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PRELUDE SERVICE MANUAL

PAGE  6

2006

SUNRISE MEDICAL

Section 3

Understanding VR2 Controller Display

Indicates that the wheelchair is locked.  To unlock the wheelchair, 
deflect the joystick forwards until the control system chirps. Then deflect the joystick in reverse until 
the control system chirps.  Release the joystick, there will be a long beep. The wheelchair is now unlocked.
To lock the wheelchair, while the control system is switched on, depress and hold the on/off button.
After 1 second, the control system will chirp.  Now  release the on/off button, deflect the joystick forwards
until the control system chirps, and deflect the joystick in reverse until the control system chirps.  Release
the joystick, there will be a long beep.  The wheelchair is now locked.

 This indicates that the chair is charging via on-board charger.  The chair will be ready to drive as soon as
 the charger is unplugged.

This indicates the battery level and that all is well and chair is ready to drive.

Indicates the wheelchair batteries are being charged with the offboard charger. You will not be able to drive the
wheelchair until the charger is disconnected and you have reset the control system by switching off the 
power and then powering up again.

The control system has "gone to sleep" because the wheelchair has not been driven for a period of time.
The time period depends on the programming of the system. To re-start, reset the system by switching 
off the power and then powering up again.

Make sure the Joystick is completely released.  The control system safety circuits have been activated and the control 
system has been prevented from moving the wheelchair.  This indicates a system trip, i.e. the VR2 has detected a problem 
somewhere in the wheelchair's electrical system. Please refer to Section 3 (VR2 Controller Diagnostics).

3.1   The Speed/Profile Indicator  Ripples Up and Down

3.2  The Speed Indicator Flashes 

3.3  Battery Gauge is Steady

3.4  Battery Indicator Ripples up and off. 

3.5  Battery Gauge Blinks Once Every 2.5 Seconds

3.6  Battery Gauge Flashes Rapidly 

Summary of Contents for Quickie prelude

Page 1: ...Quickie Prelude Service Manual 2007 Sunrise Medical Inc 103748 Rev A...

Page 2: ...s Once Every 2 5 Sec onds 6 3 6 Battery Gauge Flashes Rapidly 6 Section 4 Understanding VR2 Controller Diagnostics Codes 7 4 1 One Bar Low Battery Voltage 7 4 2 Two Bars Right motor Disconnect Low bat...

Page 3: ...oubleshooting guide for the Quickie Prelude Pho tographs and content may differ from the actual products in some cases due to changes in specifications and other factors This Service Manual is intende...

Page 4: ...ate charge level Speed Profile indicator A se ries of five LED s which display speed and profile settings On Off Key Press to power on or off the power chair or Control ler Horn Key Activates a warnin...

Page 5: ...ctors 1 24 Vdc 2 0 Vdc 3 Inhibit 1 Programmer 1 Black 2 White 3 Yellow 4 Red 2 1 3 charger port Motor Plug Charger port Outside View 4pin M1 RIGHT SIDE MOTOR M2 LEFT SIDE MOTOR JSM JOYSTICK MODULE INH...

Page 6: ...m for VR2 Controller Package Basic Tool List The following list of tools should enable any task to be dealt with Some will only occasionally be needed but it is advisable to own or have access to them...

Page 7: ...Battery Test Check that the batteries are fully charged and in good working condition Remove the seat and battery cover Use a volt meter to check the voltage across the battery terminals See figure a1...

Page 8: ...24 volts then replace the joystick If the voltage reads 12 volts or less measure the corresponding pins on the VR2 controller as shown in figure 1 5 3 If the voltage meter reads full volt age then rep...

Page 9: ...oller If voltage is less then 10 volts proceed to section 1 3 A1 6 1 If polarity is reversed correct battery wiring If the meter reads more than one ohm change the Battery harness 1 5 Circuit Breaker...

Page 10: ...ontinuity between the white rear connector figure 1 9 1 and the black front con nector 1 7 Main Harness A1 9 1 A1 9 2 A1 9 3 Next check the continuity between the black rear connector figure 1 9 2 and...

Page 11: ...Then test the voltage coming out of the joystick refer to section 1 2 If voltage at joystick charger socket on the VR2 joystick is less then 18 volts refer to section 1 3 If the voltage is greater th...

Page 12: ...el and that all is well and chair is ready to drive Indicates the wheelchair batteries are being charged with the offboard charger You will not be able to drive the wheelchair until the charger is dis...

Page 13: ...oller Turn unit off and back on and if two bar flash is still present replace the controller If the meter does not read between 0 1 5 proceed by swapping the motor leads into the controller Turn unit...

Page 14: ...sistance from the bottom contact of the black thick wire on the 4 pin left motor connector to each of the top contacts of the connector see below right If all of the readings are open then replace the...

Page 15: ...by swapping the motor leads into the controller Turn unit off and back on and if four bar flash is still present replace the controller If the meter does not read between 0 1 5 proceed by swapping th...

Page 16: ...indicator flashing Inspect wiring between joystick module and main controller Replace the control cable first and then try a joystick module If the problem persists replace the controller Make sure t...

Page 17: ...This is usually caused by a poor battery connec tion Check the battery connections A4 10 1 2 1 3 If the meter reads more than 30 volts replace the charger If the Batteries connections and voltage lev...

Page 18: ...nt Disassembly Unplug joystick at the base of the chair figure s1 1 Note Remember to lay cables on the seat otherwise they may become tangled when taking off the seat Unlatch the seat and rotate sligh...

Page 19: ...position Remove the two attachment bolt fig s2 1 Slide footrest assembly up or down to desired position and reinsert attachment bolts 1 2 To adjust footplate angle turn screw in or out fig s2 3 1 Step...

Page 20: ...remove fig s3 2 1 2 Fender shroud Loosen and remove the two philips screws holding the fender shroud in place fig s3 3 Remove fender shroud 1 2 Step 3 Shroud removal s3 1 s3 2 Section 5 Disassembly Re...

Page 21: ...tep 3 Disconect battery harnesses fig s4 1 Remove front battery Gently remove controller from velcro inside battery tray fig s5 1 Unplug all connectors from the controller Remove controller from batte...

Page 22: ...e battery tray from velcro fig s6 1 Use a 17mm socket wrench to remove the drive wheel fig s6 2 Using two 13mm wrenches remove the four bolts and nuts s6 3 holding motor plate to the frame Remove the...

Page 23: ...ove the caster nut fig s7 2 1 2 Step 8 Changing Drive Tire Support the wheel chair base Use a 17mm socket wrench to remove the nylock nut washer and drive wheel fig s8 1 Use two 13mm socket wrenches t...

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