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QM-7 SERIES SERVICE MANUAL

PAGE 5.1

JANUARY 2012

SUNRISE MEDICAL

Section 5

Battery Testing

Note: The QM-710 power chair uses either (2) 22NF, or GRP 24 batteries connected in series.
The circuit is protected by a non-serviceable fusible link in each battery harness. Prior
to performing any test, the battery terminals should be clean and tight. For Access to the
Batteries, Refer to Section 7: Battery Access/Removal.

1. Check for initial battery voltage at the joystick
using the battery charger connector. Connect the
Multimeter to the two outside pins (

fi

gure 5.1.1).

Pin 1 is positive (+) and pin 2 is negative (-). Fully
charged batteries are typically 25.6 VDC for the
pair, or 12.8 VDC each. Discharged batteries are
24 VDC or less for the pair.
2. Load test the batteries using either a commercial
load tester or the following procedure.

fig. 5.1.1

fig. 5.1.3

fig. 5.1.2

Note: Voltage greater than 26 to 28 VDC indicates the batteries are either over-charged, or have
just been disconnected from the battery charger, and contain a surface charge. If the batteries
are not freshly charged and voltage is excessive, inspect battery charger.

To use the power chair’s motors as a load tester,
complete the following steps:
a.

Disengage the motor/gearbox so the motors

can run in freewheel (

fi

gure. 5.1.2).

b.

Connect the Multimeter to the joystick and

record the voltage (

fi

gure. 5.1.3). If the voltage

indicates a surface charge, run the motors for
a few minutes to dissipate the surface charge.
Note: in this example, a small surface charge is
present.
c.

After the voltage has stabilized, record the

voltage. Typical value for a fully charged pair of
batteries is 25.6 VDC (12.8 VDC each).

Warning: Failure to disengage the gearbox in the next step can cause unexpected operation
of the power chair.

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Содержание QM-7 Series

Страница 1: ...Quickie QM 7 Series Service Manual 2012 Sunrise Medical Inc 120938 Rev B...

Страница 2: ...Possible Joystick Trip 3 7 Seven Bars Speed Profile Indicator error 3 7 Eight Bars Possible Control System Trip 3 7 Nine Bars Solenoid Brake Trip 3 8 Ten Bars High Battery Voltage 3 8 Battery Fault 3...

Страница 3: ...r from the actual products in some cases due to changes in specifications and other factors This Service Manual is intended for use by persons with a basic working knowledge and the skills required to...

Страница 4: ...rol Module for the QM 7 series located at back of chair behind shroud d Are batteries installed correctly refer to Section 1 of this manual Are all necessary connections fastened and fully engaged a B...

Страница 5: ...tinuity port This is a commonly used option Connect the red positive probe to this port when finding voltage readings resistance readings or when checking wire continuity This is ex plained in more de...

Страница 6: ...the symbol A is used On this setting the unit measures current that is flowing through the part of the circuit between the two probes the meter itself Typically you need to plug the positive terminal...

Страница 7: ...working on this device Keep batteries away from all sources of ignition Do not place objects on top of the batteries Always keep someone close to your work area so that they may come to your assistanc...

Страница 8: ...ilure occurs but not common in gel sealed batteries KEEP SPARKS AND FLAMES AWAY FROM BATTERIES Burns dropping a wrench or screwdriver across battery terminals results in sparks and intense heat Improp...

Страница 9: ...return the unit to the dealer supplier for inspection EMI means electromagnetic EM interference I EMI comes from radio wave sources such as radio transmitters and transceivers A transceiver is a devi...

Страница 10: ...oser to the source For this reason EMI from handheld devices is of special concern A person using one of these devices can bring high levels of EM energy very close to a power chair without the user s...

Страница 11: ...n ESD jack or an unpainted metal component on the system such as a captive installation screw Handle Printed Circuit Boards by the edges only avoid touch ing the Printed Circuit Board and connector pi...

Страница 12: ...no relevance to wheelchair application Marine and RV batteries frequently are not deep cycle as they are often used for starting engines Only use Deep Cycle sealed type batteries in a wheelchair Batte...

