Why is there excessive clicking coming from the motor/gearbox of my Invacare Pronto M91 Wheelchair?
If you hear excessive clicking coming from the motor or gearbox of your Invacare Wheelchair, replace the motor or gearbox if there is a bad bearing in either. Also, tighten any loose wheel hardware, using removable Loctite™ on the hardware, and follow the torque settings specified in this manual.
How to fix Invacare Pronto M91 Wheelchair when batteries won't charge?
If the batteries of your Invacare Wheelchair are not charging, check the cables for damage and replace the battery wiring harness if needed. Also, batteries that have sat discharged for too long or have corroded wiring connections can cause this issue, so replace the battery wiring harness. Weak batteries may also be the cause.
Why does the battery indicator flash low too soon after recharging my Invacare Pronto M91 Wheelchair?
If the battery indicator on your Invacare Wheelchair flashes low too soon after recharging, it could be due to batteries not being fully charged or weak batteries. Have the charger checked. If necessary, replace the batteries.
Why is the battery indicator flashing low immediately after recharging my Invacare Pronto M91?
If the battery indicator on your Invacare Wheelchair flashes low immediately after recharge, it could be due to battery failure, a malfunctioning battery charger, or an electrical malfunction. Check the batteries for a shorted cell and replace if necessary.
Why does the motor make a clicking noise in my Invacare Pronto M91?
If the motor of your Invacare Wheelchair makes a clicking noise, replace the coupler if there is a bad coupler between the motor and gearbox. If the bearings are bad, replace the motor. Additionally, if there is a raised commutator plate inside the motor, ohm out the motor. Replace the motor if a high reading is present; a normal reading is 0.2-5 Ohms.
Why does my Invacare Wheelchair have squeaks and rattles?
Squeaks and rattles in your Invacare Wheelchair can be addressed by checking for uneven tire wear, a bent fork or frame, or loose hardware.
How to fix E09/E10 error code on Invacare Pronto M91?
If you're encountering an E09 or E10 error code that will not disappear on your Invacare Wheelchair, check all motor connections and ohm out each brake coil. A normal reading should be 45-50 Ohms.
What to do if Invacare Wheelchair won't drive with power on (E09 or E10)?
If your Invacare Wheelchair will not drive with the power on and displays an E09 or E10 error, engage the motor locks to drive the wheelchair.
Why does my Invacare Pronto M91 Wheelchair veer to the side?
If your Invacare Wheelchair veers to the left or right, check for loose stem nuts and bolts, inspect the bearings, and look for signs of wear.
What does 11 flashes mean on my Invacare Wheelchair?
The wrong type of remote is connected.
Explains the meaning of DANGER, WARNING, and CAUTION signal words.
Discusses TRRO and TRBKTS, safety for transporting wheelchairs in vehicles.
Details specific warnings and precautions related to the SureStep technology.
Guidelines for safe operation, maintenance, and component care.
Covers tire inflation, grounding, and battery recommendations.
Explains EMI, its sources, and potential effects on wheelchair operation.
Provides warnings and precautions to minimize risks associated with EMI.
Lists procedures for regular safety checks and adjustments on the wheelchair.
Provides solutions for common symptoms, error codes, and component issues.
Covers seat assembly removal, tilting, height, width, depth, and angle adjustments.
Procedures for servicing seat pan, frame, positioning strap, back upholstery, and canes.
Specific service procedures for the Van Seat model.
Instructions for removing and adjusting armrests for different seat types.
Covers front rigging installation/removal, footrest height, and elevating rigging adjustment.
Instructions for adjusting or replacing telescoping front rigging supports.
Steps for removing, installing, and adjusting the footboard assembly.
Instructions for replacing and adjusting casters, drive wheels, and hubs.
How to replace wheel rims and tires.
Covers shroud removal, pivot tube, walking beam, stability lock, swing arm, and traction control device service.
Covers motor release levers, motor removal/installation, brush inspection, and parking brake testing.
Step-by-step instructions for battery handling and wiring harness connection.
How to replace the on-board battery charger.
Instructions for joystick disconnection, connection, repositioning, and controller replacement.
Instructions for routing wires on MKIV and MK5/MK6i electronic systems.
Guidelines for safely securing the wheelchair and occupant in a motor vehicle.
Discusses vehicle-anchored belts, seating systems, and proper belt positioning.
Power and Performance| maximum speed | 6.5 mph / 4.5 mph |
|---|---|
| incline capability | 9˚ |
| weight capacity | 300 lb. (400 lb. option) |
Wheel and Caster Sizes| front casters | 6" x 2" |
|---|---|
| drive wheels | 14" x 3" |
| rear casters | 6" x 2" |
Weight and Dimensions| length with footboard up | 39" |
|---|---|
| length with footboard down | 40" - 42" |
| width excluding joystick | 25.9" |
| height | 37" - 48" |
| seat width | 18" - 22" |
| seat depth | 16" - 20" |
| overall height | 37" - 40" |
| back height | 18" |
| seat-to-floor height | 21" - 23" |
| weight with batteries | 273 lb. |
| weight without batteries | 199 lb. |
| wheelchair mass | 275 lb. |
| turning radius front | 19.5" |
| turning radius rear | 21.5" |
| ground clearance | 3.25" |
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