Invacare Pronto M91 Service Manual

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
Pronto® M91™and M94™ 24 Part No. 1125038
Troubleshooting
Electrical
NOTE:Foradditionaltroubleshootinginformationandexplanationoferrorcodes,refertothe
electronicsmanualsuppliedwitheachwheelchair.
Wheels
Common
SPJ+, SPJ+ w/PSS or SPJ+ w/ACC Joysticks
Thejoystickinformationgaugeandtheserviceindicatorgiveindicationsofthetypeof
faultorerrordetectedbythecontrolmodule.Whenafaultisdetected,thewheelchair
maystopandnotdrive.TheLEDsontheinformationgaugemayflashinaparticular
patternortheserviceindicatorlight
willflash.Thenumberortypeofflashesindicatesthe
natureoftheerror.Ifmultipleerrorsarefound,onlythefirsterrorencounteredbythe
controlmodulewillbedisplayed.
WHEELCHAIR VEERS
LEFT/RIGHT
SLUGGISH TURN/
PERFORMANCE
CASTERS
FLUTTER
SQUEAKS AND
RATTLES
SOLUTIONS
X X X If pneumatic, check tires for correct and equal pressure.
X X X X Check for loose stem nuts/bolts.
X X Check that casters contact ground at the same time.
SYMPTOM PROBABLE CAUSE SOLUTIONS
E28 Error code
Charger still plugged in when
user tries to drive the wheel-
chair.
Unplug charger to drive wheelchair.
Manual recliner, Power tilt and/
or recline is in reclined position
and drive lockout is engaged
To disengage drive lockout, return
seat to upright position.
No LED’s on DPJ™/SPJ™
Joystick
Batteries discharged.
Fuse Open
Loose Battery Terminal
Plug connections back together, and
check for damaged wiring.

Invacare Pronto M91 Specifications

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"