Страница 13: ...ed for determining fault codes Speed Profile indicator A series of five LED s which display speed and profile settings On Off Key Press to power on or off the power chair or Controller Horn Key Activa...

Страница 14: ...ger port Joystick 4pin connector M1 LEFT SIDE MOTOR M2 RIGHT SIDE MOTOR JSM JOYSTICK MODULE INH 2 INHIBIT 2 A1 ACTUATOR 1 A2 ACTUATOR 2 OBC ON BOARD CHARGER BATTERY 1 24 Vdc 2 0 Vdc 3 INHIBIT 1 PROGRA...

Страница 15: ...r off the power chair or Controller Horn Key Activates a warning horn Section 1 R NET LED Remote Controller Mode Button Used to change modes Speed down button 2nd function Tilt down Speed up button 2n...

Страница 16: ...ed up button 2nd function Tilt Up Mode Button Used to change modes Profile Key Set function Profiles Toggle Up to power up chair Down to change profiles Speed Pot Adjust Min and Maximum Speed settings...

Страница 17: ...OARD CHARGER BATTERY 1 24 Vdc POS 2 0 Vdc NEG 3 Inhibit 1 White wire 2 Blue wire 3 Black 4 Red 2 1 3 Motor Plug Port 1 24 Vdc 2 0 Vdc 3 INHIBIT 1 PROGRAMMER Rnet Controller 1 2 3 4 _ Charger Port On B...

Страница 18: ...ip and Puff Port On Off Input 1 3 5 2 4 6 ISM Intelligent Seating Module ACTUATOR CHANNELS Left Lights Right Lights Inhibit 4 Inhibit 5 Actuator Channel Seat Function 1 Backrest 2 Tilt 3 Lift 4 Left E...

Страница 19: ...en end Wrenches SAE and Metric 3 5 8mm flat screwdriver Number 0 2 Phillips screwdriver Vise Grips Adjustable Plyers Hex Head Wrenches SAE and Metric Hammers small and large Soft Hammer Rubber and or...

Страница 20: ...ift Lift without Tilt Tilt with Lift NOTE HARNESS 108277 100 IS INCLUDED IN RETRO ASSEMBLY 110842 VR2 Main Wiring Diagrams Power Module Connections VR2 Drive Right Drive Left Power Module VR2 90 4 Way...

Страница 21: ...arty Wireless Devices Bluetooth Modu le 4 Way PGD Bus 4 Way PGD Bus R Net EL 90 SHORTING PLUG 7 5 KOhm SHORTING PLUG FOR DRIVE ONLY Power Module BUS Connections R Net Power Module EL 90 4 Way R Net Bu...

Страница 22: ...ator Inhibit2 Inhibit3 Switch Drive Tilt only Switch Seat Tilt 6 Way Mini Fit J r ACTUATOR HARNESS Dual Toggle Single Actuator Driver 4 Way Amp Mate N Loc 3 5 mm Stereo Phone Jack ACTUATOR ADAPTOR HAR...

Страница 23: ...it J r 6 Way Mini Fit J r ACTUATOR SHORTING PLUG Use in place of tilt for legs only 3 Way Molex Mini Fit J r BASE SEAT POWER INHIBIT HARNESS 3 AXIS ACTUATOR DRIVER LIFT Switch Controls ACTUATOR HARNES...

Страница 24: ...r 3 Way Molex Mini Fit J r POWER INHIBIT HARNESS POWER INHIBIT HARNESS 4 Way Amp Mate N Loc 6 Way Mini Fit J r DRIVE THRU HARNESS ACTUATOR ADAPTOR HARNESS Power Module 3 Way P G D C harger 2 Way P G...

Страница 25: ...D Inhibit A1 A2 A3 A4 A5 A6 Inhibit4 Inhibit5 RECLINE HARNESS W LEVEL SWITCH ACTUATOR HARNESS W INHIBIT Seat back 6 Way Mini Fit Jr Pot Seat Recline 6 Way Mini Fit Jr Seat Shear Switch 6 Way Mini Fit...

Страница 26: ...eft Hand Mount Rig ht or Left Hand Mount Offboard Charger Ext Switch Ext Switch Joystick Remote Switch Option Switch Pot Option 4 Way PGD Bus 3 Way Neutrik C harge P ort 3 5 mm P hone J ack 3 5 mm P h...

