battery is fully charged but blinking red means that your charger is faulty. I would say repairable.

1. Plug the female connector of the AC power cord (supplied) to the AC receptacle on the charger and plug in the male connector on the AC power cord into the wall outlet.

2. The On/Off LED indicator is blinking RED, this is abnormal. Unplug AC power cord from the on-board battery charger and wall outlet. Charger may need to be replaced. Contact an Invacare dealer or qualified technician.

3. When the On/Off LED indicator light is Off, charger is Off.

4. When the Charge LED indicator light is YELLOW, the batteries are charging.

5. When the Charge LED indicator light is solid GREEN, the batteries are fully charged (as their condition will allow).

6. When charging is complete, unplug the male connector of the AC power cord from the wall outlet and then unplug the female connector of the AC power cord from the AC receptacle on the charger.


http://www.invacare.com/doc_files/1125085.pdf

http://www.invacare.com/doc_files/1125085.pdf

Mar 24, 2016 | Invacare Pronto M51 Power Wheelchair

1 Answer

I am getting a flashing green light when I try to charge my batteries on the Pronto M51 what does this mean


why did you change the batteries, did you verify that it wasn't the charger in the first place, sometime the charger will appear to charge but actually isn't. put a meter on one battery then plug in charger if voltage goes up charger is good if not look for loose connections and or bad charger.

Sep 25, 2012 | Invacare Pronto M51 Power Wheelchair

1 Answer

M51 charger has solid red light and a blinking green light


Battery is shorted or may have cristlized replace battery. This will solve your problems.

Sep 16, 2012 | Invacare Supply Group Invacare Pronto M51...

1 Answer

I have a pronto 2003 chair when charging batteries it we no move even if i charge is all nigh when i trurn joystick on it flashing one red llight an 5 green lighs what is the oproble


The error code means one of three things. First it could mean the batteries did not charge up at all. Next is unlikely ,but it also means too high of a charge voltage. The code also comes on when the charger is plugged in to charge and you turn the joystick on. The chair protects itself from driving off with the charger cable plugged into the wall outlet. One more possibility exists, the onboard charger could be bad and bad batteries. You need to have a trained electronic tech check this out.

Feb 14, 2011 | Invacare Pronto M51 Power Wheelchair

1 Answer

Hello, i have a invacare wheelchair that has 2 12v sealed batteries, wired in series at 24v. I wanted to find out the charge plug has 3 prongs, which should be -. ground, . over vice versa, how come there...


Salty The charger detects the batteries when it is plugged into the charger port. With the older chargers you could measure the output of the charger by measuring across the two outter pins. With the newer chargers there is no output until the charger is plugged into the charger port. Now on the M51 you should have an on-board charger and the cord plugs into the back of the chair into a three pronged plug. Now if you plug the on-board charger into the wall socket and look at the rear of the chair low to the ground you should be able to see a red and yellow light (red and green when fully charged). With this charger plugged in you can take a digital voltmeter set it on 200 v dc and plug the leads into the two outter holes in the charger port under the front of the joystick you should read 27-30 volts when charging and 24-27 volts fully charged and the charger unplugged. Hope this helps you

Sep 20, 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

1 Answer

Someone gave me a pronto m51 sure step motorized wheelchair but no manual was given..my question is: Is it safe to charge the battery overnight? Is there any danger of overcharging? If anyone knows for...


Jo, nope you are safe. Most of the chargers are designed to cut off and go into trickle charge once they sense that the batteries are fully charged. The problem with overcharging comes after 18 hours or so. You should never leave the charger plugged into the chair for more than 24 hours. On the M51 the charger is built into the chair so just plug it in when you go to bed and unplug it when you get up and you'll be ok. You can check for full charge by looking at the charger there should be a red light and a green light when fully charged. Hope this helps

Sep 08, 2010 | Invacare Supply Group Invacare Pronto M51...

1 Answer

My invacare pronto m51 wheelchair does not turn on. we just had the battery replaced. when it is plugged in the battery lights turn on and when you unplug it they do not even turn on.


Did you replace both batteries? How old is the chair? Sometimes the on-off keypad becomes worn and does not make contact with the on-off switch. When charging the joystick lights can light up but after unplugging they should remain on. When you plug in the charger look under the rear cover at the charger you should see 2 lights, one red and one yellow to indicate that you are charging the chair if you do not see both lights lit then the charger is bad or has a blown fuse. Only a Tech will be able to tell what is wrong. If Medicare purchased your chair then they will pay for most of repair costs. Contact your provider or a repair service company

Aug 16, 2010 | Invacare Pronto M51 Power Wheelchair

1 Answer

How do i know when my invacare pronto m5 is fully charged?


With an M51, a full charge will be indicated by all three joystick indicator lights lit- red yellow green. The green far right LED is the full charge light. Also the charger has indicator lights that go from red/yellow to full green at full charge. Hope this helps

Jul 11, 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

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