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MKIV AND MKIV GB (GEARLESS/BRUSHLESS) Service Manual

1. After entering Stand by Sel mode a Forward command will select normal driving and a Left command will select reversed driving REMOTE SEL REMOTE DRIVE SELECTION mode allows one 1 of the four 4 driving programs DRIVE 4 to be selected through the driver control When enabled the DRIVE SEL toggle switch is still active The Remote Drive Selection mode is entered from the Drive mode by activating the Emergency Stop Reset switch The GREEN mode indicator will flash at a one 1 second rate and if active the audible indicator will provide three 3 short beeps U m T le K 4 gt Z m g C M lt m 2 mr 7 E 2 E Uu 2 a lt UO 2 lt tc SECTION IV PERFORMANCE ADJUSTMENTS The joystick position either switch type or proportional will advance the drive program selector and light the appropriate drive indicator LEFT Advance to next higher drive eg DRIVE 2 to 3 LEFT Advance to next higher drive eg DRIVE 3 to 4 LEFT Wrap round to First drive If REMOTE SEL is OFF in one drive the control will skip over that drive and advance to the next drive that REMOTE SEL is ON The Remote Drive Selection mode is exited by activating the Emergency Stop Reset switch or by activating Standby Select Use the key to enable Remote Drive Selection capability Use the key to disable the function NOTE Either Invacare s propor
2. 2 2 2 2 3 3 4 4 5 5 5 6 6 7 7 7 7 7 7 7 7 7 7 N 3l 42 a v Q H 42 le 2 O 4 A SECTION VII NO OF BDI BARS FLASHING DIAGNOSTICS CODE 32 DIAGNOSTICS CODES CAUSE OF ERROR CPU EEPROM fault detected Isolation Relay is faulty System communications error Check connectors Network Fail bit Sip amp Puff output overrange Control Neuron failure Current Sense not calibrated Motor Voltages Not Matched General Power Stage Fault MKIV G B Only Power Stage Communications Time Out MKIV G B Only SECTION VII DIAGNOSTICS CODES FOR WHEELCHAIRS EQUIPPED WITH G B CONTROLLERS AND SOFTWARE VERSIONS 3 20 OR HIGHER SOFTWARE The User Advices are shown in table below NO ADVICE CALL DEALER SWITCH OFF AND ON RETRY GB CONTROLLER FAILURE CHECK LEFT MOTOR CABLING CHECK RIGHT MOTOR CABLING CURRENT CALIBRATION JIG FAULT CURRENT LIMIT TEST FAILURE CONTROL SOFTWARE FAILURE LEFT MOTOR CALIBRATION RETRY 9 RIGHT MOTOR CALIBRATION RETRY 10 LOW BATTERY RECHARGE 11 CHECK JOYSTICK CABLING 12 CURRENT NOT CALIBRATED 13 MOTOR NOT CALIBRATED gt Oo z gt 2 o O o 0 m BDI BARS DIAGNOSTICS USER FLASHING 0 D ADVICE CAUSE OF ERROR 8 E40 0 Unidentifiable error 8 E41 Replace control only if fault repeats 8 E42 2 Left Current Sensor Error 8 E4
3. 2 5 4 gt fa lt a Z lt E SECTIONV STANDARD VALUE SETTINGS Gearless Brushless Controllers for Software Versions 3 20 or Higher INDOOR JOYSTICK AVE An indoor program for the average joystick user MODERATE OUTDOOR A medium speed program for rougher terrain SPEED LEVEL TERRAIN A high speed program for flat smooth hard surfaces RAMPS AND CURBS MODE A medium speed program for maneuvering on ramps and climbing curbs INDOOR LEARNER A learning or indoor performance settings VERY SLOW DRIVING Very slow driving performance TREMOR DAMP MODE A spasticity program LEARNER 3SPD MOM A momentary switch input joystick non proportional program with three 3 speeds in forward and one 1 in reverse ASL INDOOR LEARNER A momentary switch program for initial setup of Adaptive Switch Laboratories systems ASL OUTDOOR FASTER A momentary switch program for more experienced users of Adaptive Switch Laboratories systems LEARNER SIP amp PUFF A learning program for SIP amp PUFF with cruise control and momentary reverse VERY SLOW ISPD S amp A SIP amp PUFF program with one latched speed in forward LEARNER FOR 1500RIM A learner program for the RIM head control 26 CONTROLLER CALIBRATION SECTION VI Vi CALIBRATION OF THE CONTROL MODULE When replacing a GB motor OR controller recalibration of the motor MUST be performed Failure to observe this warning will result in
4. Service Manual MKIV AND MKIV GB GEARLESS BRUSHLESS Contents SECTION PAGE Special Notes and Safety Summary ses 2 Location of Control Unit and Remote Programmer 5 Joysticks Switches and Indicators sss ll 6 Remote PEOB AImmIge sienten i plas IRAQ I 9 Performance Adjustments eerte IV I Standard Value Settings eese V 25 Calibration of the Control Module sss VI 27 Diagnostic CodeS VII 31 Gg Mu VIIL 35 MKIV Tilt and Recline Control Module IX 49 MKIV Two Actuator Controller eee X 54 Calibrating Potentiometers 57 Invacare Virtual Service Set Up eee XII 62 Connector Descriptions seront epe rede dieta XIII 64 Current 66 E AEE E 69 Limited VV ttd Deo nta 7 DEALER KEEP THIS MANUAL THE PROCEDURES IN THIS MANUAL MUST BE PERFORMED BY A QUALIFIED TECHNICIAN ONLY INVACARE Yes you can o 2 l 2 SPECIAL NOTES SPECIAL NOTES WARNING notices as used in this manual apply to hazards or unsafe practices wh
5. FORWARD or REVERSE commands will scroll the display through the performance menu and show the value for each function Giving a RIGHT command will select the displayed function for adjustment The Menu icon will disappear and the ADJUST icon will be displayed FORWARD SPD 95 ADJUST Adjustment of the function is performed by giving FORWARD or REVERSE commands which will increase or decrease the value respectively When the function is changed to its new desired value a LEFT command will cause the MENU icon to be displayed Saving the changes to the current drive program is performed by actuating the Program switch Exiting mode without saving the changes is accomplished by moving the Power switch to the OFF position or allowing 45 seconds to elapse without giving any joystick commands 24 STANDARD VALUE SETTINGS SECTION V V STANDARD VALUE SETTINGS The standard value settings are available as a reference point for initial set up of the chair for final user setting or whenever major changes have been made in the performance and a known starting point needs to be re established A selection of seven 7 proportional and five 5 non proportional programs are available Select STANDARD VALUES from the main menu to display the standard value menu Press O to select the standard program to be placed in the temporary memory Press the SAVE key to store the program into a selected drive Then make changes to specific fun
6. QUIT PRESS POWER The display screen will change to show the driving programs available for programming The RX joystick and 1554XM4 have only two driving programs only DRIVE and DRIVE 2 will be shown Use the key to move the selection arrow down to select drives displayed 2 DRIVEI DRIVE 2 DRIVE 3 DRIVE 4 Use the key to move the selection arrow down DRIVE gt DRIVE2 DRIVE 3 DRIVE 4 To view the menu for DRIVE 2 press the SELECT key The display screen changes to show the first four 4 performance functions and the programmed values for the functions The selection arrow points to the first function Pressing the or O key will move the selection arrow up or down 2 FORWARD SPD 95 TURNING SPD 50 ACCELERATION 3076 SENSITIVITY 3576 PERFORMANCE ADJUSTMENTS SECTION IV Move the selection arrow down to TURNING SPD by pressing the key FORWARD SPD 9576 2 TURNING SPD 5076 ACCELERATION 3076 SENSITIVITY 3576 Move the selection arrow down to ACCELERATION by pressing the O key again FORWARD SPD 9576 TURNING SPD 5076 2 ACCELERATION 3076 SENSITIVITY 35 Move the selection arrow to SENSITIVITY by pressing the key again FORWARD SPD 95 TURNING SPD 50 ACCELERATION 30 gt SENSITIVITY 35 U m pu le A K 4 gt 2 gt g C M z m Z Pressing the key again leave the selection arrow the same place and the entire performance menu
7. TILT ANGLE RECLINE ANGLE Select the menu item that corresponds to the potentiometer to be adjusted The up angle adjustment screen will then be displayed TILT ANGLE POTENTIOMETER CALIBRATION Position the seat back in the fully upright position Using a protractor or angle pitch calculator measure the actual angle of the seat with respect to the floor This measurement should will range from 0 10 degrees Adjust the tilt up angle setting on the programmer to the measured angle Then press the SELECT key on the programmer to proceed to the tilt down adjustment screen TILT UP ANGLE 5 PRESS SAVE TO CONTINUE Tilt the seat until the measured angle is approximately 50 degrees and adjust the tilt down angle setting on the programmer to the measured angle The range is 45 55 degrees Then press the SAVE key on the programmer to store both the up and down angle adjustments in the user memory TILT DOWN ANGLE 50 PRESS SAVE TO SET ANGLES 57 O gt Z 0 m Z m lt m 2 WY Lu 2 fe 2 z m U SECTION XI CALIBRATING POTENTIOMETERS RECLINE ANGLE POTENTIOMETER CALIBRATION Position the seat back in the fully upright position Using a protractor or angle pitch calculator measure the actual angle of the back with respect to the seat pan This measurement will range from 85 95 degrees Adjust the recline up angl
8. the DIAGNOSTIC CODE Section of this manual A JOYSTICK FIGURE 4 DRIVE SELECT ON OFF SWITCH three 3 position toggle switch is located at the back of the joystick housing The DRIVE SELECT position is momentary 6 JOYSTICK INDICATORS A JOYSTICK CONTINUED This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 or 3 or 4 program As an example an operator may have a control need for spasticity in the morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and SECTION II Battery Gauge Display Joystick Speed Contro Mode Indicator To m Level Indicator Drive 4 Drive 3 Power Drive Drive 2 Drive Select quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa The other two drive programs could be indoor and outdoor versions of DRIVE and DRIVE 2 e To select DRIVE mode move the toggle Up and release DRIVE indicator becomes lighted To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 indicator becomes lighted To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 indicator becomes lighted To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 indicator
9. 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 the warnings listed below are recommended to prevent possible interference with the control system of the powered wheelchair Electromagnetic interference EMI from sources such as radio and TV stations amateur radio HAM transmitters two way radios and cellular phones can affect powered wheelchairs and motorized scooters Following the warnings listed below should reduce the chance of unintended brake release or powered wheelchair movement which could result in serious injury o 2 l 2 5 2 1 Do not operate hand held transceivers transmitters receivers such as citizens band CB radios or turn ON personal communication devices such as cellular phones while the powered wheelchair is turned ON 2 Be aware of nearby transmitters such as radio or TV stations and try to avoid coming close to them 3 If unintended movement or brake release occurs turn the powered wheelchair OFF as soon as it is safe 4 Be aware that adding accessories or components or modifying the powered wheelchair may make it more susceptible to EMI Note There is no easy way to evaluate their effect on the overall immunit
10. TYPE function tells the control module which driving input is to be used to control the chair The choices are SWITCH JOY for driver controls that are connected to the 9 pin connector and SIP amp PUFF for control through a breath tube connected to the pressure transducer input Use the key to move the selection arrow to the desired input device type Note The input type selection must be made for each driving program individually This feature provides the ability to have two driver input controls for greater flexibility in meeting the needs of individual users However for single driver input chairs failing to make a consistent selection in all driving programs will result in the chair appearing to be inoperable in one or more drives CALIBRATING THE SIP amp PUFF PRESSURES Calibration of the transducer pressure set points is performed under the CALIBRATIONS menu When the main menu is displayed move the selection arrow down to CALIBRATIONS Press the SELECT key The screen changes to the Calibration menu screen with each adjustable function and its current value Sip amp Puff calibrations are near the bottom of the menu Move the selection arrow down to point at the function that needs to be adjusted 2 HARD PUFF CAL 1 40 SOFT PUFF CAL 0 50 SOFT SIP CAL 0 70 HARD SIP CAL 2 00 45 OPTIONS SECTION VIII OPTIONS Press the SELECT key The display screen changes to the adjustment screen The top line shows the func
11. The selections are the same as for ECUI See Section VIII Options for a description of the Output Accessory module connectors for ECU2 ECU3 ECU3 selects the performance of the environmental control card in slot 3 of the accessory output module The selections are the same as for ECUI See Section VIII Options for a description of the Output Accessory module connectors for ECU3 ECUA ECUA selects the performance of the environmental control card in slot 4 of the accessory output module The selections are the same as for ECUI See Section VIII Options for a description of the Output Accessory module connectors for ECUA RECLINER The Recliner function appears when the optional 1815M4 Variable Speed Actuator Controller and an A or option joystick are installed When the RECLINE mode is active the LCD will show RECLINER on the A or option display On the A joystick the Mode LED will be unlighted and the Level LED will be flashing 21 U m A T le A K 4 gt Z gt g C z m Z SECTION IV PERFORMANCE ADJUSTMENTS The selections for driver control of the recliner through the joystick are as follows OFF Disables joystick operation of the recliner control outputs for this drive The independent or manual switch will function normally MOM MOTOR Momentary motor control means that the up or down function is active only when the driver command is active LATCHED changes the o
12. They are DRIVE SELECT MENU and ADJUST The LCD display is easily readable in both bright sunlight and complete darkness During normal operation the active drive is displayed on the first line e g DRIVE The second line serves as the battery discharge indicator BDI It provides information on the remaining charge in the batteries At full charge all ten 10 segments between E Empty and F Full are filled in by a solid block As the battery becomes discharged the farthest right segments will progressively disappear until no segments appear between E and F At this level the word RECHARGE will start to flash on and off while in neutral to indicate that the user should charge the batteries as soon as possible If a fault is detected the cause of the fault will be scrolled across the second line of the display The DRIVE icon will be displayed whenever the chair is in drive mode SPECIAL PURPOSE INDICATORS There are sixteen 16 LED indicators below the LCD display These indicators will not become lighted until the particular function or mode is ACTIVE See APPENDIX for the LED display information DRIVER CONTROL INPUT CONNECTOR The connector on the non proportional input module is a male 9 pin D Subminiature connector PIN DESIGNATION FORWARD REVERSE LEFT RIGHT ATTENDANT OVERRIDE RESET EMERGENCY STOP 5V 50 mA max COMMON B 15V 500mA ADU BW 44 OPTIONS SECTION VIII All driver co
13. Tilt Storm ASBA seats allow static tilt to be set anywhere from 0 to 10 of tilt The amount of tilt an individual needs is determined by postural need line of sight requirements and balance As tilt increases user weight is shifted rearward away from the front casters Some tilt in the system may also allow the seat to be located more rearward without caster interference 67 E 2 9 2 2 2 2 gt VIRTUAL SERVICE SET UP Electronic Adjustments It is highly recommended that the proper mechanical adjustments be made before adjusting the programmable features of the electronics Adjusting the electronics without proper mechanical adjustments can result in poor driving performance and cause current rollback to occur faster 2 Once the mechanics have been optimized then load the standard proportional performance or learner indoor program These have moderate torque levels that should provide adequate power on a well balanced chair 3 certain the user is selecting an appropriate drive mode for the intended environment In other words Learner Indoor programs unmodified are not intended to be used over rough outdoor terrain 4 If the chair feels like it needs more power then FIRST check the power level setting in EACH drive Most are set at 8076 or lower Simply increase this parameter and re save If more power is still needed then the torque parameter can be inc
