Invacare M71 service manual Wheels, Troubleshooting Common, Troubleshooting Motor/Gearbox/Brake

Page 24

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING

Wheels

WHEELCHAIRVEERS LEFT/RIGHT

SLUGGISHTURN/ PERFORMANCE

CASTERS FLUTTER

SQUEAKSAND RATTLES

LOOSENESS WHEELCHAIRIN

WHEELCHAIR3 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.

 

 

 

 

 

 

 

Troubleshooting - Common

SYMPTOM

PROBABLE CAUSE

SOLUTIONS

 

 

 

 

Charger still plugged in when user

Unplug charger to drive wheelchair.

 

tries to drive the wheelchair.

 

E28 Error code.

 

 

Manual recliner, Power tilt and/or

To disengage drive lockout, return seat to upright

 

 

recline is in reclined position and

position.

 

drive lockout is engaged

 

 

 

 

No LED’s on DPJ/

Batteries discharged.

Plug connections back together, and check for

Fuse Open

damaged wiring.

SPJ Joystick

Loose Battery Terminal

 

 

 

 

 

 

Troubleshooting - Motor/Gearbox/Brake

SYMPTOM

PROBABLE CAUSE

SOLUTIONS

 

 

 

 

Bad coupler between motor and

Replace coupler or replace motor.

Motor makes a

gearbox or bad bearings.

If bearings are bad, replace motor.

clicking noise.

 

 

Raised commutator plate inside of

Ohm out motor and replace motor if high reading

 

motor.

is present. Normal reading is 0-5 Ohms.

 

 

 

Grinding noise or

Bad gearbox.

Replace gearbox or motor.

Bad coupler between motor and

Replace coupler mor motor.

motor is locking up.

gearbox or bad bearings. Bad Gears.

If bearings are bad, replace motor.

 

 

 

 

Motors stall and

Current Rollback.

Stop driving and let electronics cool.

starts up again.

 

 

 

 

 

Wheelchair will not

Check motor locks.

Engage motor locks to drive wheelchair.

drive with power

 

 

on (E09 or E10).

 

 

 

 

 

