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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Part No. 1148076 27 Pronto
®
M51
™
Base with SureStep
®
NEUTRAL TESTING displays. The joystick neutral test has
failed (Error code E18).
Release the joystick and try to get the
joystick back into the center-most
position.
ᾦ BAD JOYSTICK CAL VALUES
displays and the wheelchair does not
drive.
The joystick calibration values
are outside of the expected
range (Error code E19).
Recalibrate the joystick (joystick throw
procedure).
ƽ SPM NOT CONNECTED
The MPJ or Display module is
not communicating with the
control module (Error code
E200).
Check the connections between the
joystick or display and the controller.
Turn the power off and then back on.
Replace the controller if necessary.
ƽ SPM Communications Fault
displays and the wheelchair drives
slowly.
The controller has determined a
fault during a previous turn-off
process (Error code E41).
Turn the wheelchair off and back on.
ATTENDANT ACTIVE and
displays.
The Proportional or Digital
Attendant control is active and
can be used to drive the chair
(Error code W05).
This is normal behavior.
Batteries draw excessive current
when charging.
Battery failure.
Electrical malfunction.
Have batteries checked for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for service.
Battery indicator flashes the charge
level is low - immediately after
recharge.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction.
Check batteries for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Battery indicator flashes the charge
level is low - too soon after being
recharged.
Batteries not charged.
Weak batteries.
Have charger checked.
Replace batteries if necessary. Refer to
Replacing Batteries
on page 55.
Motor “chatters” or runs irregular. Electrical malfunction. Contact Dealer/Invacare for Service.
Joystick erratic or does not respond
as desired.
Damaged motor coupling.
Electrical malfunction.
Controller programmed
improperly.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare to have
controller reprogrammed.
Wheelchair does not respond to
commands.
Poor battery terminal
connection.
Have terminals cleaned.
Power indicator off - even after
recharging.
Electrical malfunction. Contact Dealer/Invacare for Service.
SYMPTOM PROBABLE CAUSE SOLUTIONS