14. applied to the transducer In this case it is above the Soft Puff set point and well below the Hard Puff set point HARD PUFF LESS 1 40 BERN The next screen shows the Soft Puff adjustment screen The S symbol shows the set point for the Soft Puff and the H shows the set point for the Hard Puff The bottom line shows that no pressure is being applied to the transducer SOFT PUFF The screens for the Soft Sip and Hard Sip are similar except that the bottom scale shows sipping pressure or vacuum at the transducer 1555M4 REMOTE JOYSTICK AND DISPLAY OPTIONAL The 1555 4 Joystick consists of a display module and a joystick module DRIVER SELECT ON OFF To Controller SWITCH Three 3 position my toggle switch is located on the joystick module to the right of the joystick The DRIVE SELECT position is momentary REMOTE DRIVE SELECT JACK This is a 1 8 inch jack that provides a connection point for a remotely located drive select switch The switch type can be any normally open momentary switch View A Y View A To Controller Spare for Additional Options OPTIONS SECTION VII This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 or 3 or 4 program As an example an operator may have a control need for spasticity in th
15. be TRUE If the seat or back is not at a limit the status will be FALSE TILT UP LIMIT Shows the status of the limit as programmed in the Performance Menu If the limit has been reached the status will be TRUE If the seat or back is not at a limit the status will be FALSE RECLINE UP LIMIT Shows the status of the limit as programmed in the Performance Menu If the limit has been reached the status will be TRUE If the seat or back is not at a limit the status will be FALSE RECLINE DOWN LIMIT Shows the status of the limit as programmed in the Performance Menu If the limit has been reached the status will be TRUE If the seat or back is not at a limit the status will be FALSE TILT ANGLE Shows the actual angle of the seat in degrees as measured by the Tilt potentiometer RECLINE ANGLE Shows the actual angle of the back as measured by the Recline potentiometer FORWARD SWIT CH Shows the state of each of the user attendant switch inputs When the switch is released it will Show OFF When activated it will Show ON REVERSE SWITCH Shows the state of each of the user attendant switch inputs When the switch is released it will Show OFF When activated it will Show ON LEFT SWITCH Shows the state of each of the user attendant switch inputs When the switch is released it will Show OFF When activated it will Show ON RIGHT SWITCH Shows the state of each of the user attendant switch inputs When the switch is released it
16. be getting hot HOT will be displayed if the actuator has been running under a heavy load for a long period of time This feature keeps the motor from overheating Allow the actuator to cool down for about five 5 minutes the display will show OK once the motor has cooled down 52 MKIV TILT AND RECLINE MODULE SECTION IX 24V POWER Shows the state of the battery connection for power to the TRCM The actuators will not function unless the battery connection is made TILT LIMIT POT M SW Tests the connection to the Tilt position potentiometer or the drive lockout mercury switch If connected the indication will be OK If the connection is not made the indication will be OPEN If the indication is OPEN on the Tilt Limit Pot M Sw AND the Recline Limit Pot M Sw the system WILL NOT function RECLINE LIMIT POT M SW Tests the connection to the Recline position potentiometer or the down limit switch If connected the indication will be OK If the connection is not made the indication will be OPEN If the indication is OPEN on the Tilt Limit Pot M Sw AND the Recline Limit Pot M Sw the system WILL NOT function DRIVE LOCKOUT Shows the status of the limit as programmed in the Performance Menu If the limit has been reached the status will be TRUE If the seat or back is not at a limit the status will be FALSE TILT DOWN LIMIT Shows the status of the limit as programmed in the Performance Menu If the limit has been reached the status will
17. becomes lighted e Move the toggle UP and release more time to select DRIVE SPEED CONTROL Rotary knob is located at the back of the joystick housing Turning the knob clockwise increases the maximum speed of the chair FIGURE 4 A JOYSTICK JOYSTICK Proportional drive control located at the front of the control provides smooth control of speed and direction BATTERY GAUGE DISPLAY BGD Located at the rear of the control provides information on the remaining charge in the batteries At full charge the two left segments and the farthest right segment of the bar graph are lighted As the battery becomes discharged the farthest right segment will progressively move to the left until only the last two 2 bars are lighted at this level the last two 2 bars will start to flash on and off to indicate the user should charge the batteries as soon as possible The BGD also serves as a system diagnostic device when a fault is detected by the control module A specific number of bars up to eight 8 bars will start to flash on and off to indicate the type of fault detected A chart of the diagnostic indications is given in the DIAGNOSTIC CODE Section of this manual MODE and LEVEL INDICATORS Two LED indicators are located on either side of the battery bar graph display lt d Z O gt le J uv oc ie E lt q gt a 2 m 2 LE 2 gt SECTION 11 JOYSTICK INDICA
18. from each other to 500VAC The connectors on the ECU board are female 9 pin D Subminiature connectors PIN DESIGNATION FORWARD 2 REVERSE 3 LEFT 4 RIGHT 5 N C COMI2 Phono Jack COM34 8 COMMON 6 7 8 N C 3 Reset Emergency Stop Connector The connector accepts 1 8 diameter Phono plug The Emergency Stop switch must be an open contact for normal driving and a closed contact to activate the Emergency Stop function PIN DESIGNATION TIP RESET EMERGENCY STOP RING COMMON B 4 6 Pin Connector on Control Module PIN DESIGNATION SERIAL DATA 2 SERIAL DATA 2 3 IS5SVDC 4 COMMON B 5 15V SWITCHED 6 N C 64 CONNECTOR DESCRIPTIONS SECTION XIII 5 5 Pin Connector on Control Module PIN DESIGNATION SERIAL DATA 2 SERIAL DATA 2 Q 3 N C 2 4 Z 5 15V SWITCHED 6 AVS Printer Port 8 DIN on Control Module PIN DESIGNATION 5VDC m 2 SCI DATA IN D 3 SCI DATA OUT 5 4 SCI CLOCK m 5 COMMON 9 6 SERIAL DTR RXD 7 SERIAL TXD 8 PRINT SWITCH 7 Battery Connector Blue 75 AMP PIN DESIGNATION BATTERY POS B 2 BATTERY NEG B 3 CHARGER INHIBIT 8 Left and Right Motor Connectors 4 Pin Anderson MKIV PIN DESIGNATION WHITE M Black BRAKE Black BRAKE RED M 9 13 D Sub MKIV G B PIN DESIGNATION Al PHASE A A2 PHASE B A3 PHASE C SENSOR 5V 2 SENSOR GND 3 SENSOR SIN 4 6 7 8 NC 5 SENSOR COS 9 BRAKE 10 BRAKE 65 E
19. have become discharged to indicate battery capacity If the AH value is much lower than the battery manufacturer s specification the batteries may be bad or the charger could be undercharging Independent checks should be made FAULT LOG The Fault Log shows all of the fault codes that have been detected by the diagnostic system since the control was built in the factory The fault codes correspond to the Diagnostics Codes given in the next section The Fault Log can be used by the service technician to uncover the cause of intermittent faults that are not evident when the chair is being serviced Note It is normal to have some codes in the Fault Log even in a new chair because they are generated during factory testing and calibration AXES SELECTION Axes Selection redirects the driver input command to another axis For example The forward movement of the joystick can be changed to a reverse command Each of the four input axes can be redirected to any output axis Also OFF can be selected which will disable any response from that axis Use the and O keys to point to that axis Use the Select key to change the output axis Axes Selection does not affect the Attendant Control or 30 DIAGNOSTICS CODES SECTION VII Vil DIAGNOSTICS CODES The joystick battery discharge indicator and the Remote Programmer give indications of the type of fault or error detected by the control module When a fault is detected the chair will s
20. injury to the individual performing the calibration by standers or damage to the chair and surrounding property Position supports under the frame to suspend the drive wheels To calibrate or match the MKIV G B controller to the drive motors press the SELECT key The programmer will display WHEELS WILL MOVE DRIVE WHEELS RAISED YES gt NO Confirm the wheels are raised by moving the arrow to YES and pressing the SELECT key The programmer will display CHAIR WILL DRIVE ARE WHEELS RAISED YES gt NO Reconfirm the wheels are raised by moving the arrow to YES and pressing the SELECT key The programmer will display MOTOR CALIBRATION SELECT TO START WHEELS WILL DRIVE PRESS MENU TO EXIT NOTE This screen is a final reminder that the motors will turn while the calibration is performed If the drive wheels are on the ground the chair will drive and the calibration will be inaccurate Proceeding with the wheels on the ground could cause injury or property damage To cancel the calibration NOW press the MENU key to return to the main calibration menu CONTROLLER CALIBRATION SECTION VI Press the SELECT key to start the motor calibration When the process is complete the screen will change to COMPLETED TEST SAVING NEW VALUES REAR WHL DRIVE MKIV G B ONLY When the selection is ON default the chair operates normally for rear wheel drive chairs Choosing OFF selects the driving ch
21. is a performance characteristic which can be adjusted or modified to improve the operation of the chair for a particular control need Two 2 examples are The high speed function may be adjusted to a higher or lower speed the same way as you would adjust a trimpot in other controls m lt U 2 0 lt lt m A Stand by Mode Function may be turned ON or OFF the same as a switch would be used All functions are listed in a menu 2 VALUE Each function has a value It is the degree or amount of the function which is used to influence the overall chair performance Most values are numerical or in percentages for instance high speed may be set to 75 of the chair maximum For others the value is either ON or OFF for example Stand by Mode Changing a value is called adjustment 3 STANDARD PROGRAM Preset Programs The standard programs are fixed function values which are used as an initial set up point from which individualization of the chair performance can begin Standard values are NEVER altered or modified 4 TEMPORARY MEMORY Temporary memory is the location where the function values that are actually used to drive the chair are stored It is called temporary because these values are the ones that can be adjusted or modified through the Remote Programmer NOTE Also they are temporary because they are completely erased whenever the power switch is turned OFF 5 USER MEMORY Use
22. is made during individual DRIVE SECTION VII 181 2M4 Dual Proportional Joystick To Controller Spare for p Additional Options programming with the Remote Programmer JOYSTICK Proportional drive control provides smooth control of speed and direction There are no switches or indicators on the 1812M4 1554M4 SIP amp PUFF AND SWITCH INPUT AND DISPLAY OPTIONAL The 1554M4 is non proportional input module with built in pneumatic pressure sensor and an independent display module The input module can operate as a pneumatic driver control Sip amp Puff or as the input for variety of switch type joysticks which use a 9 pin D Subminiature connector DRIVE SELECT ON OFF SWIT CH Three position toggle switch is located on the display module in the lower right corner The DRIVE SELECT position is momentary This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 or 3 or 4 program As an example an operator may have a control need for spasticity in the morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa The other two 2 drive programs could be indoor and 1554MA4 Sip amp Puff T
23. menu allows individual setting of the actuators which will be activated with the four 4 switch controls or the driver control The four 4 switches are designated Forward Reverse Left Right and correlate to the four 4 driving directions on the driver control Each switch can be programmed to perform any of the following actuator functions When designated as UP DOWN the function is toggling Activating an actuator will move it UP first after stopping for one 1 second and actuating an actuator it will move in the DOWN direction 5 z d d 2 m Z m z Cc r m 2 a gt 2 l E E gt Y Z MKIV TILT AND RECLINE MODULE SECTION IX OFF Disables all actuators in the direction selected TILT UP DOWN Enables the Tilt Actuator with the toggling function RECLINE UP DOWN Enables the Recline and VSR actuators with the toggling function VSR UP DOWN Enables the VSR actuation with the toggling function LEGREST UP DOWN Enables the left and right legrest actuators with the toggling function RECLINE amp LEG UP DOWN Enables the Recline VSR Left Legrest and Right Legrest with the toggling function TILT UP Enables the Tilt Actuator for bringing the seat to the upright position TILT DOWN Enables the Tilt Actuator for tilting back the seat RECLINE UP Enables the Recline VSR and Power Leg Actuators to raise the seat back to the upright positio
24. on the display module Move the toggle UP and release 1 more time to select DRIVE I PROGRAM SWITCH This momentary toggle switch is located on the lower left of the display module It allows the user to enter the program mode and change the programmed parameters of the control module using the joystick as the input device LCD DISPLAY Located on the display module it provides information on the status of the chair through the 2 line by 12 character length back lighted display There are four words which may appear below the two 2 lines of text They are DRIVE SELECT MENU and ADJUST The LCD display is easily readable in both bright sunlight and complete darkness 40 OPTIONS SECTION VII During normal operation the active drive is displayed on the first line e g DRIVE The second line serves as the battery discharge indicator BDI It provides information on the remaining charge in the batteries At full charge all ten 10 segments between E Empty and F Full are filled in by a solid block As the battery becomes discharged the farthest right segments will progressively disappear until no segments appear between E and F At this level the word RECHARGE will start to flash on and off while in neutral to indicate that the user should charge the batteries as soon as possible If a fault is detected the cause of the fault will be scrolled across the second line of the display The DRIVE icon will be displaye
25. shifts up one line The selection arrow now points to BRAKING TURNING SPD 50 ACCELERATION 30 SENSITIVITY 35 gt BRAKING 35 To change the programmed value for SENSITIVITY press the key so the selection arrow points to SENSITIVITY TURNING SPD 5076 ACCELERATION 3076 gt SENSITIVITY 3576 BRAKING 3576 NOTE Percentages shown are examples of values and do not necessarily reflect the standard settings on your wheelchair Press the SELECT key The display screen changes to the adjustment screen The top line shows the function The second line shows the value At the bottom is a bar graph which shows the relative position of the current value to the total adjustment range Pressing the or O key will adjust the value SENSITIVITY 3576 LESS v E 2 E Uu 2 Q lt UO 2 lt tc m SECTION IV PERFORMANCE ADJUSTMENTS Pressing the key causes the value to increase and the bar graph to move toward MORE SENSITIVITY 70 LESS MORE If another change is needed press the MENU key to change the screen back to the performance menu and move the selection arrow to a new function To save this change press the SAVE key to show the first save screen The select arrow points to DRIVE 2 The RX joystick and 1554XM4 will show only two drive programs To select the drive program to which the changes just made will be stored use the or key to move the selection arrow to p
26. the chair to accelerate to its maximum speed A value of 100 is the quickest acceleration Use the and keys to change the values SENSITIVITY SENSITIVITY is the response time to turn commands A value of 100 is the quickest response to turn commands Use and O keys to change the value BRAKING BRAKING sets the limit on the maximum braking force available to stop the chair 100 represents the maximum braking capability of the system This function is independent of the acceleration setting Use the and O keys to change the value REVERSE SPEED REVERSE SPEED sets the reverse speed It is independent of the FORWARD SPEED setting A 100 value means the reverse speed will be full speed in reverse Use the and O keys to change the value TORQUE Adjusts the stiffness of the response and tracking ability of the chair to joystick commands For MKIV Controllers a 100 value is the maximum stiffness setting while a 100 value is the maximum softness setting For MKIV G B Controllers 100 value is the maximum stiffness while a 0 value is the maximum softness Use the and keys to change the value POWER LEVEL POWER LEVEL is an adjustment to the current limit of the control Lower values reduce the maximum pulling power and increase the range of the chair Reduced power should be used for chairs operated very slowly or child sized chairs A value of 100 provides full power output Use the key and the key to change
