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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Power Tiger™ 28 Part No 1134839
MPJ+, PSR+, PSF+ Joysticks or Displays
SYMPTOM PROBABLE CAUSE SOLUTIONS
ƽ SPM L Park Brake Fault or
ƽ SPM R Park Brake Fault displays
and wheelchair does not drive.
Motor lock levers disengaged
(Error code E9 or E10).
Engage motor lock levers. Refer to
Disengaging/Engaging Clutch Levers
on
page 41.
CHARGER PLUGGED IN displays. Battery charger connected
(Error code E28).
Unplug battery charger from the
wheelchair. Refer to Charging Batteries
on page 79.
ƽ SPM Battery Fault displays and the
wheelchair does not drive.
Batteries need to be charged
(Error code E14).
Charge batteries. Refer to Charging
Batteries on page 79. If batteries fail to
charge properly, check battery charger
or replace batteries. Refer to Replacing
Batteries on page 77.
ᾦ JOYSTICK TIMEOUT displays and
the wheelchair does not drive.
Joystick or input device is
disconnected (Error code 32).
Turn Off power, reconnect the joystick
of input device and turn power On.
ᾦ JS REV TOO LARGE
ᾦ JS FWD TOO LARGE
ᾦ JS LFT TOO LARGE or
ᾦ JS RGT TOO LARGE
displays and the wheelchair does not
drive.
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).
Replace joystick or input device.
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.