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Service Manual
MK ™NX™Electronics
5
NX
NX-B
NX-LP
NX-50
NX-75
NX w/ACC
DEALER: Keep this manual. The
procedures in this manual MUST be
performed by a qualified technician.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
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USEFUL TERMS WARNING A QUALIFIED TECHNICIAN MUST PERFORM THE INITIAL SET UP OF THIS WHEELCHAIR. ALSO, A QUALIFIED TECHNICIAN MUST PERFORM ALL PROCEDURES IN THE SERVICE MANUAL. WHEELCHAIR USERS: DO NOT SERVICE OR OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING (1) THE OWNER’S OPERATOR AND MAINTENANCE MANUAL AND (2) THE SEATING SYSTEM MANUAL (IF APPLICABLE). IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS, CAUTIONS, AND INSTRUCTIONS, CONTACT INVACARE TECHNICAL SUPPORT BEFORE
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TABLE OF CONTENTS TABLE OF CONTENTS USEFUL TERMS ................................................................................. 2 SPECIAL NOTES ................................................................................ 5 SECTION 1—GENERAL GUIDELINES ................................................... 6 Controller Settings/Repair or Service ...................................................................................................6 Operation Information...........................
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TABLE OF CONTENTS TABLE OF CONTENTS SECTION 6—REMOTE PROGRAMMER .............................................. 26 Overview....................................................................................................................................................26 Remote Programmer Terminology......................................................................................................27 Function.....................................................................................
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SPECIAL NOTES SPECIAL NOTES Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for definitions of the signal words. SIGNAL WORD MEANING Danger indicates an imminently hazardous situation which, if not avoided DANGER will result in death or serious injury. Warning indicates a potentially hazardous situation which, if not avoided, WARNING could result in death or serious injury. Cautio
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SECTION 1—GENERAL GUIDELINES SECTION 1—GENERAL GUIDELINES WARNING SECTION 1 - GENERAL GUIDELINES contains important information for the safe operation and use of this product. DO NOT use this product or any available optional equipment without first completely reading and understanding these instructions and any additional instructional material such as Owner’s Manuals, Service Manuals or Instruction Sheets supplied with this product or optional equipment. If you are unable to understand
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SECTION 2—EMI INFORMATION SECTION 2—EMI INFORMATION WARNING CAUTION: IT IS VERY IMPORTANT THAT YOU READ THIS INFORMATION REGARDING THE POSSIBLE EFFECTS OF ELECTROMAGNETIC INTERFERENCE ON YOUR POWERED WHEELCHAIR. Electromagnetic Interference (EMI) From Radio Wave Sources Powered wheelchairs and motorized scooters (in this text, both will be referred to as powered wheelchairs) may be susceptible to electromagnetic interference (EMI), which is interfering electromagnetic energy (EM) emitted
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SECTION 2—EMI INFORMATION WARNING Powered Wheelchair Electromagnetic Interference (EMI) Because EM energy rapidly becomes more intense as one moves closer to the transmitting antenna (source), the EM fields from hand-held radio wave sources (transceivers) are of special concern. It is possible to unintentionally bring high levels of EM energy very close to the powered wheelchair's control system while using these devices. This can affect powered wheelchair movement and braking. Therefore,
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SECTION 3—TROUBLESHOOTING SECTION 3—TROUBLESHOOTING All Power Wheelchairs SYMPTOM PROBABLE CAUSE SOLUTIONS Error Code E03 or E04, Motor lock levers disengaged. Engage motor lock levers. Refer to the wheelchair 3 or 4 flashes of joystick Owner’s Manual for more information. LEDs. Bad motor connection. Check all motor connections. Ohm out motors. Check brushes and replace if necessary. Replace motors if high reading is present. Normal reading is 0.2-5 Ohms (4 Pole motors) or 0.5-5 Ohms (2 Pole
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SECTION 3—TROUBLESHOOTING Wheelchairs With Elevate Systems SYMPTOM PROBABLE CAUSE SOLUTIONS Seating system not functioning Low batteries. Charge batteries. Refer to the seating system or working intermittently. Owner’s Manual. Faulty electrical Check all connections. connection. Blown fuse. Replace wiring harness. Refer to the seating system Owner’s Manual. Seat has been driven Allow time for the electronics to cool down (Light under a heavy load for an Duty Use). Leave power on, and do not a