Pronto® M71™

24

Part No 1118377

Image 24
Contents Pronto M71 Reference Documents Reference DocumentsDocument Part Number Table of Contents Seat Assembly Removing/Installing the Adjustable Height TubesArms WheelsFront RIGGINGS/FOOTBOARD SHROUDS/FRAMEMotors Limited Warranty BATTERIES/CHARGERController and Joystick DISASSEMBLING/ASSEMBLING the M71Signal Word Meaning Special NotesSeat Positioning Strap Trro and Trbkts Warnings Wiring Label on M71 Standard with Battery Covers Label LocationsOne of these battery wiring Labels is in this location M71 with PTO+ Labels Typical Product Parameters Typical Product ParametersInch VAN Asba Repair or Service Information General GuidelinesOperation Information Tire Pressure ElectricalBatteries Grounding InstructionsEMI Information EMI InformationEMI Information Safety INSPECTION/ Troubleshooting Safety Inspection ChecklistsInspect/Adjust Troubleshooting Troubleshooting ElectricalDisplay Description Definition Diagnostics Code Possible SolutionSUB Code E05 Symptom SolutionsJS REV TOO Large Troubleshooting Common Troubleshooting Motor/Gearbox/BrakeSymptom Probable Cause Solutions WheelsTion. Replace motor or gearbox if contamination Troubleshooting Battery Troubleshooting Battery ChargerChecking Battery Charge Level DON’TField Load Test Motor Testing Battery QualitySeat Assembly Removing/Installing the Seat AssemblyInstalling Seat Removing SeatAdjusting the Seat Height Removing/Installing the Seat AssemblyWheelchair Equipped with Available Mounting Holes for VAN Seat with NON-HEMI Front RiggingVAN Seat with Hemi Front Rigging or Footboard Removing/Installing the Adjustable Height Tubes Asba Seat with Footboard Or Front Riggings NON-HEMI or HemiRemoving/Installing the Adjustable Height Tubes Adjustable Asba Seat Service Procedures Removing/Installing the Seat PanAdjusting the Seat Width Seat WidthAdjusting the Seat Depth Frame Size Seat Depth RangeSeat Depth DISTANCE* in Inches Removing/Installing Side Rails Adjusting the Seat DepthRemoving/Installing Side Rails Replacing the Seat Frame Replacing the Seat FrameRemoving/Installing the Back Canes Removing/Installing the Back Canes Replacing Seat Positioning StrapAdjusting the Back Angle 11 Adjusting the Back AngleAsba Seat Service Procedures 12 Removing/Installing the Seat PanChanging the Seat Width/Depth Replacing the Seat Frame 13 Replacing the Seat FrameReplacing the Seat Positioning Strap Back UpholsterySeat Assembly Seat Assembly 15 Removing/Installing the Back Upholstery Back Height16 Adjusting the Back Angle Angle Back Cane Mounting Hole Back Angle Plate HoleVan Seat Service Procedures Adjusting the Seat Position on Van Seat Frame18 Adjusting the Seat Position on Van Seat Frame Adjusting the Van Seat Back Depth Back Depth Seat SizeArm Service Procedures for Van Seat Removing/Installing Van Seat ArmAdjusting Van Seat Arm Width ArmsAdjusting Van Seat Arm Angle Adjusting Van Seat Arm HeightArmrest Pad Armrest Insert Mounting Screw Arm Post Washers Locknut Arm Service Procedures for Asba or Adjustable Asba Seat Removing/Installing Flip Back ArmrestAdjusting the Flip Back Armrest Adjusting the Flip Back Armrest Wheels Replacing the Front/Rear CastersAdjusting Caster Assembly Adjusting Caster AssemblyRemoving/Installing the Front/Rear Caster Assemblies Removing/Installing the Front Headtube AssemblyInstalling RemovingRemoving/Installing the Drive Wheel Installing the Drive WheelRemoving the Drive Wheel Removing/Installing the Drive Wheel Inner Rim Installing/Removing Front Riggings Front RIGGINGS/ FootboardAdjusting Footrest Height Model PHWH93 Front RiggingsModel PH904A and PHAL4A Front Riggings Adjusting/Replacing Telescoping Front Rigging Supports Replacing Heel LoopsRaising/Lowering Elevating Front Riggings Van SeatStandard Position Inch OUT Inches OUT Adjustable Asba Seat Asba SeatRemoving/Installing the Footboard Assembly Angle/Depth/Height Adjustment of the Footboard Assembly Angle AdjustmentDepth Adjustment Height Adjustment 11 Depth Adjustment/Height AdjustmentRemoving/Installing the Shrouds SHROUDS/FRAMERemoving/Installing the Shrouds Disassembling/Reassembling the Side Frame Assembly Removing/Installing the Pivot TubeDisassembling/Reassembling the Side Frame Assembly Removing/Installing the SureStep Springs Removing/Installing the SureStep Springs Removing/Installing the Motor MotorsRemoving/Installing the Motor Release Lever Removing/Installing the Motor Release LeverReplacing Internal Motor Brushes Replacing Internal Motor Brushes Inspecting/Replacing External Motor Brushes Electro-Mechanical Parking Brake Testing Electro-Mechanical Parking Brake TestingBATTERIES/CHARGER Using the Proper Batteries Using the Proper BatteriesRemoving/Installing Batteries From/Into Battery Tray Tool Quantity CommentsInstalling Batteries Removing BatteriesRemoving/Installing Batteries From/Into Battery Tray Connecting/Disconnecting Battery Cables Connecting Battery Cables20 x 7/8-Inch Disconnecting Battery Cables Removed for clarityReplacing the On-Board Battery Charger Fuse Replacing the On-Board Battery Charger Replacing the On-Board Battery Charger FuseReplacing the On-Board Battery Charger Disconnecting/Connecting the Joystick DisconnectingConnecting Controller and JoystickRemoving/Installing the Joystick Van Seat ModelsAsba and Adjustable Asba Models Removing/Installing the Joystick Van Seat ModelsReplacing the Mkiv RII Controller Replacing the Mkiv RII Controller Replacing the MK5-NX or MK660 ACC Controller Replacing the MK5-NX or MK660 ACC ControllerDISASSEMBLING/ Assembling the M71 Disassembling/Assembling the WheelchairDisassembling the Wheelchair 104 Disassembling the Wheelchair Assembling the Wheelchair Assembling the Wheelchair Final Assembly Transport Ready Package Specifications Model Wheelchair Weight LimitAbout Transport Ready Packages Compliance InformationSecuring the Wheelchair to the Vehicle Positioning the Wheelchair in the VehicleSecurement Points Securing the WheelchairSecuring the Occupant Wheelchair-Anchored BeltsVehicle-Anchored Belts Seating SystemRating Description Positioning Belts Positioning BeltsLimited Warranty USA
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