27. the top ON is the middle position and OFF is at the bottom The DRIVE SELECT position is momentary This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 3 or 4 program As an example an operator may have a control need for spasticity in the morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa The other two drive programs could be indoor and outdoor versions of DRIVE and DRIVE 2 To select DRIVE mode move the toggle UP and release DRIVE is displayed on the display module To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 is displayed on the display module To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 is displayed on the display module To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 is displayed on the display module e Move the toggle UP and release 1 more time to select DRIVE JOYSTICK Proportional drive control located at the front of control provides smooth control of speed and direction PROGRAM SWITCH This momentary toggle switch is located on the left rear of joystick It allows user to enter the program m
28. the value U m le K 4 gt Z m g z m Z o E 2 E Ww 2 Q lt UO 2 lt tc m SECTION IV PERFORMANCE ADJUSTMENTS JOYSTICK THROW JOYSTICK THROW CALIBRATION is used to calibrate the neutral position and the full speed travel of the proportional joystick By moving the joystick successively to each position the control module stores the maximum displacement of the joystick and later during driving uses the values to generate a full speed command whenever that displacement is reached Exceeding this displacement does not produce further increase in speed The result of this method of calibration is a customized driving template Each driving program can have its own driving template Throw Calibration need only be performed when a joystick or control module is being replaced on the power chair After entering the performance menu move the selection arrow down to point at the JOYSTICK THROW function REVERSE SPD 65 TORQUE 30 POWER LEVEL 100 2 JOYSTICK THROW Press the SELECT key The following screen will appear MOVE JOYSTICK TO FORWARD _ REVERSE _ LEFT RIGHT _ AND THEN NEUTRAL _ Move the joystick the desired distance or displacement from neutral for full speed travel When an acceptable minimum distance is reached the space to the right of the displacement direction will be filled in Continue moving the joystick to t
29. will show OFF When activated it will show ON MKIV COMM LINK Shows the status of the communications link to the MKIV control module OK indicates communication has been established UNKWN indicates that control has not given a command to the TRCM Entering TRCM mode is required with the A joystick BAD indicates chip failure in the TRCM 53 z d d 2 m Z m z le U Cc m MKIV SECTION MKIV TAC X MKIV TWO ACTUATOR CONTROL TAC The MKIV TAC Two Actuator Control is a programmable actuator control which can operate two 2 actuators for use on the following seating systems Tilt Only Recline Only and Power Legrests Only Programming is performed with the Tilt and Recline MKIV Remote Programmer Each Limit Pot M Sw actuator can be independently 08 programmed for up speed or down To Battery Harness PTO speed Actuators can be activated from Plug a MKIV driver control an independent eS user switch 4 Way Switch Box or TAC user defined switches through the 4 Way phono jacks Each of four switches Such Forward A Reverse B Left and Right can be assigned an actuator routine e g Tilt Up Tilt and recline angle limits are also programmable The TAC has enhanced troubleshooting capability Through the MKIV Remote Programmer the TAC can display the current status of all critical functions such as actuator connections limits and switches Programmin
30. 2 9 2 2 J E x gt SECTION XIV VIRTUAL SERVICE SET UP XIV CURRENT ROLLBACK What is current rollback Current flows from the batteries through the controller and then into the motors In simple terms current relates to power Amps are a measure of current As speed load rolling resistance and terrain angle increases so does the amount of current flowing through the system Current generates heat If the heat is excessive for too long it can lead to component failure To protect the system all MKIV controllers have been programmed to limit the amount of current drawn through the system to prevent damage to the circuitry and motors This feature is called Current Rollback If the internal temperature of the controller reaches the current rollback setting the controller will automatically reduce the output which will cause the chair to slow down or stop depending upon the load and operating terrain The controller has an internal timer that keeps the operating system at this reduced output until the system has had ample time to cool down Once it counts down full power output is restored to the system What increases the likelihood of current rollback Weight Rolling Resistance Terrain Angle Speed Front Loading UAWN Weight Weight includes the weight of the user all accessories mounted to the chair and any additional weight accompanying the user such as back packs etc NOTE It takes more e
31. 3 2 Left Current Sensor Error 8 E44 2 Right Current Sensor Error 8 E45 2 Right Current Sensor Error 8 E46 5 Current Calibration Error Factory Only 8 E47 5 Current Calibration Error Factory Only 8 E48 2 Left Current Sensor Error 8 E49 2 Left Current Sensor Error 8 E50 2 Right Current Sensor Error 8 E5I 2 Right Current Sensor Error 8 E52 5 Current Calibration Error Factory Only 8 E53 5 Current Calibration Error Factory Only 8 E54 5 Current Calibration Error Factory Only 8 E55 5 Current Calibration Error Factory Only 8 E56 5 Current Calibration Error Factory Only 8 E57 5 Current Calibration Error Factory Only 8 E58 5 Current Calibration Error Factory Only 8 E59 5 Current Calibration Error Factory Only 8 E60 5 Current Calibration Error Factory Only 8 E6 5 Current Calibration Error Factory Only 8 E62 6 Current Calibration Error Factory Only 8 E63 6 Current Calibration Error Factory Only 33 SECTION VIII OPTIONS NO OF BDI BARS DIAGNOSTICS USER FLASHING i05 ADVICE CAUSE OF ERROR Current Calibration Error Factory Only Current Calibration Error Factory Only Left Motor Over Current fault Right Motor Over Current fault Left motor too much drag load Right motor too much drag load Left motor too much drag load Right motor too much drag load Replace control Software error Replace control Software error Replace control Software error Replace control Software error Repl
32. Driver Control 6l a E Im N 9 2 2 J gt VIRTUAL SERVICE SET UP A TOUCH PAD The A Touch Pad eliminates the need for a separate display by combining the features of the Touch Pad Driver Control with the A Joystick Display Refer to the A JOYSTICK description under Section Il of this manual for a complete description of indicators Drive Indicator Battery Charge Connection Remote Drive Select Power Drive XII INVACARE VIRTUAL SERVICE SETUP Invacare Virtual Service is software built into the MKIV electronics that can analyze the electrical system of the chair which includes the controller joystick motors and batteries Invacare Virtual Service can Pinpoint and memorize fault conditions View the electronic system configuration Tune the control module though the calibration menu Make performance adjustments to the driving program Evaluate conditions of batteries using a battery load test Keep track of driving time and power consumption Generate printout of changes to chair historical file To start Invacare Virtual Service session Call Invacare Technical Service at 800 832 4707 State your problem and explain that you have Invacare Virtual Service Modem Kit Invacare Virtual Service may not be necessary for all service calls If it is determined necessary give your phone number to the service technician Hang up and proceed with the
33. E STANDBY SEL STANDBY TIME RIM CONTROL REMOTE SEL AUDIBLE IND Not available with A or joysticks When the optional 1554M4 S amp P Switch interface or the optional 1812M4 Dual Proportional is included on the chair the following is added to the menu to determine which driver control device is active in each driving program Note 1812 4 option does not function with RX 1554XM4 or 1558M4 INPUT SELECT U m T le gt Z m g C M z m Z v E 2 E Uu 2 Q lt UO 2 lt tc m SECTION IV PERFORMANCE ADJUSTMENTS Adding Environmental Controls which are accessed through the optional COMI2 Two Pack causes the following menu items to appear Note This option does not function with RX or 1554XM4 ECUI ECU2 The 1815M4 Variable Speed Actuator Controller adds one menu item Note For RX and 1554XMM the recline motor is only controlled through the independent auxiliary switch The menu items will not appear and the recline motor cannot be controlled through the joystick RECLINER MAKING PERFORMANCE ADJUSTMENTS Press the POWER key to show the main menu on the LCD The arrow to the left is the selection pointer It can be moved up or down the main menu by pressing the or key The selection arrow points to PERFORMANCE ADJUST To select this activity press the SELECT key gt PERFORMANCE ADJUST STANDARD PROGRAMS CALIBRATIONS
34. HE TRCM Programming is performed with the MKIV Remote Programmer plugged directly into 5 pin connector on the case of the TRCM The function of the display and keys of the Remote Programmer are given in the MKIV Operating Instructions Section IIl When the programmer is turned on the display shows the introduction screen and the version number of the TRCM software After two 2 seconds the main screen is displayed PERFORMANCE ADJUST STANDARD PROGRAMS ACTUATOR SELECTION CURRENT STATUS 49 m 2 x E E 2 MKIV TILT AND RECLINE MODULE PERFORMANCE MENU DESCRIPTION TILT UP SPEED Adjusts the speed that the Tilt Actuator moves the seat toward the upright position TILT DOWN SPEED Adjusts the speed that the Tilt Actuator moves the seat into the tilted position RECLINE UP SPEED Adjusts the speed that the Recline Actuator moves the back into the upright position RECLINE DOWN SPEED Adjusts the speed that the Recline Actuator moves the back into the reclined position VSR UP SPEED Adjusts the speed that the Vernier Shear Reduction VSR actuator moves upward VSR DOWN SPEED Adjusts the speed that the VSR actuator moves downward LEG UP SPEED Adjusts the speed that the power leg actuators extend the legrests LEG DOWN SPEED Adjusts the speed that the power leg actuators retract the legrests LEGREST BALANCE Adjusts the speed balance betw
35. Indicator To Controller p d ECU 1 4 J 1 4 4 Program Switch i A Remote Drive On Off Drive Stdby Standby Indicator LCD E Display Drive Select quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa 41 0 v 0 Z 2 OPTIONS SECTION VIII OPTIONS The other two drive programs could be indoor and outdoor versions of DRIVE and DRIVE 2 To select DRIVE mode move the toggle UP and release DRIVE is displayed on the display module To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 is displayed on the display module e To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 is displayed on the display module e To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 is displayed on the display module Move the toggle UP and release 1 more time to select DRIVE I PROGRAM SWITCH This momentary toggle switch is located on the lower left of the display module It allows the user to enter the program mode and change the programmed parameters of the control module using the joystick as the input device LCD DISPLAY Located on the display module it provides information on the status of the chair through the 2 line by 12 character length back lighted display There are four 4 words which may appear below the two 2 lines of text They are DRIVE SELECT MENU an
36. LE 170 PRESS SAVE TO SET ANGLES 60 CALIBRATING POTENTIOMETERS SECTION XI TILT ANGLE CALIBRATION Select TILT ANGLE from the calibration menu A screen indicating the controller sensed no tilt actuator will be displayed A fixed angle between 0 and 15 must be selected NO TILT ACTUATOR 5 SELECT FIXED TILT ANGLE Then press the SAVE key on the programmer to store the fixed tilt angle to user memory After calibrating the potentiometers check the actual tilt and recline angle readings on the CURRENT STATUS screen to verify the calibration was successful If an error occurred during the calibration procedure an E06 or E07 warning message will scroll across the bottom of the programmer screen and the calibrations in user memory will be restored Try the calibration procedure again If the warning message does not go away contact Invacare Technical Service for assistance O gt Z Q 0 m Z m lt m m A TOUCH PAD DRIVER CONTROL OPTIONAL The Touch Pad Driver Control can be used in addition to any other main drive control device standard or optional except the 1812M4 Dual Proportional Joystick or the 1558M4 Compact Joystick Selection of the active driver control is made during individual DRIVE programming with the Remote Programmer TOUCH PAD Proportional drive control provides smooth control of speed and direction There are no switches or indicators on the Touch Pad
37. RTANT 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 from sources such as radio stations TV stations amateur radio HAM transmitters two way radios and cellular phones The interference from radio wave sources can cause the powered wheelchair to release its brakes move by itself or move in unintended directions It can also permanently damage the powered wheelchair s control system The intensity of the interfering EM energy can be measured in volts per meter V m Each powered wheelchair can resist EMI up to a certain intensity This is called its immunity level The higher the immunity level the greater the protection At this time current technology is capable of achieving at least a 20 V m immunity level which would provide useful protection from the more common sources of radiated EMI This powered wheelchair model as shipped with no further modification has an immunity level of 30 V m There are a number of sources of relatively intense electromagnetic fields in the everyday environment Some of these sources are obvious and easy to avoid o m 2 m 2 gt
38. Reset advances the speed level when in drive mode and 3 SPEEDS in Momentary is active To select the stand by mode press the key Use the key to disable the stand by mode feature STAND BY TIME The stand by mode delay TIME is the programmed interval of driver control inactivity which must elapse before the control enters the stand by mode The adjustment range is from two 2 seconds to 120 seconds Use the and key to adjust the delay time RIM CONTROL The RIM mode is a three 3 quadrant driving program for use with any driver input including S amp P hand operated joysticks etc It is usually used as a special proportional switch control program for use with a headrest mounted RIM joystick The forward and reverse functions of the driver control are inverted when selected with Emergency Stop Reset switch In the normal mode pushing the joystick forward or the forward switch causes the chair to move forward In the reversed mode pushing the joystick forward or the forward switch causes the chair to move backward The reversed mode is indicated by turning on the GREEN and RED LEDs In normal operation only the GREEN mode indicator will be on The audible indicator will beep on and off continuously to indicate reverse mode Special Solution RIM normal and reversed drive modes can be accessed without using the Emergency Stop switch when the drive is programmed as follows Stand by Sel ON Remote Sel OFF Recliners ECU s
39. SIGNATION FORWARD 2 REVERSE 3 LEFT 4 RIGHT 5 N C COMI2 Phono Jack COM34 8 COMMON 6 7 8 N C 48 MKIV TILT AND RECLINE MODULE SECTION IX 1815M4 VARIABLE SPEED ACTUATOR CONTROLLER See Operating Instructions included with this option 1814M PRINTER See operating instructions included with this option IX MKIV TILT AND RECLINE CONTROL MODULE TRCM The MKIV TRCM Tilt Recline Ti ilt and Recline Control Module is a programmable To Battery Harness PTO Limit Pot M Sw actuator control which can operate Plug up to five 5 actuators of a full Tilt Recline VSR Power Leg system TRCM Programming is performed with the MKIV Remote Programmer Each To 4 Way actuator can be independently Switch programmed for up speed or down speed Actuators can be activated from a MKIV driver control or an independent user switch Each of four aD 4 switches Forward Reverse Left Programmer 5 d and Right can be assigned an Port actuator routine e g Tilt Up Tilt and recline angle limits are also programmable The TRCM has enhanced troubleshooting capability Through the MKIV Remote Programmer the TRCM can display the current status of all critical functions such as actuator connections limits and switches Programming and troubleshooting can be performed remotely via the Invacare Virtual Service modem kit z d d 2 m Z m z Cc C m To Controller PROGRAMMING T
