SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING

MPJ+, PSR+, PSF+ Joysticks or Displays

SYMPTOM

PROBABLE CAUSE

SOLUTIONS

 

 

 

SPM L Park Brake Fault or

Motor lock levers disengaged

Engage motor lock levers. Refer to

SPM R Park Brake Fault displays

(Error code E9 or E10).

Engaging/Disengaging Motor Release

 

Lever on page 54.

and wheelchair does not drive.

 

 

 

 

 

 

CHARGER PLUGGED IN displays.

Battery charger connected

Unplug battery charger from the

 

(Error code E28).

wheelchair. Refer to Charging Batteries

 

 

on page 63.

 

 

 

SPM Battery Fault displays and the

Batteries need to be charged

Charge batteries. Refer to Charging

wheelchair does not drive.

(Error code E14).

Batteries on page 63. If batteries fail to

 

charge properly, check battery charger

 

 

 

 

or replace batteries. Refer to Installing/

 

 

Removing the Batteries on page 57.

 

 

 

JOYSTICK TIMEOUT displays and

Joystick or input device is

Turn Off power, reconnect the joystick

the wheelchair does not drive.

disconnected (Error code 32).

of input device and turn power On.

 

 

 

 

 

JS REV TOO LARGE

The joystick or input device is

Replace joystick or input device.

JS FWD TOO LARGE

sending a value outside of the

 

reverse, forward, left or right

 

JS LFT TOO LARGE or

 

limits (Error codes E01, E02,

 

JS RGT TOO LARGE

E03 or E04).

 

displays and the wheelchair does not

 

 

drive.

 

 

 

 

 

NEUTRAL TESTING displays.

The joystick neutral test has

Release the joystick and try to get the

 

failed (Error code E18).

joystick back into the center-most

 

 

position.

 

 

 

BAD JOYSTICK CAL VALUES

The joystick calibration values

Recalibrate the joystick (joystick throw

displays and the wheelchair does not

are outside of the expected

procedure).

range (Error code E19).

 

drive.

 

 

 

 

 

 

SPM NOT CONNECTED

The MPJ or Display module is

Check the connections between the

 

not communicating with the

joystick or display and the controller.

 

control module (Error code

Turn the power Off and then back On.

 

E200).

Replace the controller if necessary.

 

 

 

SPM Communications Fault

The controller has determined a

Turn the wheelchair Off and back On.

displays and the wheelchair drives

fault during a previous turn-off

 

process (Error code E41).

 

slowly.

 

 

 

 

 

 

 

The Proportional or Digital

This is normal behavior.

ATTENDANT ACTIVE and

Attendant control is active and

 

displays.

can be used to drive the chair

 

 

(Error code W05).

 

 

 

 

Batteries draw excessive current

Battery failure.

Have batteries checked for shorted cell.

when charging.

 

Replace if necessary.

 

Electrical malfunction.

Contact Dealer/Invacare for service.

 

 

 

Pronto® M91™Base with SureStep®

30

Part No 1143153

Page 30
Image 30
Invacare Pronto M91 Base manual MPJ+, PSR+, PSF+ Joysticks or Displays, Symptom Probable Cause Solutions