20 Most Recent Invacare Supply Group Invacare Pronto M91 Electric Wheelchair Questions & Answers


if you put pressure on the chair in one direction or the other while trying to disable the brakes it will make it difficult to move the lever.

I’m happy to assist further over the phone at https://www.6ya.com/expert/bill_bcbb89783b08c489

Invacare Supply... | Answered on Mar 03, 2017


Make sure that you are charging the chair 12-14 hrs before driving. charge with the joystick on, make sure both freewheel levers are in locked position.

I’m happy to assist further over the phone at https://www.6ya.com/expert/bill_bcbb89783b08c489

Invacare Supply... | Answered on May 15, 2016


If your chair is in freewheel (levers on back of motors not in drive) then the light will flash. But are the lights scrolling left to right or right to left? You can check for freewheeling by trying to push the chair from behind if it moves easily then it is in freewheel and you will have to move the levers to the drive position. You need to give more info of the flashing lights are all the lights flashing are only some flashing? etc

Invacare Supply... | Answered on Apr 05, 2016


The M91 has an onboard charger. When unplugging the charger power cord from the wall outlet does not stop the chair from being in the charge mode, The charger has to be unplugged from the wheelchair wiring harness or main control module under the plastic body parts. The on-board chargers fail like this sometimes.

Invacare Supply... | Answered on Jun 25, 2015


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.

Invacare Supply... | Answered on Mar 30, 2015


The red light on the transformer/Charger means the charger is bad. Sometimes it can also be battery harness wiring. Most often it is the charger that needs replaced.

Invacare Supply... | Answered on Jan 02, 2015


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.

Invacare Supply... | Answered on Jan 02, 2015


The ON button is at the top front of the joystick. If this button does not turn on the red, yellow and green lights there are many possibilities as to why it is not turning on. Batteries have to be checked first for proper voltage. Then wiring needs to be checked for proper connections and fuses checked.

Invacare Supply... | Answered on Jan 02, 2015


It is usually on the serial number sticker, which can be hard to find or have been removed/fallen off. If you can find the serial number, your vendor or the Invacare Co. can tell you the model, etc.

Invacare Supply... | Answered on Aug 25, 2014


thats a right motor fault, check connections first and cableing

Invacare Supply... | Answered on Jan 19, 2014


There is a problem with the remote joystick. Could be a bad connection or bad harness to the remote joystick. If harness is fine then the joystick has issues and needs to be replaced or rebuilt.
Try the 4-wire harness first.

Invacare Supply... | Answered on Nov 14, 2013


Good day!!!!


Please try to reconnect all connectors on the board...

after that try to test the machine...if persist,please check the voltage of your battery if it is 12vdc it should have at least 11vdc and if 24vdc it should have 23vdc...if the battery is lower try to replace it..

If the battery is good the problem is on the main control board..

if that so you need to replace it..please contact your manufacturer or dealer to buy the parts you needed..

Thanks for using fixya..

Have a nice day!!!

Invacare Supply... | Answered on Nov 03, 2013


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Invacare Supply... | Answered on Dec 18, 2012


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

Invacare Supply... | Answered on Oct 30, 2012

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