40. TAND BY TIME function To select the stand by mode press the key Use the O key to disable the stand by mode feature STAND BY SEL STAND BY WITH MODE SELECTION provides the ability to select operating modes without the use of the Emergency Stop Reset switch The stand by mode is entered after a programmed time of inactivity from the driver control The stand by mode is indicated by flashing the GREEN mode indicator rapidly and giving a very long tone from the beeper The delay time before entering the stand by mode is set by the STAND BY TIME function The operating mode is changed by moving the joystick in the direction of the desired mode and returning the joystick to neutral Only those modes previously activated through the keypad may be selected Driver commands will select the activated operating modes in the following manner 18 PERFORMANCE ADJUSTMENTS SECTION IV FORWARD Drive mode RIGHT Remote Drive Selection mode LEFT ECU Recline Selection mode The GREEN mode and RED level indicators will show the mode selected One 1 second after the driver control is returned to neutral the selected operating mode will become active The Emergency Stop Reset switch may be used to enter the stand by mode except when RIM or 3 SPEEDS Momentary controls are used without having to wait for the programmed inactive period to elapse With RIM controls the Emergency Stop switch allows the reverse direction to be selected The Emergency Stop
41. TORS The Mode light is ON operational with no options attached and level indicators are only operational when the optional ECU Recliner Control or optional joysticks are utilized or the Reset switch is activated These indicators provide information of the status of the control system and the environmental controls The GREEN Mode indicator shows one of five control states MODE GREEN LED INDICATION Drive Continuously on Attendant Flashing twice second E C U or Recliner Control Off Stand by Flashing rapidly four second Remote Drive Selection Slow Flashing once second The RED Level indicator provides information on the control level within each mode Its operation changes with each mode e In Latched Proportional and Attendant modes the Level indicator is always OFF n Momentary mode the Level indicator shows the selected speed level OFF slowest speed FLASHING medium speed RAPID FLASHING fastest speed n ECU mode the Level indicator shows which output is active OFF ECU Level ONE and THREE ON ECU Level TWO and FOUR Flashing indicates recliner control n RIM mode the Level indicator shows the direction the chair will move when a forward command is given OFF chair moves forward ON chair moves reverse Emergency Stop Switch Reset The emergency stop switch is used to stop the chair and to select the operating mode for the chair The switch input is located on the control module next to
42. TRONIC COMMUNICATIONS MODULE The COM34 has two 2 banks of five 5 outputs which can be controlled from the driver input device using the A A joystick or A Option display The fifth output is controlled by an ability switch not supplied that plugs into the phono jack next to the output connector ECU and ECU3 ECUI is the ECU card plugged into Slot of the COMI2 module ECU3 is the ECU card plugged into Slot 3 of the COM34 module It can be programmed through the Remote programmer to be disabled OFF operate motor control input in momentary MMTR or latched mode LTCH or serve as a communications interface COMM for computers or communications aids ECU2 and ECU4 ECU2 is the ECU card plugged into Slot 2 of the COMI2 module ECU4 is the ECU card plugged into Slot 4 of the COM34 module It can be programmed through the Remote programmer to be disabled OFF operate motor control input in momentary MMTR or latched mode LTCH or serve as a communications interface COMM for computers or communications aids Control Unit Spare for Additional Options CONNECTOR DESCRIPTION Each Environmental Control Output connector is fed by four 4 normally open relay contacts Each contact is rated for a maximum of 0 2A at 120VAC or 0 5 at 24VDC The COMMON for each connector is isolated from the wheelchair circuitry and from each other to 500VAC The connectors on the ECU cards are female 9 pin D Subminiature connectors PIN DE
43. TY SHALL NOT APPLY TO PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE TO ADHERE TO THE THESE INSTRUCTIONS THE FOREGOING EXPRESS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTIES WHATSOEVER WHETHER EXPRESS OR IMPLIED INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND THE SOLE REMEDY FOR VIOLATIONS OF ANY WARRANTY WHATSOEVER SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT PURSUANT TO THE TERMS CONTAINED HEREIN THE APPLICATION OF ANY IMPLIED WARRANTY WHATSOEVER SHALL NOT EXTEND BEYOND THE DURATION OF THE EXPRESS WARRANTY PROVIDED HEREIN INVACARE SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES WHATSOEVER 71 m i Z par lt Yes you Invacare Corporation www invacare com USA One Invacare Way Elyria Ohio USA 44036 2125 800 333 6900 Canada 570 Matheson Blvd E Unit 8 Mississauga Ontario L4Z 4G4 Canada 800 668 5324 Invacare is a registered trademark of Invacare Corporation Yes you can MKIV is a trademark of Invacare Corporation 2003 Invacare Corporation Part No 1043576 Rev O 10 03
44. ace control Software error Replace control Software error Internal power supply fault replace control Internal power supply fault replace control Low battery recharge check condition High battery fault Left motor brake coil short circuit Right motor brake coil short circuit Replace control Hardware error Replace control Hardware error Replace control Hardware error Replace control Hardware error Replace control Hardware error Left motor hall sensor fault replace motor Left motor hall sensor fault replace motor Right motor hall sensor fault replace motor Right motor hall sensor fault replace motor Current calibration lost replace control Re calibrate motors Current calibration lost replace control Replace control Software error Replace control Software error Replace control Software error Replace control only if fault repeats OPTIONS NNNNNN OO 00 O CO BW OD e UJ CJ h2 h2 h2 AWN wn NNN 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 hM 34 OPTIONS SECTION VIII OPTIONS A LCD JOYSTICK OPTIONAL The joystick consists of a joystick hand control with a built in LCD display DRIVE SELECT ON OFF SWITCH Three 3 position toggle switch is located at the back of the joystick on the right side of the switch panel The DRIVE SELECT position is at
45. and when the desired function is displayed The function becomes active and the Audible Indicator beeps after the Left command is released for two 2 seconds Joystick commands will then be directed to the TRCM To go back to driving or select another TILT RECLINE function the user must wait for the Standby time out and start th e process over again The Standby time out can be shortened by activating the Emergency Stop Reset switch TTJP THROUGH THE JOYSTICK PROGRAMMING Performance adjustments should only be made by professionals of the healthcare field or persons fully conversant with this process and the driver s capabilities Incorrect settings could cause injury to the driver bystanders or damage to the chair and surrounding property After the wheelchair has been set up check to make sure that the wheelchair performs to the specifications entered in the set up procedure If the wheelchair does NOT perform to specifications turn the wheelchair OFF immediately and reenter set up specifications Repeat this procedure until wheelchair performs to specifications Through the Joystick Programming TTJP is a function which allows the user of the chair to adjust function values of their driving programs through the driver input control and independent of the Remote Programmer This function has some limitations in versatility from the Remote Programmer I 2 3 4 Only the A joystick or an A option disp
46. anges required by front mid wheel drive chairs The right and left motor outputs are swapped and forward commands become reverse In conjunction with this change the turning ramps have been modified to improve driving feel and control DRIVE CONFIGURATION Drive Configuration is used to match the control to the type of chair being driven The available selections are FWD front wheel drive MWD mid wheel drive and RWD rear wheel drive Use the or O keys to select the type of chair being driven The following defines differences between chairs to provide the optimum performance FWD switches motor outputs without switching motor connectors turning speed is modified to improve driving feel and control and torque is multiplied by 1 5 MWD switches motor outputs without switching motor connectors and turning speed is modified to improve driving feel and control RWD operates normally for rear wheel drive chairs SOFT START Soft Start controls the chair response to proportional joystick displacement With Soft Start ON small movements around neutral do not produce large speed changes Beyond 4076 of joystick throw the response is greater When Soft Start is OFF joystick displacement will produce a linear speed increase BATTERY QUALITY The battery quality screen displays the current condition of the battery the total number of hours the chair has been driven and the number of Amp hours consumed while driving Below is a sampl
47. attery Level DRIVE and DRIVE 4 LED s lit Attendant Mode Standby Select Mode Drive Select Mode ECU Select Mode SAC TRCM Mode 4 Switch TRCM Mode Switch ECU Mode I ECU Mode 2 ECU Mode 3 ECU Mode 4 DRIVE and ATTENDANT DRIVE and STANDBY ON DRIVE and DRIVE SELECT DRIVE and ECU SELECT DRIVE and SAC DRIVE and TILT RECLINE DRIVE and TRCM Function DRIVE and ECU I DRIVE and ECU 2 DRIVE and ECU 3 DRIVE and ECU 4 69 DRIVE and ATT D LED s lit DRIVE and STD BY LED s lit DRIVE and DRIVE SEL LED s lit DRIVE and ECU SEL LED s lit DRIVE and SAC LED s lit DRIVE and TRCM LED s lit DRIVE and TRCM LED s lit DRIVE and ECU I LED s lit DRIVE and ECU 2 LED s lit DRIVE and ECU 3 LED s lit DRIVE and ECU 4 LED s lit gt v V m Z z X NOTES NOTES NOTES 70 LIMITED WARRANTY LIMITED WARRANTY PLEASE NOTE THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH FEDERAL LAW APPLICABLE TO PRODUCTS MANUFACTURED AFTER JULY 4 1975 This warranty is extended only to the original purchaser user of our products This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state Invacare warrants the MCC MKIV Micro Computer Controls to be free from defects in materials and workmanship for a period of one 1 year from date of purchase If wi
48. ay BATTERY VOLTAGE SEGMENT POSITION 22 9V TO 23 2V 23 3V TO 23 6V 23 7V TO 23 9V 24 0V TO 24 2V 24 3V TO 24 5V 24 6V TO 24 7V 24 8V TO 25 0V OND UN AB W MOTOR BALANCE BALANCE corrects for veer when going straight on level ground Veer is corrected by increasing or decreasing the voltage applied to the left motor as a percentage of that applied to the right motor Use the key to correct for veer to the right and the key for veer to the left BRAKE TIME OUT The BRAKE TIME OUT function determines the elapsed time for the motor locks to engage after the driver control is brought to neutral The time displayed is in seconds Use the key to increase the release time and the key to decrease the release time 27 2 j z m m z gt 0 2 gt m 2 2 E t i9 a E 2 i9 SECTION VI CONTROLLER CALIBRATION CALIBRATE MOTOR MKIV G B ONLY The MKIV G B is matched to the motors in order to attain smooth control and high efficiency Re calibration of the MKIV G B is required ONLY when a motor or controller has been changed on the wheelchair Before and during calibration the drive wheels MUST be raised off of the ground base frame must be supported to allow the wheels to rotate freely and attain an accurate reading Calibration is not to be performed with an occupant seated in the chair Failure to raise the wheels could cause
49. bly contains one toggle switch a four directional switch control and a 9 pin D Subminiature connector that plugs into the 1554M4 module The top switch ATTENDANT is an ON and OFF toggle switch which when in the OFF position the driver control operates normally using the main user interface ie SNP A Joystick By moving the switch to the ON position the Attendant Control can drive the wheelchair using the four directional switch on the 1552M module Each position of the directional switch controls the wheelchair in a different direction for example pushing the directional control forward will move the wheelchair forward When used in conjunction with the MKIV A Joystick the green MODE indicator will flash slowly once second to show that the Attendant Control is active When used in conjunction with either the MKIV A Joystick or the MKIV Display the LCD will display the message ATTENDANT on the LCD itself In the attendant mode the control speed is limited to a fixed non programmable low speed setting less then 2 mph and will NOT respond to any other driver control commands 46 OPTIONS SECTION VIII Four Directional On Off Toggle Switch Control Switch 0 v m 0 Z 72 To 1554M4 Module Attendant Control Connector Pinout PIN DESIGNATION Forward 2 Reverse 3 Left 4 Right 5 Attendant Override 6 N C 7 N C 8 Interface Common 9 N C 1556M HEAVY DUTY JOYSTICK The Model 1556M H
50. c Z m Vo Others are not apparent and exposure is unavoidable However we believe that by following the warnings listed below your risk to EMI will be minimized The sources of radiated EMI can be broadly classified into three types 1 Hand held Portable transceivers transmitters receivers with the antenna mounted directly on the transmitting unit Examples include citizens band CB radios walkie talkie security fire and police transceivers cellular telephones and other personal communication devices NOTE Some cellular telephones and similar devices transmit signals while they are ON even when not being used 2 Medium range mobile transceivers such as those used in police cars fire trucks ambulances and taxis These usually have the antenna mounted on the outside of the vehicle and 3 Long range transmitters and transceivers such as commercial broadcast transmitters radio and TV broadcast antenna towers and amateur HAM radios NOTE Other types of hand held devices such as cordless phones laptop computers AM FM radios TV sets CD players and cassette players and small appliances such as electric shavers and hair dryers so far as we know are not likely to cause EMI problems to your powered wheelchair 3 GENERAL GUIDELINES Powered Wheelchair Electromagnetic Interference EMI Because EM energy rapidly becomes more intense as one moves closer to the transmitting antenna source
51. ctions as needed The general capabilities of the standard programs are listed below MKIV CONTROLLERS PROP STD PERF High performance settings LEARNING INDOOR learning or indoor performance setting VERY SLOW DRIVING Very slow driving performance TREMOR DAMPED MODE spasticity program LATCHED SLOW SPEED latched proportional program PEACHTREE SYSTEM A starting program for the Peachtree PHC newAbilities A starting program for the newAbilities tongue control LEARNER FOR 1500RIM A learner program for the RIM head control LEARNER 3SPD MOM A momentary switch input joystick non proportional program with three 3 speeds in forward and one 1 in reverse VERY SLOW ISPD MOM A momentary switch input joystick non proportional program with one 1 speed in forward and reverse LEARNER SIP amp PUFF A learning program for SIP amp PUFF with cruise control and momentary reverse VERY SLOW ISPD S amp A SIP amp PUFF program with one 1 latched speed in forward gt 2 gt lt gt r c m o m Z Q ASL STD PROGRAM A momentary switch program for initial set up of Adaptive Switch Laboratories systems The standard programs menu contains only those programs which are appropriate for the joystick or driver control connected to the chair Proportional programs will not appear if no proportional joystick is connected 25 2 E
52. d ADJUST The LCD display is easily readable in both bright sunlight and complete darkness During normal operation the active drive is displayed on the first line e g DRIVE The second line serves as the battery discharge indicator BDI It provides information on the remaining charge in the batteries At full charge all ten 10 segments between E Empty and F Full are filled in by a solid block As the battery becomes discharged the farthest right segments will progressively disappear until no segments appear between E and F At this level the word DISCHARGE will start to flash on and off while in neutral to indicate that the user should charge the batteries as soon as possible If a fault is detected the cause of the fault will be scrolled across the second line of the display The DRIVE icon will be displayed whenever the chair is in drive mode SPECIAL PURPOSE INDICATORS There are sixteen 16 LED indicators below the LCD display These indicators will not become lighted until the particular function or mode is ACTIVE See APPENDIX for the LED display information The DRIVE indicator will flash when the reverse function is active 42 OPTIONS 1812M4 DUAL PROPORTIONAL JOYSTICK OPTIONAL The 1812M4 Dual Proportional joystick can be used in addition to any other main drive control device standard or optional except the 1558M4 Compact Joystick and the Touch Pad Driver Control Selection of the active driver control
