Question about Invacare Supply Group Invacare Pronto M91 Electric Wheelchair

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Sometimes, out of the blue, when i snap on my M91 and touch the joystick, i will here a faint click and the power display will start blinking. the machine will NOT move. any ideas?

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  • 278 Answers

With the M91 the click you are hearing is the electric brake solenoid engaging and disengaging the electro mechanical brake. The display blinking probably indicates a brake solenoid fault code and right or left motor. Try working both brake levers back and forth listening for and feeling for smooth action. If the levers are bent and the brakes are not working a motor replacement is necessary. If you can identify the fault flash code you can determine which brake or motor is the culprit and use a DVM to verify the component failure.

Posted on Oct 24, 2010

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Posted on Jan 02, 2017

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1 Answer

Pronto m91


You are getting a motor error code. Check motor wiring and connection to the main control box. Motor may have gotten unplugged when changing the batteries.

Jul 08, 2014 | Invacare Supply Group Invacare Pronto M91...

1 Answer

What does 7 times flashing mean is wrong on pronto m91


Hello,

Seven blinks is most often the joystick. A Invacare Remote Programmer can be plugged in to the joystick to verify this.

May 28, 2014 | Electric Mobility Invacare Pronto M41...

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Put joystick into lock mode


press and hold on button til beep then push and hold joystick til beep then pull and hold joystick til beep turn off then on should be unlocked now

Oct 04, 2012 | Invacare Supply Group Invacare Pronto M91...

1 Answer

I have a Pronto M91. When I push the joy stick the lights turn off and the first two red lights blink. I check all the connections and the wheelchair will not move. I would be thankful for any help.


You have low batteries and need charging if you been charging and still get the red lights then the batteries need to be replaced and have the charger checked for correct output. If you have a voltmeter you can check the charger by plugging the on-board charger into the wall set the voltmeter to 200 volts dc and plug the leads into the two outter holes of the charger port located under the front of the joystick. with the charger pugged in you should be reading 27+volts if you aren't getting any reading or the reading is lower than 25 volts then replace the charger or get an offboard charger and try charging the batteries via the joystick charger port Hope this helps

Mar 16, 2011 | Invacare Supply Group Invacare Pronto M91...

1 Answer

My pronto m91 was flashing 5 times on the yellow led and after i resert it like you said it ran for a minuet and now it flashes 4 times on the bottom yellow led.


I am new to this request. Hope you have had your chair fixed by now, but in case not. If you still need help I really need more chair information. What joystick? Many different joysticks with different yellow lights. With a 4 or 5 blink it could be a motor or battery voltage problem.

Jan 11, 2011 | Invacare Health & Beauty

1 Answer

Batterys charged. I turn switch on. all the lights come on. Joy stick doesn't do anything. Pronto m91 (trulffes@asisna.com)


truffles e-mail me at lennieg2000@yahoo.com. I need to know if you are getting any flashing lights on your joystick and are you hearing the brakes click when you move the joystick. Thanks

Oct 18, 2010 | Invacare Supply Group Invacare Pronto M91...

1 Answer

One of my residents has a Pronto M91 Sure Step and it turns on, the horn button works, the speed buttons work, but it WILL NOT turn off. Please help me. Would that mean I need to change the joystick...


just replace the keypad or if you are mechanically inclined remove joystick take the top off and glue a small piece of foil to the bottom of the on/off button reassemble and try that if that doesn't fix it order a new pad from a provider in your area

Jul 30, 2010 | Invacare Supply Group Invacare Pronto M91...

1 Answer

I have a invacare The joystick mk5 will not lite up batt. are new


Some chairs, like the M91 are a real bear to replace the batteries and connectors can get knocked loose in the process. First, using a voltmeter you need to see if the controller is getting power. On the DC setting, use voltmeter at the three-pin female connection at the joystick that is the charging port. The two pins that are opposite each other are the "hot" pins, and your meter should read about 25 volts, +- 2 volts. If its 0, there is a connection that isn't made from the batteries through to the controller, or the controller or joystick is shot. If you do have power to the joystick, then it's probable that the joystick is shot. A new one from Invacare is pricey, around $1,000.00 I have found a new site that can repair most makes. I have not used them, so cannot vouch for their work, but give them a call and see what you think.
http://www.flightsystems.com/cart_controls/wheelchair_powered_scooter_market_cart_controls.htm

If you don't have power, start at the terminals from the battery, and follow each wire back to the power control box, unplug and replug firmly as you work your way back. Check all fuses on the way. Then check all of the other connectors inside the chair, unplug, and reconnect again. Unplug and reconnect the wires leading into the power control box, and then restart chair. If no lights still, then the power control module is probably the culprit, but the address above fixes those too. The joystick and the power control module work together to make the chair operate safely. Good luck

Jun 19, 2009 | Electric Jazzy 1115 Power Wheelchair

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