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SECTION 4—JOYSTICK DESCRIPTIONS SECTION 4—JOYSTICK DESCRIPTIONS SPJ™and CSPJ™Joystick Switches and Indicators NOTE: For the following information, refer to FIGURE 4.1. SPJ Joystick Joystick Charger/ Programming Input Speed Control Knob On/Off Toggle Switch To Controller CSPJ Joystick Horn Information Joystick Multi-Function Gauge On/Off Charger Port Button Speed Control Knob To Controller FIGURE 4.1 SPJ™and CSPJ™Joystick Switches and Indicators On/Off Switch SPJ Joysticks This toggle swi
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SECTION 4—JOYSTICK DESCRIPTIONS Speed Control Knob The speed control knob is located on the back of the joystick housing. This rotary switch is used for controlling the speed and acceleration of the wheelchair. 1. Turn the switch clockwise to increase the speed of the wheelchair. 2. Turn the switch counterclockwise to decrease the speed of the wheelchair. Joystick The joystick has proportional drive control, meaning that further the joystick is pushed from the upright (neutral) position, the
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SECTION 4—JOYSTICK DESCRIPTIONS SPJ Diagnostic Indications of Wheelchair Status DISPLAY DESCRIPTION DEFINITION COMMENTS All three LEDs are off. Power is Off. INVACARE All three LEDs are on. Power is On. Fewer than three LEDs on implies reduced battery charge. INVACARE RED LED is flashing. Battery charge is low. The batteries should be charged as soon as possi- ble. INVACARE Left to Right “chase” alter- Joystick is in program- The steady LEDs indicate nating with steady display. ming, inhibit
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SECTION 4—JOYSTICK DESCRIPTIONS CSPJ Diagnostic Indications of Wheelchair Status DISPLAY DESCRIPTION DEFINITION COMMENTS All LEDs are off. Power is Off. All LEDs are on. Power is On. Fewer than three LEDs on implies reduced battery charge. Left RED LED is flashing. Battery charge is low. The batteries should be charged as soon as possi- ble. Left to Right “chase” alter- Joystick is in program- The steady LEDs indicate nating with steady display. ming, inhibit and/or charg- the current state
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SECTION 4—JOYSTICK DESCRIPTIONS SPJ+ and SPJ+ w/ACC Joystick Switches and Indicators NOTE: For this procedure, refer to FIGURE 4.2. SPJ+ Joystick Joystick Information Gauge Display On/Off Button Decrease Speedometer Speed Button (Tortoise) Increase DETAIL “A” - Speed Button FRONT VIEW (Hare) GREEN Charger/ LED Programming Input Service Indicator SPJ+ w/ACC Joystick Joystick Information Gauge Display On/Off Mode Button Button Decrease Speedometer Speed Button (Tortoise) Increase
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SECTION 4—JOYSTICK DESCRIPTIONS On/Off Button This button is located at the front of the joystick housing. It is used to turn the wheelchair on and off, to remove the joystick from sleep mode (if programmed) and to lock or unlock the joystick (if programmed). Speedometer The speedometer is used to show the maximum speed. The right-most LED indicates current maximum speed setting. The bottom left GREEN LED flashes to indicate that the joystick is in speed limit mode. Speed limit mode limits t
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SECTION 4—JOYSTICK DESCRIPTIONS Joystick The joystick has proportional drive control, meaning that further the joystick is pushed from the upright (neutral) position, the faster the wheelchair or seat moves. Your top speed, however, is limited by the programmed settings. To slow the wheelchair to a stop, simply release the joystick. The wheelchair has automatic speed and direction compensation to minimize corrections. Charger/Programming Input The charger/programming input is located at the f
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SECTION 4—JOYSTICK DESCRIPTIONS INFORMATION DESCRIPTION DEFINITION COMMENTS GAUGE DISPLAY All LEDs are off. Power is off. All LEDs are on. Power is on. Fewer than three LEDs on implies reduced battery charge. Left RED LED is flashing. Battery charge is low. The batteries should be charged as soon as possible. Left to Right “chase” Joystick is in The steady LEDs indicate the alternating with steady programming, inhibit and/ current state of the battery display. or charging mode. charge. All
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SECTION 5—PERFORMANCE ADJUSTMENTS SECTION 5—PERFORMANCE ADJUSTMENTS Main Menu NOTE: For this procedure, refer to FIGURE 5.1. The first display screen shown after powering on the Remote Programmer is the Main Menu. The main menu consists of the following options: Performance Adjust, Programs, Other. The arrow to the left is the selection pointer. It can be moved up or down the main menu by pressing the up or down key. Remote ➜ PERFORMANCE ADJUST Programmer PROGRAMS OTHER LCD Display POWER
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SECTION 5—PERFORMANCE ADJUSTMENTS NX-LP NOTE: For this procedure, refer to FIGURE 5.3. The Performance Adjust Menu for NX-LP consists of the following: Remote ➜ FORWARD SPD Programmer TURNING SPD ACCELERATION - FWD LCD Display ACCELERATION - REV REVERSE SPEED FIGURE 5.3 Performance Adjust Menu - NX-LP Making Performance Adjustments WARNING DO NOT mismatch a program with the wheelchair type (i.e. selecting a rear wheel drive program for a center wheel drive wheelchair or vice versa). Advers