53. d for joystick or slot type controls with four or five independent switches one for each direction Slot controls and miniature joysticks are examples of these types of controls They plug into the 9 pin D Subminiature connector of the switch input module The S amp P Sip amp Puff selection should be used when breath control using the pressure transducer built into the switch input module is desired This type of control uses pneumatic switches and chair control is provided by sips and puffs through a breath tube The control will respond to driver commands according to the following Hard Puff FORWARD Soft Puff RIGHT Soft Sip LEFT Hard Sip REVERSE Refer to Section VIII for details on operation mounting and calibration of pressures in the Model 1554M4 or 1554XM4 MOM LATCH MOMENTARY LATCHED mode selection determines the mode for driving commands In the Momentary mode drive commands are active only as long as the command is given With a proportional control the speed of the chair varies with the amount of joystick deflection With a switch type of driver control there is one speed in each direction and a selection of one or three speed levels in this mode which are shown by the Red Level indicator OFF Lowest speed FLASHING Medium speed RAPID FLASHING Fastest speed Advancing to the next highest speed level is accomplished by actuating the RESET switch Use key to select MOMENTARY Momentary Mode Function In the La
54. d whenever the chair is in drive mode SPECIAL PURPOSE INDICATORS There are sixteen 16 LED indicators below the LCD display These indicators will not become lighted until the particular function or mode is ACTIVE See APPENDIX for the LED display information 1500M4 RIM HEAD CONTROL and DISPLAY OPTIONAL 1500md4 is a proportional three axes control for driving and controlling chair functions with the head and a separate display module Complete all direction control is accomplished by switching between forward and reverse through the use of the Emergency Stop Reset switch JOYSTICK Proportional drive control is independent of the display module and switches and provides smooth control of speed and direction in three axes DRIVE SELECT ON OFF SWITCH Three 3 position toggle is located on the display module in the lower right corner The DRIVE SELECT position is momentary This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 or 3 or 4 program As an example an operator may have a control need for spasticity in the morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and Spare for Additional Controller Emergency Stop Plug Attendant Indicator Drive Indicator ECU Sel ect
55. e morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa The other two 2 drive programs could be indoor and outdoor versions of DRIVE and DRIVE 2 To select DRIVE mode move the toggle UP and release DRIVE is displayed on the display module To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 is displayed on the display module To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 is displayed on the display module To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 is displayed on the display module Move the toggle UP and release one 1 more time to select DRIVE I JOYSTICK Proportional drive control located at the front of the control provides smooth control of speed and direction PROGRAM SWITCH This momentary toggle switch is located on the left of the joystick It allows the user to enter the program mode and change the programmed parameters of the control module using the joystick as the input device LCD DISPLAY Located on the display module it provides information on the status of the chair through the 2 line by 12 character length back lighted display There are four 4 word icons which may appear below the two 2 lines of text They are DRIVE SELECT MENU and ADJUST The LCD display is easil
56. e of the display BATTERY IS NOW 24 8V LOAD TEST WAS GOOD 90101 HR NOW 0115HR TOTAL AH 7 01575 The first line gives the current battery voltage Fully charged batteries should indicate 25 2V or above 29 le 2 2 le m A gt m le 2 2 E tc U x tc E 2 U CONTROLLER CALIBRATION SECTION VI The second line gives the load test condition of the battery The possible results are GOOD means the batteries are charged POOR means the batteries may affect the performance of the chair under heavy loads but do not need to be replaced yet BAD means the chair performance will be affected even immediately after recharging and that they should be replaced UNKWN Unknown means that the conditions for a load test have never been met and the test has not been performed The third line shows the hourmeter reading when the load test was performed and the current value of the hour meter A comparison of the two 2 values will give an indication of how recent and therefore the validity the load test was performed The hour meter indicates the number of hours that the chair has been driven Leaving the chair on but not driving does not add time to the hour meter The fourth line shows the number of Amp hours AH that have been consumed by driving the chair This value can be useful when checked at the beginning of the day and again when the batteries
57. e setting on the programmer to the measured angle Then press the SELECT key on the programmer to proceed to the recline down adjustment screen RECL UP ANGLE 90 PRESS SAVE TO CONTINUE If the wheelchair is equipped with a vent tray the head rest must be removed before reclining the seat Recline the seat back until their is 1 4 gap between the VSR shroud and the rear shroud Using a protractor or angle pitch calculator measure the actual angle of the back with respect to the seat pan This measurement will range from 165 175 degrees Adjust the recline down angle setting on the programmer to the measured angle Then press the SAVE key on the programmer to store both the up and down angle adjustments in the user memory RECL DOWN ANGLE 170 PRESS SAVE TO SET ANGLES After calibrating the potentiometers check the actual tilt and recline angle readings on the CURRENT STATUS screen to verify the calibration was successful If an error occurred during the calibration procedure an E06 or E07 warning message will scroll across the bottom of the programmer screen and the calibration values in user memory will be restored Try the calibration procedure again If the warning message does not go away contact Invacare Technical Service for assistance POTENTIOMETER CALIBRATION FOR 2GT SYSTEMS This screen allows you to calibrate the tilt and recline position feedback sensors potentiometers The potentiometers are adjusted at
58. ear vinyl tubing should always be allowed to droop below the level of the input module to form a saliva trap to indicate when cleaning is required Never allow water to penetrate the input module case as this can result in damage to the internal electronics Excessive amounts of saliva residue in the mouth piece can degrade performance It is recommended that the mouthpiece breath tube be occasionally flushed with clean water to remove this residue A respiratory trap is recommended A blockage or air leak can create conditions that appear to be faults Please check for either of these conditions if driving problems occur 0 v 0 Z 72 SELECTING THE DRIVER INPUT TYPE In the PERFORMANCE ADJUST menu the INPUT TYPE function tells the control module which driving input is to be used to control the chair The choices are SWITCH JOY for driver controls that are connected to the 9 pin connector and SIP amp PUFF for control through a breath tube connected to the pressure transducer input Use the or key to move the selection arrow to the desired input device type Note The input type selection must be made for each driving program individually This feature provides the ability to have two 2 driver input controls for greater flexibility in meeting the needs of individual users However for single driver input chairs failing to make a consistent selection in all driving programs will result in the chair appearing to be inoperable
59. eavy Duty Joystick is a non proportional control intended to be used with the Model 1554M4 SIP amp PUFF Switch Input and Display as a driver control in applications where inductive type joysticks cannot be utilized The Heavy Duty Joystick connects to the 1554M4 Module via a 9 pin female D Subminiature connector To use the 1556M Heavy Duty Joystick or any equalvliant digital interface the MKIV Controller must be programmed to accept the non proportional input option This is v ck accomplished entering the JO DUE Performance Adjust Menu via the Remote Programmer Select the To Sip amp Puff Digital _ Drive that is desired and scroll down Display ue to the INPUT message Select M SJOY as the input driver control and Sx yate then press SAVE twice This will allow To Heavy Duty Joystick pd any Digital or switch type driver control to be used in the Drive Selected Refer to 1554M4 Sip amp Puff and Switch Input and Display section for additional information regarding the display and LCD messages 47 OPTIONS SECTION VIII OPTIONS COMI2 EIGHT OUTPUT ELECTRONIC COMMUNICATIONS MODULE The COMI2 has two 2 banks of four 4 outputs which can be controlled from the driver input device using the A A joystick or Option display The COMI2 does not function with the RX or 1551 XM4 2 consists of an ECU card installed into Slot and Slot 2 COM34 TEN OUTPUT ELEC
60. een left and right legrest actuators ACCELERATION Adjusts the rate that all of the actuators approach their respective programmed speeds Start up speed DECELERATION Adjusts the rate that all of the actuators are brought to a stop Braking speed LIMIT SELECTION There are two 2 types of limits Potentiometers are capable of measuring seat angles directly Switches are mercury switches which are mechanically adjusted to provide the limit function Select the type of limit that is installed on the seating system POT for potentiometer or M SW for mercury switches NOTE Tilt Recline systems manufactured BEFORE 6 1 98 will have mercury switches Tilt Recline systems manufactured AFTER 6 1 98 will have potentiometers If M SW limit type for mercury switches is chosen Drive lockout can be turned ON or OFF When ON the limit angle is reached the chair will be inhibited from driving until the seat is brought up past the limit angle When drive lock out is OFF driving in all positions is possible The drive lock out safety feature will be disabled All drives are affected by this selection It is NOT recommended that this safety feature be permenantly turned OFF otherwise injury to the user damage to the wheelchair and or surrounding property may result MKIV TILT AND RECLINE MODULE SECTION IX If POT limit type was selected there are five 5 limit angles that can be adjusted All angles are measured from horizontal being 0 deg
61. erratic chair operation personal injury or property damage The control module is fully calibrated at the factory and will not need further calibration by the dealer except when replacing the control module or a motor with one that has not been matched to the chair The available calibration functions are the battery discharge indicator BDI the left and right motor balance BAL for veer correction the motor lock release time and the optional pneumatic switch Sip amp Puff Only calibration of the Battery Discharge Indicator requires the use of any test equipment Select CALIBRATIONS from the main menu to display the first functions in the calibration menu Use the and O keys to select the calibration function desired The SELECT key will display the current calibration value and permit modification of the control module calibration Always press SAVE after calibration changes are made Calibrations are saved to all drive programs so no selection of a DRIVE is necessary FOR THE BAR GRAPH OR LCD DISPLAY BATTERY LEVEL Measure the battery voltage with a digital voltmeter The battery voltage must be in the range of 22 9V to 25 0V for calibration to proceed Press the SELECT key to display the current battery voltage offset value Observe the position of the right most lighted segment bar on the display counting from the left The LCD and LED display have 10 segments Using the chart below and the and O keys calibrate the displ
62. following steps to install Invacare Virtual Service Modem Kit INVACARE VIRTUAL SERVICE SETUP FIGURES AND 2 l Connect the AC Power Supply to the Modem and the Wall Outlet 2 Connect the Phone Line coming from the wall to the Modem port labeled LINE 3 Connect the 25 Pin D Sub Connector to Modem 62 VIRTUAL SERVICE SET UP SECTION XII 4 Perform one 1 of the following A lf the the Charger Port is NOT located on the joystick Connect the 8 Pin DIN Connector to the Control Module Printer Port B If the Charger Port is located on the joystick connect the 3 Pin Charger Connector to the Joystick Charger Port 5 Turn ON the Modem 6 Then turn ON the Controller 7 Verify that the proper lights on the Modem are lit MRHS AA SD RD PWR 1414 FIGURE 2 PROPER MODEM LIGHTING NOTE If the lights on your Modem DO NOT correspond to those shown in FIGURE 1 turn the Controller and Modem OFF and repeat STEPS 5 and 6 8 The light will illuminate after a connection has been made If this light DOES NOT illuminate within five 5 minutes after properly connecting your Modem STEPS 1 through 8 call Invacare Technical Service Center at 800 832 4707 9 During the Invacare Virtual Service session the SD and RD lights will flash for about two 2 minutes as data is down loaded from the control module 10 The session is complete when the light goes out Whe
63. g and troubleshooting can be performed remotely via the Invacare Virtual Service modem Kit To Power Legs Programmer To Controller Port Programming the TAC Programming is performed with the MKIV Remote programmer plugged directly into the 5 pin connector on the case of the TAC The function of the display and keys of the Remote Programmer are given in the MKIV Operating Instructions Section III When the programmer is turned on the display shows the introduction screen and the version number of the TAC software After two seconds the main menu screen is displayed gt SYSTEM TYPE PERFORMANCE ADJUST ACTUATOR SELECTION CURRENT STATUS NOTE The display will only show four lines at a time therefore CALIBRATIONS will not be seen until the selection arrow reaches the bottom of the screen and the menu starts to scroll 54 MKIV TAC SECTION X SYSTEM TYPE MENU DESCRIPTION Selecting System Type from the main menu will display the System Type Menu The system type need only be set once for the configuration of the chair TILT ONLY RECLINE amp VSR POWER LEGRESTS ELEVATE ONLY NOTE The system type that is selected will be the one the selection arrow is pointing at upon exiting the System Type Menu However the system type will not be saved to User Memory until the save key is pressed The system type must be the first selection made when programming the control since all other menus will change to correspond to the sy
64. h performance function Actuator Selection In addition to the actuator selections refered to in SECTION IX MKIV Tilt and Recline Control Module TRCM the TAC has elevate selections ELEVATE UP DOWN Enables the Elevate Actuator with the toggling function ELEVATE UP Enables the Elevate Actuator for moving the seat upward ELEVATE DOWN Enables the Elevate Actuator for moving the seat downward Current Status Refer to section IX MKIV Tilt and Recline Control Module TRCM for a description of Current Status The elevating feature is NOT compatible with MKIV controllers manufactured before August 2000 If you are uncertain about the date of manufacture contact a qualified technician CALIBRATING POTENTIOMETERS SECTION XI XI CALIBRATING POTENTIOMETERS POTENTIOMETER CALIBRATION FOR 2GTR SYSTEMS This screen allows you to calibrate the tilt and recline position feedback sensors potentiometers The potentiometers are adjusted at the factory so this calibration should only be necessary if a potentiometer or TRCM TAC Controller is damaged and must be replaced If the potentiometer is being replaced the shaft must first be rotated fully clockwise looking at the end of the shaft and then rotate the shaft counterclockwise no more than 1 8 turn Tighten the set screw The TRCM TAC may now be calibrated using the Remote Programmer After selecting CALIBRATIONS from the main menu the calibrations menu will be displayed gt
