Spj+, spj+ w/pss or spj+ w/acc joysticks – Invacare Wheelchair Pronto M91 Base User Manual
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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Pronto® M91™Base with SureStep®
28
❑ Inspect and clean the stability lock gears. Replace if worn.
❑ Clean upholstery and armrests.
❑ Inspect charger AC power cord for damage. Replace if necessary.
❑ Check that wiring is routed and secured properly to ensure that wiring does NOT
become entangled and damaged.
❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged.
❑ Check that all labels are present and legible. Replace if necessary.
❑ Ensure casters are free of debris.
Troubleshooting - Mechanical
Troubleshooting - Electrical
NOTE: For additional troubleshooting information and explanation of error codes, refer to the
individual Electronics Manual supplied with each wheelchair
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
TU
RN/
PERFORMANCE
CA
STERS
FLUTTER
SQ
UEAKS AND RA
TTLES
LOOSENESS
IN WHEELCHAIR
WHEELCHAIR 3
WHEELS
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.