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SECTION 3—TROUBLESHOOTING
MK
5
™NX™Electronics 10 Part No 1110532
Wheelchairs With Elevate Systems
SYMPTOM PROBABLE CAUSE SOLUTIONS
Seating system not functioning
or working intermittently.
Low batteries. Charge batteries. Refer to the seating system
Owner’s Manual.
Faulty electrical
connection.
Check all connections.
Blown fuse. Replace wiring harness. Refer to the seating system
Owner’s Manual.
Seat has been driven
under a heavy load for an
extended period of time.
Allow time for the electronics to cool down (Light
Duty Use). Leave power on, and do not activate
powered seating functions for at least 3 minutes.
Open Motor connection/
Motor locks disengaged.
Check all motor connectors.
Make sure motor locks are engaged.
Wheelchair slows while driving. Elevating seat is elevated.
The elevating seat is
equipped with a speed
reduction safety
mechanism. While the
seat is in an elevated
position, the safety
feature slows the speed
of the wheelchair by 80%.
Return the seat to its lowest position. Refer to the
seating system Owner’s Manual.
Wheelchair drives at full speed
when seat is elevated.
Faulty electrical
connection.
Check all connectors.
Malfunctioning seating
system controller.
Check for error codes. Refer to Performance
Adjustments on page 19 for the correct perfor-
mance adjustment menu descriptions. Replace seat-
ing system controller, if necessary. Contact
Invacare.