65. he desired full speed travel displacement for the other three directions MOVE JOYSTICK TO FORWARD NM REVERSE M LEFT M RIGHT AND THEN NEUTRAL M When all four direction spaces are filled in let the joystick drop into its neutral position A programmed delay of one 1 second or more occurs before all values are accepted This is indicated when the NEUTRAL space fills automatically The screen then returns to the previous menu Save the values in the drive program and repeat this procedure for each available drive and proportional joystick INPUT TYPE The INPUT TYPE function tells the control module which joystick or switch is to be used to drive the chair when more than one driver control device is mounted on the chair Use the or to select the driver control device for each DRIVE 1 4 The possible selections are given below The selections actually displayed will depend upon the driving controls connected to the control module at the time of programming PERFORMANCE ADJUSTMENTS SECTION IV LED Standard joystick X or A with a 10 segment LED battery bar graph LCD Optional A joystick with LCD 1500 RIM control Model 1500M4 1555 Remote joystick Model 1555M4 1812 Dual proportional joystick Model 1812M4 and the Touch Pad Driver Control SJOY Microswitch input or slot type control input for the Model 1554M4 or 1554XM4 S amp P Pneumatic switch input of the Model 1554M4 or 1554XM4 The SJOY selection should be use
66. ich could result in personal injury or property damage DO NOT INSTALL MAINTAIN OR OPERATE THIS EQUIPMENT WITHOUT READING UNDERSTANDING AND FOLLOWING THE PROPER INVACARE INSTRUCTIONS AND MANUALS OTHERWISE INJURY OR DAMAGE MAY RESULT NOTICE THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION WHICH IS PROTECTED BY COPYRIGHT ALL RIGHTS ARE RESERVED NO PART OF THIS DOCUMENT MAY BE PHOTOCOPIED OR REPRODUCED WITHOUT THE PRIOR WRITTEN CONSENT OF INVACARE SAFETY SUMMARY REPAIR OR SERVICE INFORMATION Repair of the Electronic Control Unit is to be performed ONLY by individuals certified by Invacare If uncertified individuals perform any work on these units the warranty is void OPERATING INFORMATION Performance adjustments should only be made by professionals of the health care field or persons fully conversant with this process and the driver s capabilities Incorrect settings could cause injury to the driver bystanders or damage to the chair and surrounding property After the wheelchair has been set up check to make sure that the wheelchair performs to the specifications entered in the set up procedure If the wheelchair does NOT perform to specifications turn the wheelchair OFF immediately and reenter set up specifications Repeat this procedure until the wheelchair performs to specifications GENERAL GUIDELINES CAUTION IT IS VERY IMPO
67. in one 1 or more drives CALIBRATING THE SIP amp PUFF PRESSURES Calibration of the transducer pressure set points is performed under the CALIBRATIONS menu When the main menu is displayed move the selection arrow down to CALIBRATIONS Press the SELECT key The screen changes to the Calibration menu screen with each adjustable function and its current value Sip amp Puff calibrations are near the bottom of the menu Move the selection arrow down to point at the function that needs to be adjusted 2 HARDPUFF 1 40 SOFT PUFF 0 50 SOFT SIP 0 70 HARD SIP 2 00 Press the SELECT key The display screen changes to the adjustment screen The top line shows the function The second line shows the value The third line shows the relative position of the function s set point indicated by a H or S symbol with respect to the LESS and MORE as well as the position of a related function indicated by a H or S At the bottom is a bar graph which shows the current value of pressure or vacuum at the pressure transducer Pressing the or key will adjust the value 37 OPTIONS SECTION VII OPTIONS The screen shown below is an example of the Hard Puff adjustment screen The top line is the function The second line gives the value The third line via the H symbol shows the relative position of the hard puff set point between the LESS and MORE The S shows the relative set point for the Soft Puff The bottom line shows the pressure being
68. ity in the morning anda FIGURE 3 RX JOYSTICK AVAILABLE very different need in the afternoon ONLY ON MODELS BEFORE 3 1 2001 DRIVE can be programmed for higher speeds and quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa s To select DRIVE mode move the toggle UP To select DRIVE 2 mode move the toggle to the MIDDLE position SPEED CONTROL Rotary knob is located at the back of the joystick housing Turning the knob clockwise increases the maximum speed of the chair JOYSTICK Proportional drive control located at the front of the joystick housing provides smooth control of speed and direction BATTERY GAUGE DISPLAY BGD Located at the rear of the joystick housing it provides information on the remaining charge in the batteries At full charge the two 2 left segments and the farthest right segment of the bar graph are lighted as the battery becomes discharged the farthest right segment will progressively move to the left until only the last two 2 bars are lighted at this level the last two 2 bars will start to flash on and off to indicate that the user should charge the batteries as soon as possible The BGD also serves as a system diagnostic device when a fault is detected by the control module A specific number of bars up to eight 8 bars will start to flash on and off to indicate the type of fault detected A chart of the diagnostic indications is given in
69. lay with LCD and driver input control can perform TTJP Only the current drive program can be adjusted and saved Only a Remote Programmer can limit the extent or number of adjustments that can be changed TTJP cannot be performed satisfactorily with RIM The TTJP function can be given four values Each is described below OFF The TTJP function is disabled and the program switch on the joystick or display will not function SOME Limited programming ability is allowed Programming of the primary driving performance menu is enabled FORWARD SPD TURNING SPD ACCELERATION SENSITIVITY BREAKING ADJ TORQUE REVERSE SPD 23 U m A T le A K 4 gt Z gt g C z m Z 7 E 2 E Uu 2 a lt UO 2 lt tc SECTION IV PERFORMANCE ADJUSTMENTS MORE Additional functions are available for adjustment ENERGY SAVER MOM LATCHED MOM MODE SEL LATCHED TYPE MOM REVERSE ALL The rest of the performance menu is available for adjustment through the driver control The TTJP mode is entered by activation of the Program switch The LCD display will show the first function and it s current value FORWARD SPD 95 MENU The MENU icon on the bottom line is visible The four joystick command quadrants function the same as four of the keys on the Remote Programmer COMMAND KEY FORWARD REVERSE Q LEFT MENU RIGHT SELECT With the MENU icon visible
70. n RECLINE DOWN Enables the Recline VSR and Power Leg Actuators to move the seat back to the reclined position VSR UP Enables the VSR actuator for moving upward VSR DOWN Enables the VSR actuator for moving downward LEFT LEG UP Enables the Left Legrest actuator to extend the legrest LEFT LEG DOWN Enables the Left Legrest actuator to retract the legrest RIGHT LEG UP Enables the Right Legrest actuator to extend the legrest RIGHT LEG DOWN Enables the Right Legrest actuator to retract the legrest LEFT LEG UP DOWN Enables the Left Legrest actuator with the toggling function RIGHT LEG UP DOWN Enables the Right Legrest actuator with the toggling function CURRENT STATUS This screen shows the status of all major inputs and outputs of the TRCM It is used as a diagnostics tool to determine causes for electrical malfunctions of the Tilt Recline system ACTUATOR STATUS The first 5 lines of the Current Status screen shows connection state of the actuators Tilt Recline VSR Left Leg and Right Leg If the connection to the actuator is correct it will be indicated as OK A disconnected actuator or one that is not present in the system will be shown as OPEN The state of the connection is tested approximately every two 2 seconds Connecting an open connector to an actuator will change the indicated state to OK NOTE If a command is given to move the seat and it starts moving but then stops immediately the motor may
71. n the session is complete disconnect the phone line from the wall jack and reconnect the telephone The Invacare technician will immediately call to give you the results of the session Step 4A To Control Module Printer Port VS Cable P N 1095204 Step 4B To Joystick Multi Function Charger Port Power Switch Step 3 To Modem EN Step 2 To Modem Line Input EXTERNAL MODEM Step ku PIN 1064403 Udemm Step To Wall Outlet FIGURE INVACARE VIRTUAL SERVICE CONNECTIONS 63 5 A c o 2 lt o m n c U 4 2 E tc 4 a E Z Z SECTION XIII CONNECTOR DESCRIPTIONS CONNECTOR DESCRIPTIONS l Driver Control Input Connector 1554M4 and 1554XM4 The connector is a male 9 pin D Subminiature connector PIN DESIGNATION FORWARD 2 REVERSE 3 LEFT 4 RIGHT 5 ATTENDANT OVERRIDE 6 RESET EMERGENCY STOP 7 5V 50 mA MAX 8 COMMON B 9 5V 500mA max All driver controls must have normally open contacts with the switch commons connected together The switch commons connect to pin 8 of the driver control input 2 Environmental Control Outputs ECU I 2 3 and 4 Each Environmental Control Output connector is fed by four normally open relay contacts Each contact is rated for a maximum of 0 2A at 120 or 0 5A at 24 VDC The COMMON for each connector is isolated from the wheelchair circuitry and
72. nd is given Sequencing to each function is done by through the Emergency Stop Reset switch The LCD display shows which function is active This function is not available with the A joystick This mode is likely to be used with RIM and ASL switches where the Forward command is difficult and the Reverse command is non existent IswL One Switch Latched mode activates each quadrant individually A RIGHT command is used to activate each command The first Right command activates the function When the command is released the function stays active A second Right command will de activate the function Sequencing to each function is done by through the Emergency Stop Reset switch The LCD display shows which function is active This function is not available with the A joystick This mode is especially useful with Sip amp Puff users and when the command cannot be held for the time needed for the seating system to move to the required position 22 PERFORMANCE ADJUSTMENTS SECTION IV TILT RECLINE with STANDBY SELECT With this program selection the user does not have to use the Emergency Stop Reset switch to select the TILT RECLINE function First the user waits for Standby time out Set by the TIME function By giving a LEFT command the user selects ECU SELECT mode Giving another LEFT command and holding it will start the LCD scrolling th rough the TRCM and ECU modes that are available The user then releases the Left comm
73. nergy to move a wheelchair that is equipped with a power tilt recline seating system and a ventilator than a wheelchair that is equipped with a standard seat only 2 Rolling Resistance The surface that the chair is operating on influences ease of chair function For example sand or deep grass offers more rolling resistance than pavement 3 Front Loading A big factor that leads to a chair going into current rollback Front loading occurs when an excessive amount of the user s weight rests on the front casters and not the drive wheels This creates an extraordinary amount of rolling resistance to the front casters which the drive wheels need to overcome As rear wheel drive chairs are designed to carry weight and not push it the impact to performance of front loading is significant 66 VIRTUAL SERVICE SET UP SECTION XIV Symptoms of front loading 1 When seated in the chair the user s navel is more than eight 8 inches in front of the nut on the main drive wheel 2 More then four to five 4 5 inches of the seat hangs over the front casters 3 Chair requires maximum torque and power level to perform a slow turn or go over obstacles 4 Chair feels jerky or erratic while driving Especially when turning 5 Poor traction on the drive wheels or frequent replacement needed of drive wheels 6 Failing front forks and frequently worn casters 7 Chair stops or drives erratically when going through rougher terrain grass S
74. not saved unless the SAVE key is pressed eS To Controller FIGURE 3 REMOTE PROGRAMMER The SELECT key chooses the item to which the selection arrow on the LCD is pointing and displays the appropriate next screen The SAVE key causes the Save screen to appear or causes the values that have been modified in temporary memory to be permanently stored in the driving program specified by the selection arrow PERFORMANCE ADJUSTMENTS SECTION IV IV PERFORMANCE ADJUSTMENTS PERFORMANCE MENU Each of the standard joysticks and optional joysticks devices have their own performance menu Only the menu for the particular configuration of the joystick and options connected to the control module appear on the performance menu Common to all of the MKIV control system are the following FORWARD SPD TURNING SPD ACCELERATION SENSITIVITY BRAKING REVERSE SPD TORQUE POWER LEVEL JOYSTICK THROW The RX joystick and the optional 1554XM4 Switch Options Interface add the following three items to the common menu Each parameter can be fully adjusted and saved into the DRIVE and DRIVE 2 programs MOM LATCH LATCHED TYPE MOM REVERSE The A joystick the optional joystick optional 1500M4 RIM Control optional 1555M4 Remote joystick and optional 1558M4 Compact joystick add the following items to the common menu The entire menu can be customized and stored in four drive programs DRIVE 4 MOM LATCH LATCHED TYPE MOM REVERSE STANDBY MOD
75. now ramps etc lt A c o 2 lt m o m n c U 4 Terrain Angle Inclines require the system to work harder as you fight gravity Ramps are obvious but the land terrain slopes hills are not as obvious but play a part in current rollback 5 Speed A system at 10076 forward speed requires more power than one programmed at 75 Combine high speed settings with factors described above and you increase the likelihood of going into current rollback How to solve it Mechanical Adjustments NOTE One goal of a properly configured power wheelchair base is balance within the system All Storm Series bases have three standard mechanical adjustments which influence chair performance l Drive Wheel Location Rear wheel drive Storm Series bases allow the drive wheels to be moved fore and aft into one of three 3 positions Most chairs are ordered with the wheels in the rear most position allowing for two 2 inches of forward movement Moving the drive wheels forward will place more of the weight over the drive wheels and allow less loading of the weight over the front casters 2 Seat Location Standard ASBA seats not powered seating allow the seat to slide fore and aft by loosening the 1 2 hex bolts locking the seat onto the base A good general rule to follow is to move the seat rearward as far as possible while still allowing full caster swivel without hitting the foot or footrests 3 Static
76. ntrols must have normally open contacts with the switch commons connected together The switch commons connect to pin 8 of the driver control input SIP AND PUFF PNEUMATIC SWITCH INPUT The Sip and Puff input features a built in solid state pressure transducer that is highly resistant to internal moisture damage The transducer provides full drive control input by converting varying amounts of pressure and vacuum applied through the mouthpiece to electrical signals The following breath inputs provide driver control Hard Puff FORWARD 5 Soft Puff RIGHT o Soft Sip LEFT Z Hard Sip REVERSE n MOUNTING PRECAUTIONS AND MAINTENANCE Various mounting methods can be used for the non proportional input module It is recommended that a clear vinyl tubing should always be allowed to droop below the level of the input module to form a saliva trap to indicate when cleaning is required Never allow water to penetrate the input module case as this can result in damage to the internal electronics Excessive amounts of saliva residue in the mouth piece can degrade performance It is recommended that the mouthpiece breath tube be occasionally flushed with clean water to remove this residue A respiratory saliva trap is recommended A blockage or air leak can create conditions that appear to be faults Please check for either of these conditions if driving problems occur SELECTING THE DRIVER INPUT TYPE In the PERFORMANCE ADJUST menu the INPUT
