Sunrise Medical 931157 Understanding Controller Display, Maximum Speed Indicator Ripples

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Section 2

Understanding Controller Display

2.1The Maximum Speed Indicator Ripples

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.

2.2The Maximum Speed Indicator Flashes

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.

2.3Battery Gauge is Steady This indicates that all is well.

2.4Battery Gauge Flashes Slowly

The control system is functioning correctly, but you should charge the battery as soon as possible.

2.5Battery Gauge Steps Up.

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.

2.6Battery Gauge Blinks Once Every 2.5 Seconds

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.

2.7Battery Gauge Flashes Rapidly (even with the joystick released)

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

SUNRISE MEDICAL

ASPIRE SERVICE MANUAL

2003

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Contents Sunrise Medical Inc Rev a Guardian Aspire Troubleshooting Guide SpecificationsIntroduction VSI Controller VSI Controller VSI Controller ButtonsPlugs/Connectors Wiring Diagram Main Wiring Diagram/Tool ListBasic Tool List Section Troubleshooting No PowerCircuit Breaker Reset Test JoystickRe-Charging the Batteries Battery Connection CheckNot Charging Battery Wire Harness If polarity is reversed correct battery wiring Battery FuseBattery Gauge Steps Up Maximum Speed Indicator RipplesMaximum Speed Indicator Flashes Battery Gauge Blinks Once Every 2.5 SecondsTwo Bars Left Motor Disconnected Understanding VSI Controller Diagnostics CodesOne Bar Low Battery Voltage Test Left Motor OpenThree Bars Left Motor Wiring Trip Test Left Motor ShortFour Bars- Right Motor Disconnected Test Right Motor OpenFive Bars Right Motor Wiring Trip Test Right Motor ShortSeven Bars Possible Joystick Trip Controller FaultBrake Fault Nine Bars Solenoid Brake TripBattery Fault Test Motor ConnectionsReassembly Disassembly/Reassembly, and AdjustmentController and Seat Disassembly AdjustmentCog Release Disassembly Seat Posts DisassemblyShroud Disassembly Front Caster Cover Disassembly Figure s5.2 Repeat steps a and b on the other sideCharger Disassembly Battery DisassemblyMotor/Wheel Disassembly Motor Mounts Disassembly Front and Rear Caster Assembly Disassembly Wire Harnesses Disassembly