Страница 27: ...A voltage difference of more than 4 volts D C is a good indicator of a bad battery 3 Voltage test A dead battery cannot be effectively tested yet many people mistakenly try to do just that Any batter...

Страница 28: ...voltage meter reads full voltage then replace the jumper cable If the voltage meter reads zero then measure the Battery Connector as shown in fig 3 2 3 If the voltage meter reads full voltage replace...

Страница 29: ...Each bar represents a 5V value The controller requires 18V to start and a minimum of 16V to work once started Indicates the wheelchair batteries are being charged with the offboard charger You will n...

Страница 30: ...code could indicate discharged batteries failed batteries or poor battery connections Begin by recharging the batteries and then refer to 3 2 to check batteries and connections Fig 3 4 2 2 Otherwise c...

Страница 31: ...otor Three Bars Left Motor Wiring Trip Fig 3 5 1 Test 1 Test 2 Test 3 Test 4 1 Check that the batteries are fully charged and in good condition and check all cables and connections Check the connectio...

Страница 32: ...to the right motor look for a loose or damaged connector 2 If the reading is short resistance is less than 10 K ohms on any of the readings proceed to check the 4 pin motor connector Measure the resis...

Страница 33: ...by switching off the power and then powering up again The On Board charger has no indication that the chair is charging and the chair will not move until complete If the condition still exists after t...

Страница 34: ...troller Ten Bars High Battery Voltage An excessive voltage has been applied to the control system This is usually caused by a poor battery connection Check the battery connections Fig 3 8 3 2 1 3 The...

Страница 35: ...2 pin 1 is positive pin 2 is negative 3 If battery voltage is not present figure 4 1 3 then replace the batteries If battery voltage is low figure 4 1 4 then recharge the batteries and retest Fig 4 1...

Страница 36: ...ated correctly If yellow is showing between the halves A push them closer together until only black is visible Retest as necessary fig 4 2 1 5 Disconnect the power connector from the control module an...

Страница 37: ...or continuity across the fusible links connected to positive terminal of each battery figure 4 3 2 Normal resistance is less than 1 ohm If open replace the defective battery harness Retest as necessar...

Страница 38: ...ondition of the battery charger M1 Brake Error Verify left motor is connected to the control module Disengage Micro switch Complete the Motor Gearbox Inspection section 6 M2 Brake Error Verify right m...

Страница 39: ...bles are correctly mated If a module has been replaced recently that module may be defective If error persists contact Sunrise Technical Service for assistance Bad Cable Inspect and replace the defect...

Страница 40: ...Sunrise Medical Technical Service for assistance The wheelchair is being prevented from driving by an external signal Verify that the battery charger is not connected Contact Sunrise Medical Technical...

Страница 41: ...is manual and retest Power Chair Will Not Drive Full Speed An external micro switch is mounted next to the actuator in the rear of the lift system This micro switch is closed when the tilt is lowered...

Страница 42: ...nted on the tilt When seating is in the untilted position the indication should be closed Resistance figure 4 8 4 c If it is open No Resistance replace the micro switch assembly Refer to Tilt Actuator...

Страница 43: ...is a predetermined speed programmed at time of manufacture Creep is indicated by a turtle on either the hand control or Omni 1 Tilt the seat all the way back and observe the hand control or Omni to se...

Страница 44: ...n the hand control and place a rubber band around the joystick to hold it displaced figure 4 10 4 fig 4 10 3 fig 4 10 4 6 Test the micro switch with the following test a Ensure that the tilt is beyond...

Страница 45: ...pins figure 4 11 1 Note The polarity of the voltage is not important since it is reverses when the opposite direction is selected 8 At the 6 pin connector B figure 4 11 2 on the rear of the tilt check...

Страница 46: ...replace the tilt actuator Refer to Tilt Actuator and Micro Switch Removal section this manual Retest as necessary SEE NOTE fig 4 12 3 fig 4 12 4 SEE NOTE Note If the tilt actuator does not operate it...

Страница 47: ...rcial load tester or the following procedure fig 5 1 1 fig 5 1 3 fig 5 1 2 Note Voltage greater than 26 to 28 VDC indicates the batteries are either over charged or have just been disconnected from th...