77. o Controller Switch Input and Display Spare for Additional Options ECU Sel ect Attendant Standby Indicator Indicator Indicator Drive To Controller yee ECU 4 Indicator UL I Program Switch Bw Sel ect d lt Drive a Indicator Remote Drive Select Jack M Indicator TRCM oh OffiDrive Indicator Select Switch outdoor versions of DRIVE and DRIVE 2 43 0 v 0 Z 2 OPTIONS SECTION VIII OPTIONS select DRIVE mode move the toggle UP and release DRIVE is displayed on the display module To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 is displayed on the display module To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 is displayed on the display module e To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 is displayed on the display module Move the toggle UP and release one 1 more time to select DRIVE I PROGRAM SWITCH This momentary toggle switch is located on the lower left of the display module It allows the user to enter the program mode and change the programmed parameters of the control module using the joystick as the input device LCD DISPLAY Located on the display module it provides information on the status of the chair through the 2 line by 12 character length back lighted display There are four 4 words which may appear below the two 2 lines of text
78. ode and change the programmed parameters of control module using joystick as the input device TTP LCD DISPLAY Located behind the joystick it provides information on the status of the chair though the 2 line by 12 character length back lighted display There are four 4 words which may appear below the two 2 lines of text They are DRIVE SELECT MENU and ADJUST The LCD display is easily readable in both bright sunlight and complete darkness During normal operation the active drive is displayed on the first line e g DRIVE The second line serves and the battery discharge indicator BDI It provides information on the remaining charge in the batteries At full charge all ten 10 segments between E Empty and F Full are filled in by a solid block As the battery becomes discharged the farthest right segments will progressively disappear until no segments appear between E and F At this level the word RECHARGE will start to flash on and off while in neutral to indicate that the user should charge the batteries as soon as possible If a fault is detected the cause of the fault will be scrolled across the second line of the display The DRIVE icon will be displayed whenever the chair is in drive mode 35 0 v 0 Z 2 OPTIONS SECTION VIII OPTIONS 1554XM4 SWITCH OPTION INTERFACE For Use with Non proportional Inputs Breath control Switches 9 Pin D Subminiature To Controller Spare for The 1554XM4 consist
79. oint to the intended driving program SAVE TO 2 DRIVEI DRIVE 2 DRIVE 3 DRIVE 4 Press the key to move the selection arrow up to DRIVE SAVE TO 2 DRIVEI DRIVE 2 DRIVE 3 DRIVE 4 To store the program into DRIVE press the SAVE key again The display screen changes to show that the command is being executed SAVING CHANGES TO DRIVE When saving the driving program is complete the screen will change to display CHANGES SAVED TO DRIVE CONTINUE PRESS MENU QUIT PRESS POWER Pressing the MENU key allows the adjustment sequence to be repeated for other driving programs or the new program can be test driven by pressing the POWER key to turn OFF the display screen The chair cannot be driven while the display screen is ON gt PERFORMANCE ADJUST STANDARD PROGRAMS CALIBRATIONS QUIT PRESS POWER PERFORMANCE ADJUSTMENTS SECTION IV PERFORMANCE MENU DESCRIPTION The performance adjustment menu is listed with its display mnemonic and a description of its function FORWARD SPEED Sets the maximum forward speed The fastest speed setting is 100 Use the and keys to change the value TURNING SPEED Sets the TURNING SPEED as a percentage of the maximum forward speed The turning speed is independent of the forward speed setting so that the turning speed can be greater than the forward speed Use the and keys to change the value ACCELERATION ACCELERATION sets the time that it takes
80. on the display module in the lower right corner The DRIVE SELECT position is momentary This switch allows the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the OPTIONS To Controller Spare for Additional Options Stdby Attendant Standby ECU Sel ect ect Indicator Indicator Indicator Drive To Controller Indicator ECU 1 4 Indicator Program Switch Select Remote Drive Select Jack Indicator TRCM On Off Drive Indicator Select Switch DRIVE 2 or 3 or 4 program As an example an operator may have a control need for spasticity in the morning and a very different need in the afternoon DRIVE can be programmed for higher speeds and quicker response while DRIVE 2 can be programmed for slower speeds and less responsiveness or vise versa The other two drive programs could be indoor and outdoor versions of DRIVE and DRIVE 2 e To select DRIVE mode move the toggle UP and release DRIVE is displayed on the display module To select DRIVE 2 mode move the toggle UP and release again DRIVE 2 is displayed on the display module e To select DRIVE 3 mode move the toggle UP and release again DRIVE 3 is displayed on the display module e To select DRIVE 4 mode move the toggle UP and release again DRIVE 4 is displayed
81. ontroller and the model of powered wheelchair selected FIGURE 1 Control Units FIGURE LOCATION OF CONTROL UNIT Se Remote Programmer The remote programmer can be used To Motors with any of the control units with easy To Blue Battery access and usage FIGURE 2 Harness MKIV Controller MKIV G B Controller Programmer Port To Blue Battery 6 Harness Programmer Port To Motors FIGURE 2 CONTROL UNITS O le Z 2 le m m A 0 O gt le 2 uv E 4 a z m x E 2 gt SECTION 11 JOYSTICK INDICATORS JOYSTICKS SWITCHES AND INDICATORS There are two standard joysticks which make up the MKIV system Both of the joysticks use a common control module The two joystick types are the RX and A The joysticks differ in user controls switches number of programmable drives and performance adjustment menus RX JOYSTICK AVAILABLE ONLY ON MODELS BEFORE 3 1 2001 FIGURE 3 DRIVE I DRIVE 2 OFF Battery Gauge Joystick SWITCH Three 3 position Display toggle is located at the back of the joystick housing This switch allows Joystick the operator to select the type of operation or performance which best suits a particular control need or situation The DRIVE program uses performance values which are independent of those used for the DRIVE 2 program As an example an operator may have a control need Speed Control for spastic
82. peration of the up and down functions so that they stay engaged until released by an opposite direction command This feature is especially useful when operating a powered back recliner with a pneumatic switch and the user has difficulty keeping the relay engaged for the time required to position the chair back The UP function is activated by giving a forward or right command The DOWN function is activated by giving a left or reverse command TILT RECLINE This function appears when the MKIV Tilt Recline Control Module TRCM or TAC is installed There are three operating modes in the TILT RECLINE function This function is not available with the RX joystick and only 4 SW is available with the A joystick E 2 E Uu 2 a lt UO 2 lt tc 4 SW Four Switch mode uses all four 4 quadrants of the joystick Each command is momentary a command is active only as long as the joystick is displaced in that direction When the mode is active the LCD display shows TILT RECLINE and the A joystick display has the Mode LED off and the Level LED flashing FW D will activate the TRCM Pin I function REV will activate the TRCM Pin 2 function LEFT will activate the TRCM Pin 3 function RIGHT will activate the TRCM Pin 4 function IswM One Switch Momentary mode activates each quadrant individually A RIGHT command is used to activate each command The command is active only as long as the RIGHT comma
83. pped and the next drive will become active Drive cannot be skipped This feature is not available with the Rx joystick 20 PERFORMANCE ADJUSTMENTS SECTION IV ECU ECUI selects the performance of the environmental control card in slot of the accessory output module The selections are OFF Disable the environmental control outputs for this drive MOM MOTOR Momentary motor control should be used when controlling recliners motors or actuators on the chair The ECU relays are closed only when the driver command is active Only one 1 relay will be active at a time LATCHED changes the operation of the Forward and Reverse relays so that they stay engaged until released by an opposite direction command This feature is especially useful when operating a powered back recliner with a pneumatic switch and the user has difficulty keeping the relay engaged for the time required to position the chair back Only the Forward and Reverse relays are latched The Right and Left relays operate as momentary switches COMM In COMM mode the relays respond very quickly as needed for use with computers and communications aids Two 2 relays are permitted to be closed at a time to allow use of the diagonal capability offered in many systems See Section VIII Options for a description of the Output Accessory module connectors for ECUI ECU2 ECUZ2 selects the performance of the environmental control card in slot 2 of the accessory output module
84. r Program User memory is the location where the individualized function values are permanently stored Each time the power switch is turned ON an exact copy of these values is moved to the temporary memory where it is used to control the chair performance The user memory values can only be changed through the Remote Programmer by first modifying the temporary memory values and then by saving them in the user memory where they become the user program The Remote Programmer is activated by pressing the POWER key when the chair is in neutral The chair cannot be driven when the LCD display is illuminated The display will turn itself OFF after 45 seconds It can also be turned OFF by pressing the POWER key Below is a description of the operation of each of the keys tc 2 E 0 SECTION 111 POWER Key MENU Key and Keys SELECT Key SAVE Key PERFORMANCE ADJUSTMENTS The POWER key turns the LCD display on and off Press the POWER key once and the display will come ON Press the POWER key again and the display will turn OFF The MENU key returns the LCD display to the previous screen If a function is being adjusted pressing the MENU key returns the display to the Performance Menu Pressing the key again will cause the display to change to the Main Menu These keys are used to move the selection arrow on the LCD up and down or adjust a value up or down An adjusted value is
85. reased Torque should never need to be maxed out If it is then there is another problem i e front loading or a drive motor that is not powerful enough for the task 5 With power level at 100 a very high torque setting and fast speeds you could be going into current rollback more quickly because of the amount of current being allowed into the system Drive Motors The standard 4 pole and the Gearless Brushless are rated for loads up to 300 Ibs and the heavy duty 4 pole is used for loads up to 400 Ibs If the standard 4 pole or GB is not providing enough power once the above has been done then the user would be a candidate for the heavy duty 4 pole Remember heavy duty drives are not just for users over 300 Ibs but also for user s who are very ACTIVE If the provider knows that the user is a very hard user then they are better served going to the heavy duty 4 pole from the start Common Mistakes The most common mistake and aggravation to current rollback is that the user or provider turns the chair off to cool down The controller has a counter in it that begins to count up when the current reaches a high or extremely high level Once the chair current is normal again then it needs to count down It can only do this with the chair turned ON If the user claims to be in a state of constant current rollback then chances are that they are turning their chair off and the counter is remaining high so that it only takes a little bit of d
86. rees DRIVE LOCKOUT LIMIT Adjusts the maximum angle that the back can be tilted or reclined and still allow driving of the chair In Tilt only systems the back angle is assumed to be 90 degrees greater than the seat angle Range 90 110 degrees TILT UP LIMIT Adjusts the angle that the Tilt Actuator will stop when moving to the upright position Range 0 50 degrees TILT DOWN LIMIT Adjusts the angle that the Tilt Actuator stops tilting back the seat Range 0 50 degrees RECLINE UP LIMIT Adjusts the back angle at which the Recline Actuator will stop raising the seat back to the upright position Range 90 170 degrees RECLINE DOWN LIMIT Adjusts the maximum reclined back angle for the Recline Actuator Range 90 170 degrees STANDARD PROGRAMS There are four standard programs The standard programs are used to initially set up a chair or bring all programmable parameters back to a known setting Tilt Recline VSR Legs Forward Tilt Up Down Reverse Recline VSR Power Legs Up Down Left VSR Up Down Right Power Legs Up Down Tilt Recline Up amp Down Forward Recline VSR Power Legs Up Reverse Recline VSR Power Legs Down Left Tilt Up Right Tilt Down Recline Only Forward Recline VSR Power Legs Up Reverse Recline VSR Power Legs Down Left Power Legs Up Down Right Power Legs Up Down Tilt Only Forward Off Reverse Off Left Tilt Up Right Tilt Down ACTUATOR SELECTION The actuator selection
87. riving to go back into rollback Good advice is to ask the user to recharge the batteries with the chair electronics turned on This ensures the Internal Timer in the controller is zeroed and the batteries are full NOTE Use the charger that is supplied with the Invacare wheelchair 68 APPENDIX SECTION XV XV APPENDIX SPECIAL PURPOSE INDICATOR DESCRIPTION FOR LCD DISPLAY NOTE When the display is initially turned on the sixteen 16 LED s will sequence in a circular motion to check the system for faults If no faults are detected the LED s will stop at one 1 of the following three 3 modes DRIVE ATT D or STDBY depending on the user s individualized program If a fault is detected the fault will scroll across the bottom of the LCD Display NOTE The in the LCD Message or the LED Indication is used to indicate which DRIVE 1 4 or ECU 1 4 has been selected NOTE The TRCM Function in the LCD Message can be one 1 of seventeen 17 variations of movement example Tilt Recline VSR etc NOTE ECU 3 and ECU 4 are not available at this time NOTE The light sensor opening MUST be kept clear It is used to automatically adjust the LED brightness FUNCTION LCD MESSAGE LED s ILLUMINATED Drive Mode DRIVE 1 and Battery Level DRIVE and DRIVE LED s lit Drive Mode 2 DRIVE 2 and Battery Level DRIVE and DRIVE 2 LED s lit Drive Mode 3 DRIVE 3 and Battery Level DRIVE and DRIVE 3 LED s lit Drive Mode 4 DRIVE 4 and B
88. ry TILT DOWN ANGLE 50 PRESS SAVE TO SET ANGLES RECLINE ANGLE CALIBRATION Select RECLINE ANGLE from the calibration menu screen indicating the controller sensed no recline actuator will be displayed A fixed angle between 85 and 115 must be selected NO RECL ACTUATOR 90 SELECT FIXED RECLINE ANGLE Then press the SAVE key on the programmer to store the fixed recline angle to user memory After calibrating the potentiometers check the actual tilt and recline angle readings on the CURRENT STATUS screen to verify the calibration was successful If an error occurred during the calibration procedure an E06 or E07 warning message will scroll across the bottom of the programmer screen and the calibrations values in user memory will be restored Try the calibration procedure again If the warning message does not go away contact Invacare Technical Service for assistance 59 O gt Z Q 0 m Z m lt m m A WY Lu 2 fe 2 z m U SECTION XI CALIBRATING POTENTIOMETERS POTENTIOMETER CALIBRATION FOR 2GR SYSTEMS This screen allows you to calibrate the recline position feedback sensor potentiometer The potentiometer is adjusted at the factory so this calibration should only be necessary if a potentiometer or TRCM TAC Controller is damaged and must be replaced If the potentiometer is being replaced the shaft must first be ro
89. s of a non TRES Options proportional input module with built in pressure sensor and the proportional RX Joystick The input module can operate as a pneumatic driver control Sip amp Puff or as the input for a variety of switch type joysticks Battery Discharge Indicator which use a 9 pin D Subminiature connector Speed Control To controller RX JOYSTICK The 1554 4 uses the RX Joystick for the power switch speed control and the battery discharge indicator Refer to the RX Joystick information in Section Il DRIVER CONTROL INPUT CONNECTOR The connector on the non proportional input module is a male 9 pin D Subminiature connector PIN DESIGNATION FORWARD REVERSE LEFT RIGHT ATTENDANT OVERRIDE RESET EMERGENCY STOP 5V 50 mA max COMMON B 9 15V 500mA SIP AND PUFF PNEUMATIC SWITCH INPUT The Sip and Puff input features a built in solid state pressure transducer that is highly resistant to internal moisture damage The transducer provides full drive control input by converting varying amounts of pressure and vacuum applied through the mouthpiece to electrical signals The following breath inputs provide driver control ABW NY Hard Puff FORWARD Soft Puff RIGHT Soft Sip LEFT Hard Sip REVERSE 36 OPTIONS SECTION VII MOUNTING PRECAUTIONS AND MAINTENANCE Various mounting methods can be used for the non proportional input module It is recommended that a cl
