Question about Invacare Supply Group Nutron R51 LXP Folding Power Wheelchair

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Nutron r51 Folks, my wheelchair is moving way too slow, leaning to the left (I have to compensate the joystick to the right). The wheelchair is under 1 year of usage. The batteries were my first option, so I've already replaced them, but the problem still stands. Thanks.

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  • 278 Answers

The age of the Nutron is not the issue, unfortunately. I have seen problems with this model right out of the box. The joystick control is the first area to check. If you have to compensate the joystick so far to the right to correct, you may have a damaged joystick gimbal. You may also have a bad joystick control board or damaged connecting cable to the controller on the bottom frame. Check for damaged, pinched loose or disconnected wiring below at the controller module. With a folding frame it is easy for the wiring to be become damaged or dislodged. Check for cut damaged pinched wiring at the joystick. With a handheld programmer (dealer) you can check for error codes in the fault log. With a poor performance issue there may not be a fault recorded in the log of the computer module. I have also seen these motors fail prematurely. In this case your left motor is dragging or weak causing the chair to go left. With a programmer (dealer tool) you can compensate for this while waiting for new parts(temp fix). Sometimes the motor brushes burn or hang up. Try blocking up the chair off the ground and run it no load to check for motor performance and unusual sounds. Check for joystick dead spots or uneven action. A quick check of the joystick would be to plug in a known good one at the dealer to test. With the chair blocked up try tapping the motor housing to see if the performance changes. Inspect the brushes if you have access to the brush caps.Check the obvious first, plugs, pinched, broken wires and partial plug disconnects and corrosion. If you have a voltmeter you can do some checks on the motors and brakes. Going from memory, the motor leads large black and large red should read zero ohms with the 2 small white wires for the brake reading between 60 and 70 ohms. Check the Invacare manufacturer website for exact specs and technical info for this model.
Hope this helps.

Posted on Mar 23, 2014

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HoverTech
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SOURCE: I have a Pronto M6

Make sure all of your connections are tights and the your fuses do not need to be replaced.

Blinking lights on the controller usually indicates a problem, the number of blinking lights are used to diagnose the problem. Take a look at this website to identify the type of controller you have on your scooter so you can dtermine what the blinking lights are trying to indicate.
http://www.pgdt.com/scenter/diagnostics/diagvsi.html
Good luck!

Posted on Oct 13, 2010

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https://www.invacare.com/product_files/1110532.pdf

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