Страница 48: ...ultimeter Normal indication at the end of a 5 minute rest is typically the starting voltage or no more than 1 VDC less fig 5 2 1 Notes A rapid drop of approximately 1 5 or more during the first 5 seco...

Страница 49: ...r Newer batteries typically read within 1 to 2 VDC c 13 VDC or more indicates an overcharged battery or one that has a surface charge from being recently removed from the charger Verify correct operat...

Страница 50: ...nsure that it is tight and not damaged figure 6 1 2 Motor Gearbox Inspection Section 6 fig 6 1 1 fig 6 1 4 5 Remove the brush by using a common screwdriver to unscrew the plastic cap Be careful not st...

Страница 51: ...dull brown copper Contact Sunrise Medical Technical Service if in doubt of its condition 8 Inspect the motor connector at both the motor end and the control module end for signs of over heating figure...

Страница 52: ...tance through the motor brush assembly and motor by connecting a Multimeter to the large pins of the 4 pin connector figure 6 3 2 Normal resistance is approximately 5 to 9 ohms fig 6 3 1 fig 6 3 2 Not...

Страница 53: ...Remember to use proper lifting techniques the batteries are heavy To remove the harness from the battery posts use an open end wrench Removal Procedures Section 7 fig 7 1 3 3 To Expose the Batteries L...

Страница 54: ...and reconnect the Batteries to each other as shown in figure 7 2 5 Then reconnect the Battery harness to the power base A figure 7 2 6 5 Re attach the harness to the Battery posts with an open end wre...

Страница 55: ...ove the wheel assembly by using a 5 8 deep socket wrench to remove the 3 bolts that hold the wheel and rim in place fig 7 3 3 5 To separate the Motor from the Motor Bracket use a 5mm Hex key to remove...

Страница 56: ...y taking out the 3 longer screws next to the wheel and then the remaining 3 screws holding the motor to the motor bracket are removed fig 7 4 1 Control Module Removal 1 For controller access remove th...

Страница 57: ...left and right screws washers attaching the controller to the Battery Box figure 7 5 1 4 Once all bolts and washers have been removed Separate the module from the backing plate and remove it figure 7...

Страница 58: ...24mm Socket for the Locknut on top of the stem and an open end 24mm wrench for the bottom of the stem assembly remove the locknut washer and caster stem from the Caster Arm figure 7 6 4 Front and Rear...

Страница 59: ...re pre adjusted at the factory Please refer to Section 9 Suspension overview 1 Remove the wheel assembly by using a 5 8 deep socket wrench to remove the 3 bolts that hold the wheel and rim in place fi...

Страница 60: ...t as shown in figure 7 8 2 Section 7 fig 7 8 3 fig 7 8 2 E D 4 Once the top holding bolt is removed loosen the set screw A as shown by using a 4mm Hex wrench figure 7 8 1 A fig 7 8 1 Note A Gas spring...

Страница 61: ...the nuts at both ends of the actuator See figure 7 9 3 which shows one end Remove both pins from the tilt actuator 2 Note the connections leading to the TiltActuator Separate and label the those wire...

Страница 62: ...st as necessary fig 7 10 1 Recline Actuator Removal Note In order to remove either the recline or the shear actuator the ISM box and mount must be removed The gas strut must also be unbolted on one en...

Страница 63: ...socket head cap screws that attach the ISM mount to the recline structure figure 7 11 2 4 Use the same wrench to loosen Do not Remove the bottom two socket head cap screws figure 7 11 3 fig 7 11 3 fig...

Страница 64: ...2 Use a pair of needle nose pliers and a 1 2 box end wrench to remove the gas strut from it s upper mount figure 7 12 2 fig 7 12 2 Caution During the next steps the gas strut will be detached It is u...

Страница 65: ...e back structure figure 7 13 3 7 Prior to removal of the recline actuator observe the position of the top and bottom bracket to ensure that it is mounted in the same position during re assembly One si...

Страница 66: ...he Recline Actuator the gas strut must be reattached before the bottom recline actuator bolts are re installed Once the gas strut is connected pull on the back to compress the gas strut to position th...

