Its stuck in charging mode and the charger is unplugged
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.
SOURCE: Change Batteries in Pronto M91 with swivel seat.
Turned out to be a "doh!" moment. Use the lever on the side of the seat to permit swivel. Unplug Controls connector. Lift seat off unit. Remove battery compartment cover by loosening 2 Philips-head screws on the Charger cover at the rear. Disconnect cable to Electronic Controller at front of front battery. Disconnect the Red and Black battery connectors, the ones that join the 2 batteries. Lift out batteries. Transfer battery connections to new batteries. Reverse the above process to reassemble.
Solved this without any help from outsiders, including FixYa, who wanted to charge me for the solution.
SOURCE: Can't charge Pronto M91.
Hi Bob. Unfortunately in most cases this means that the batteries have gone so flat that they cannot be “revived”. The best thing to do is take the batteries to a local battery dealer and have them checked. You may need to replace them. Another possibility is that because the batteries are so flat, the charging circuit hit a wobbly trying to resuscitate them and popped a fuse button. A simple reset may help. Happy scooting. Regards Chris… [email protected]
SOURCE: ON MY PRONTO M91, BATTERIES ARE 0NE YEAR OLD, BUT
mcdevito75 here, The battery / ies could be old even, at 1 year old. Contact Invacare online or by phone.
SOURCE: i lost the power cord to the m91 pronto surestep.
At Wally World (Wal Mart) any computer type plug will work Hope this helps
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