Invacare Formula Powered Seating Owner's Operator And Maintenance Manual page 21

SYMPTOM
SPM Battery Fault displays and the
wheelchair does not drive.
JOYSTICK TIMEOUT displays and
the wheelchair does not drive.
JS REV TOO LARGE
JS FWD TOO LARGE
JS LFT TOO LARGE or
JS RGT TOO LARGE
displays and the wheelchair does not
drive.
NEUTRAL TESTING displays.
BAD JOYSTICK CAL VALUES
displays and the wheelchair does not
drive.
SPM NOT CONNECTED
SPM Communications Fault
displays and the wheelchair drives
slowly.
ATTENDANT ACTIVE and
displays.
Batteries draw excessive current
when charging.
Battery indicator flashes the charge
level is low - immediately after
recharge.
Battery indicator flashes the charge
level is low - too soon after being
recharged.
Motor "chatters" or runs irregular.
Part No 1122170
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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
PROBABLE CAUSE
Batteries need to be charged
(Error code E14).
Joystick or input device is
disconnected (Error code 32).
The joystick or input device is
sending a value outside of the
reverse, forward, left or right
limits (Error codes E01, E02,
E03 or E04).
The joystick neutral test has
failed (Error code E18).
The joystick calibration values
are outside of the expected
range (Error code E19).
The MPJ or Display module is
not communicating with the
control module (Error code
E200).
The controller has determined a
fault during a previous turn-off
process (Error code E41).
The Proportional or Digital
Attendant control is active and
can be used to drive the chair
(Error code W05).
Battery failure.
Electrical malfunction.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction.
Batteries not charged.
Weak batteries.
Electrical malfunction.
21
SOLUTIONS
Charge batteries. If batteries fail to
charge properly, check battery charger
or replace batteries. Refer to Replacing
Batteries on page 63.
Turn off power, reconnect the joystick
of input device and turn power on.
Replace joystick or input device.
Release the joystick and try to get the
joystick back into the center-most
position.
Contact Dealer/Invacare for
recalibration of the joystick (joystick
throw procedure).
Check the connections between the
joystick or display and the controller.
Turn the power off and then back on.
Replace the controller if necessary.
Turn the wheelchair off and back on.
This is normal behavior.
Have batteries checked for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for service.
Check batteries for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Have charger checked.
Replace batteries if necessary. Refer to
Replacing Batteries on page 63.
Contact Dealer/Invacare for Service.
Formula™ Powered Seating