Страница 67: ...on the back of the chair and disconnect it by unplugging the 6 Pin connector figure 7 15 1 2 Using a 7 16 open end wrench and a 3 16 hex wrench remove the top and bottom mounts figure 7 15 1 Note In...

Страница 68: ...16 1 there are 2 sets of attaching hardware remove both sets of bolts A 3mm key is utilized or ratchet to remove plate figure 7 16 2 fig 7 16 1 fig 7 16 2 fig 7 16 3 3 The Second actuator bolt can be...

Страница 69: ...Hex keys available for the adjustments 2 Loosen do not remove all of the M5 Button Head Cap bolts A figure 8 1 1 with a 4mm Hex key or a T handle Hex key so that the plates can slide for adjustment 3...

Страница 70: ...attached to the back cane assembly figure 8 2 3 and adjust as necessary fig 8 2 2 fig 8 2 3 5 Remove the nut and bolt that secures the rear towel bar using a 4mm Hex Key and a 13mm open end wrench or...

Страница 71: ...ifications fig 8 3 1 Legrest adjustment 1 To perform a Legrest adjustment figure 8 3 2 the following tools are required A 5mm Hex Key and a 13mm open end wrench and or ratchet 2 Loosen all 3 sets of b...

Страница 72: ...everse Command 3 Operates both raising and lowering Center Mount plus extension of the legrest figure 8 4 3 fig 8 4 3 fig 8 4 2 3 There are 5 sets of holes as seen on the front bars A and 6 sets of ho...

Страница 73: ...ension of leg outward and inward Actuator is shown fig 8 5 1 fig 8 5 1 Back rest Angle Adjustment 1 Make sure you have the right tools 5mm Hex Key and 13mm open end wrench and or ratchet B fig 8 5 2 2...

Страница 74: ...tween Bracket and seat rail while performing the next step Seat Height Adjustment 1 The QM 710 has 4 Seat height positions Use a 6mm Hex Key or 6mm socket to remove a single threaded bolt A on each si...

Страница 75: ...7 2 fig 8 7 1 fig 8 7 2 Recline Adjustments and Procedures Pivot point adjustment 1 The pivot point seat back height may be moved up in the seat back bracket The factory setting is 4 measured from th...

Страница 76: ...to replace the back pan with a larger pan to decrease the gap from the bottom of the back to the seat pan fig 8 8 1 fig 8 8 2 2 Use a 7 16 socket and ratchet to remove the bolts holding pivot point A...

Страница 77: ...er the inside or outside bolt hole C and then re tighten bolts to specifications A B fig 8 9 1 C fig 8 9 2 2 Height adjustment for the armrest also utilizes the 5mm Hex Key Loosen the bolt as shown in...

Страница 78: ...gure 8 10 2 4 For Extreme angle adjustments remove the outside shell of the armrest casing using a 7mm Hex Key on the bolt as shown in figure 8 10 3 fig 8 10 1 5 Remove the flathead socket screws hold...

Страница 79: ...Options Non expandable 3 Axis controls 1 2 Axis box 4 5 and 7 0 AMP box used for Lift and Tilt figure 9 2 1 2 3 Axis 7 0 AMP box used for Tilt and power legrests figure 9 2 2 3 3 Axis 4 5 AMP box use...

Страница 80: ...2 1 has 3 settings available with Toggling occurring in each of these settings On this example below hitting the blue will cause combined legrest to extend hitting yellow button will extend left moun...

Страница 81: ...QM 7 SERIES SERVICE MANUAL PAGE 9 3 JANUARY 2012 SUNRISE MEDICAL Section 9 Reference Inhibit scheme...

Страница 82: ...QM 7 SERIES SERVICE MANUAL PAGE 9 4 JANUARY 2012 SUNRISE MEDICAL Section 9 Reference R NET Joystick Omni Display Symbols...

Страница 83: ...No Module 20 3 3 A 2nd hole 21 3 4 B 2nd hole X X Tilt Module X Tilt Module HD X X Lift Module X X Lift Tilt Combo QM710 QM715 QM720 X X X No Module 16 1 2 B 1st hole 17 1 3 C 1st hole 18 1 4 D 1st h...

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