90. stem type selected PERFORMANCE MENU DESCRIPTION Tilt Only System The following performance menu items will be displayed when tilt only is selected from the system type menu TILT UP SPEED TILT DOWN SPEED ACCELERATION DECELERATION LIMITS TYPE DRIVE LIMIT ANGLE DRIVE LOCKOUT TILT UP LIMIT TILT DOWN LIMIT Refer to SECTION IX MKIV Tilt and Recline Control Module TRCM for a description of each performance function Recline amp VSR System RECLINE UP SPEED RECLINE DOWN SPEED VSR UP SPEED VSR DOWN SPEED ACCELERATION DECELERATION LIMITS TYPE DRIVE LIMIT ANGLE DRIVE LOCKOUT RECLINE UP LIMIT RECLINE DOWN LIMIT Refer to SECTION IX MKIV Tilt and Recline Control Module TRCM for a description of each performance function 55 lt lt gt o MKIV TAC SECTION X MKIV TAC Power Legrests System LEG UP SPEED LEG DOWN SPEED LEGREST BALANCE ACCELERATION DECELERATION Refer to section IX MKIV Tilt and Recline Control Module TRCM for a description of each performance function Elevate Only System There are no performance adjustments necessary for an elevate only system Tilt Elevate System The following performance menu items will be displayed when tilt elevate is selected from the system type menu TILT UP SPEED TILT DOWN SPEED ACCELERATION DECELERATION LIMITS TYPE DRIVE LOCKOUT Refer to section IX MKIV Tilt and Recline Control Module TRCM for a description of eac
91. sts the speed will increase in proportionally short bursts The speed will hold at the maximum level achieved at the end of each burst 2 If the FORWARD command is maintained in the activated condition the speed will continue to increase until either maximum is achieved or until the FORWARD command is released The speed will hold at the maximum level achieved at the release of the FORWARD command When given a reverse command the speed decreases at the same rate Two 2 reverse commands within one second stops the chair In reverse a single forward command stops the chair Use the and O keys to select SPEED 3 SPEEDS 5 SPEEDS or CRUISE CTL NOTE Either Invacare s proportional or switch type TASH joysticks can be used with MMOD and LMOD MOM REVERSE MOMENTARY REVERSE MODE This mode provides a selection between latched or momentary in reverse To select momentary reverse mode press the key Use the key to select latched reverse STAND BY MODE STAND BY MODE selection permits the chair to enter an inactive or stand by mode after a programmed time period of no activity from the driver control The stand by mode is indicated by flashing the GREEN mode indication rapidly and giving a very long tone from the beeper Activating the Emergency Stop Reset switch will return the chair to the previously active mode and give the appropriate visual and audible indication The delay time before entering the stand by mode is set by the S
92. tated fully clockwise looking at the end of the shaft and then rotate the shaft counterclockwise no more than 1 8 turn Tighten the set screw The controller may now be calibrated using the Remote Programmer After selecting CALIBRATIONS from the main menu the calibrations menu will be displayed gt TILT ANGLE RECLINE ANGLE Select RECLINE ANGLE The recline up angle adjustment screen will then be displayed RECLINE ANGLE POTENTIOMETER CALIBRATION Position the seat back in the fully upright position Using a protractor or angle pitch calculator measure the actual angle of the back with respect to the seat pan This measurement will range from 85 95 degrees Adjust the recline up angle setting on the programmer to the measured angle Then press the SELECT key on the programmer to proceed to the recline down adjustment screen RECL UP ANGLE 90 PRESS SAVE TO CONTINUE If the wheelchair is equipped with a vent tray the head rest must be removed before reclining the seat Recline the seat back until their is a 4 inch gap between the VSR shroud and the rear shroud Using a protractor or angle pitch calculator measure the actual angle of the back with respect to the seat pan This measurement will range from 165 175 degrees Adjust the recline down angle setting on the programmer to the measured angle Then press the SAVE key on the programmer to store both the up and down angle adjustments in the user memory RECLDOWN ANG
93. tched mode FORWARD commands from the driver control either proportional or switch type are held active even though the driver may have released the control REVERSE commands may be either momentary or latched see MOM REVERSE LEFT and RIGHT commands are momentary Latched commands are cancelled by giving a command in the opposite direction Use the O key to select LATCHED Latched mode function MOM MODE SEL MOMENTARY SPEED MODE provides a selection between one 1 or three 3 speeds in Momentary mode Use the key to select 1 SPEED Use the O key to select 3 SPEEDS 17 U m le K 4 gt 2 gt g C M z m Z v E 2 E Uu 2 a lt UO 2 lt tc SECTION IV PERFORMANCE ADJUSTMENTS LATCHED TYPE LATCHED SPEED MODE There is a choice of four 4 latched speed modes which can be selected In 5 SPEEDS there are five 5 latched forward speeds which are successively engaged by repeatedly giving FORWARD commands There is one reverse speed In 3 SPEEDS there are three 3 forward speeds and one 1 reverse speed In SPEED there is one 1 forward speed and one 1 reverse speed In CRUISE CTL Cruise Control the forward speed increases in proportion to the length of time that the forward command is maintained in the activated condition For example two 2 techniques are outlined below I If the FORWARD command is given in short bur
94. the factory so this calibration should only be necessary if a potentiometer or TRCM TAC Controller is damaged and must be replaced If the potentiometer is being replaced the shaft must first be rotated fully clockwise looking at the end of the shaft and then rotate the shaft counterclockwise no more than 1 8 turn Tighten the set screw The TRCM TAC may now be calibrated using the Remote Programmer After selecting CALIBRATIONS from the main menu the calibrations menu will be displayed gt TILT ANGLE RECLINE ANGLE 58 CALIBRATING POTENTIOMETERS SECTION XI Select the menu item that corresponds to the potentiometer to be adjusted The up angle adjustment screen will then be displayed TILT ANGLE POTENTIOMETER CALIBRATION Position the seat back in the fully upright position Using a protractor or angle pitch calculator measure the actual angle of the seat with respect to the floor This measurement should will range from 0 10 degrees Adjust the tilt up angle setting on the programmer to the measured angle Then press the SELECT key on the programmer to proceed to the tilt down adjustment screen TILT UP ANGLE 5 PRESS SAVE TO CONTINUE Tilt the seat until the measured angle is approximately 50 degrees and adjust the tilt down angle setting on the programmer to the measured angle The range is 45 55 degrees Then press the SAVE key on the programmer to store both the up and down angle adjustments in the user memo
95. the joystick input connector An emergency stop switch is needed whenever any of the following operating modes are programmed Environmental Controls E C U including Recliner Controls 3 Speed Mode in Momentary Latched Modes Pneumatic Control Stand by Mode RIM Control Emergency Remote Drive Selection Mode Stop Switch If any of the above modes are selected the control FIGURE 5 EMERGENCY will require activation of the switch immediately after STOP SWITCH the power switch is turned on in order to enter the LOCATION drive mode The GREEN mode indicator will be flashing rapidly A second after the switch is released the GREEN LED will light continuously to indicate the drive mode is active Emergency Stop Reset Connector The connector accepts 8 inch diameter Phono plug The Emergency Stop switch must be an open contact for normal driving and a closed contact to activate the Emergency Stop function PIN DESIGNATION TIP RESET EMERGENCY STOP RING COMMON B 8 REMOTE PROGRAMER SECTION 111 11 REMOTE PROGRAMMER OPTIONAL The Remote Programmer is the information center of the control module Through simple key sequences the Remote Programmer allows modification of the performance characteristics gives diagnostics information for troubleshooting and permits calibration of the control module Some terms which will be used in the discussion of the Remote Programmer are explained here FUNCTION A function
96. thin such warranty period any such product shall be proven to be defective such product shall be repaired or replaced at Invacare s option This warranty does not include any labor or shipping charges incurred in replacement part installation or repair of any such product Invacare s sole obligation and your exclusive remedy under this warranty shall be limited to such repair and or replacement For warranty service please contact the dealer from whom you purchased your Invacare product In the event you do not receive satisfactory warranty service please write directly to Invacare at the address on the back cover provide dealer s name address date of purchase indicate nature of the defect and if the product is serialized indicate the serial number Do not return products to our factory without our prior consent LIMITATIONS AND EXCLUSIONS THE FOREGOING WARRANTY SHALL NOT APPLY TO SERIAL NUMBERED PRODUCTS IF THE SERIAL NUMBER HAS BEEN REMOVED OR DEFACED PRODUCTS SUBJECTED TO NEGLIGENCE ACCIDENT IMPROPER OPERATION MAINTENANCE OR STORAGE PRODUCTS MODIFIED WITHOUT INVACARE S EXPRESS WRITTEN CONSENT INCLUDING BUT NOT LIMITED TO MODIFICATION THROUGH THE USE OF UNAUTHORIZED PARTS OR ATTACHMENTS PRODUCTS DAMAGED BY REASON OF REPAIRS MADE TO ANY COMPONENT WITHOUT THE SPECIFIC CONSENT OF INVACARE ORTOA PRODUCT DAMAGED BY CIRCUMSTANCES BEYOND INVACARE S CONTROL AND SUCH EVALUATION WILL BE SOLELY DETERMINED BY INVACARE THE WARRAN
97. tion The second line shows the value The third line shows the relative position of the function s set point indicated by a H or S symbol with respect to the LESS and MORE as well as the position of a related function indicated by a H or S At the bottom is a bar graph which shows the current value of pressure or vacuum at the pressure transducer Pressing the or key will adjust the value The screen shown below is an example of the Hard Puff adjustment screen The top line is the function the second line gives the value The third line via the H symbol shows the relative position of the hard puff set point between the LESS and MORE The S shows the relative set point for the Soft Puff The bottom line shows the pressure being applied to the transducer In this case it is above the Soft Puff set point and well below the Hard Puff set point HARD PUFF LESS 1 40 ALLL The next screen shows the Soft Puff adjustment screen The S symbol shows the set point for the Soft Puff and the H shows the set point for the Hard Puff The bottom line shows that no pressure is being applied to the transducer SOFT PUFF LESS 0 50 S The screens for the Soft Sip and Hard Sip are similar except that the bottom scale shows sipping pressure or vacuum at the transducer 1552M ATTENDANT CONTROL The 1552M Attendant Switch Control Assembly is used in conjunction with the 1554 4 SIP amp PUFF Switch Input and Display The assem
98. tional or switch TASH type joysticks can be used with REMOTE SEL AUDIBLE IND This function enables the audible indicator installed in A option displays When activated the beeper sounds to indicate control module Mode and Level changes The beeper code is Two 2 SHORT beeps Drive Mode active One 1 SHORT beep Drive level advanced to the next higher level One 1 LONG beep ECU ONE output or Recliner active Two 2 LONG beeps ECU TWO outputs active Three 3 LONG beeps ECU THREE outputs Four 4 LONG beeps ECU FOUR outputs active One 1 VERY LONG beep Stand by mode chair inactive Three 3 SHORT beeps Remote Drive selection mode active CONTINUOUS ON OFF Reverse activated RIM only Use the key to activate the audible indicator Use the key to disable the audible indicator NO DRIVING When ON the drive mode is disabled and only the remaining programmed functions are enabled Use this feature in conjunction with ECU s and augmentative communications where having a drive mode enabled is a hindrance as when communications is most important and accidentally slipping into the drive mode could cause unintended chair movement If NO DRIVING is on in Drive and the chair is turned on the control will automatically enter a functional mode in the following order of priority Standby Select Remote Drive Select Recliner Tilt Recline ECU3 ECU4 Nothing active If none of these functions are turned on the drive will be ski
99. top and not drive For the RX and standard joysticks one 1 or more of the top eight 8 bars of the BDI will begin to flash The bottom two 2 bars will stay lighted An error code and a quick description of the fault will begin to scroll across the Remote Programmer and LCD display If multiple faults are found only the first fault encountered by the control module program will be displayed Refer to the Power Chair Service Manual detailed troubleshooting and repair instructions Below is a list of the diagnostics codes and their causes FOR MKIV CONTROLLERS NO OF BDI BARS DIAGNOSTICS CAUSE OF ERROR FLASHING leo gt Z o d O o m Joystick Reverse too large Joystick Forward too large Joystick Right too large Joystick Left too large Right current sense amp high Right current sense amp low Left current sense amp high Left current sense amp low Right motor circuit open Left motor circuit open Neutral reference voltage high Neutral reference voltage low Battery voltage high Battery voltage low Battery charger connected Right power stage Left power stage Neutral calibration SPD Neutral calibration DIR Joystick calibration Forward Joystick calibration Reverse Joystick calibration Left Joystick calibration Right RAM fault detected Left null offset Right null offset Configuration register not programmed EPROM error detected
100. y of the powered wheelchair and 5 Report all incidents of unintended movement or brake release to the powered wheelchair manufacturer and note whether there is a source of EMI nearby Important Information 1 20 volts per meter V m is a generally achievable and useful immunity level against EMI as of May 1994 the higher the level the greater the protection 2 The MCC MKIV has an immunity level of 30 V m This immunity level was established by testing the following powered wheelchair and configurations Storm frame with RX joystick Storm frame with A joystick Storm frame with A joystick Storm frame with 1558 4 joystick and display Storm frame with 1555MA joystick and display Storm frame with 1554M4 and 1556 joystick and display Storm frame with 1554M4 Sip amp Puff and display 4 CONTROLLER LOCATION SECTION I WARNINGS CONTINUED Storm frame with 1555M4 with 1812M4 joystick Storm frame with Display and Touch Pad Driver Control Storm frame with 1554XM4 Sip amp Puff with X joystick as the display Storm frame with 1500M4 RIM joystick and display Storm frame with At joystick and 1812M4 joystick Storm frame with Display and Touch Pad Driver Control Storm frame with A joystick 1554M4 and 1556 joystick X brace frame with A joystick X brace frame with 1554M4 1556 ECUM4 and 1815 4 I LOCATION OF CONTROL UNIT AND REMOTE PROGRAMMER The control unit is located in different locations depending on the c
101. y readable in both bright sunlight and complete darkness During normal operation the active drive is displayed on the first line e g DRIVE The second line serves as the battery discharge indicator BDI It provides information on the remaining charge in the batteries At full charge all ten 10 segments between E Empty and F Full are filled in by a solid block As the battery becomes discharged the farthest right segments will progressively disappear until no segments appear between E and F At this level the word RECHARGE will start to flash on and off while in neutral to indicate that the user should charge the batteries as soon as possible If a fault is detected the cause of the fault will be scrolled across the second line of the display The DRIVE icon will be displayed whenever the chair is in drive mode SPECIAL PURPOSE INDICATORS There are sixteen 16 LED indicators below the LCD display These indicators will not become lighted until the particular function or mode is ACTIVE See APPENDIX for the LED display information 39 0 v 0 Z 2 OPTIONS SECTION VII 1558M4 COMPACT JOYSTICK AND DISPLAY OPTIONAL The 1558M4 joystick consists of a display module and a joystick module JOYSTICK Proportional drive control is independent of the display module and switches and provides smooth control of speed and direction DRIVE SELECT ON OFF SWITCH Three 3 position toggle switch is located

MKIV AND MKIV GB (GEARLESS/BRUSHLESS) Service Manual

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