Contents
Guardian Aspire Service Manual
2003 Sunrise Medical Inc. 931157 Rev A
Guardian Aspire Troubleshooting Guide
Understanding VSI Controller Diagnostics Codes
Specifications
Troubleshooting - No Power
INTRODUCTION
ASPIRE SERVICE MANUAL
SUNRISE MEDICAL
2003
VSI Controller
Battery Condition Meter
Speed/Profile indicator
Speed/ Profile Increase. Used to Increase the Speed/ Profile setting
Plugs/Connectors
0 Vdc
24 Vdc
LH Motor
Main Wiring Diagram/Tool List
Section
Troubleshooting No Power
1.0 Circuit Breaker Reset
1.2 Battery Test
1.5 Battery Connection Check
1.3 Re-Charging the Batteries
1.4 Not Charging
A1.5.1
1.6 Battery Wire Harness
If polarity is reversed correct battery wiring
1.7 Battery Fuse
If the meter reads more than one ohm, change the Battery fuse
2.1 The Maximum Speed Indicator Ripples
2.2 The Maximum Speed Indicator Flashes
2.3 Battery Gauge is Steady This indicates that all is well
2.4 Battery Gauge Flashes Slowly
Understanding VSI Controller Diagnostics Codes
3.1 One Bar - Low Battery Voltage
If none of the above corrects the problem, replace the left motor
Section
Test Left Motor Short
Understanding VSI Controller Diagnostics Codes cont
3.3 Three Bars - Left Motor Wiring Trip
Test Right Motor Open
Understanding VSI Controller Diagnostics Codes cont
3.4 Four Bars- Right Motor Disconnected
Test Right Motor Short
Understanding VSI Controller Diagnostics Codes cont
3.5 Five Bars - Right Motor Wiring Trip
Understanding VSI Controller Diagnostics Codes cont
3.6 Seven Bars - Possible Joystick Trip
3.7 Eight Bars - Possible Control System Trip
3.8 Nine Bars - Solenoid Brake Trip
Understanding VSI Controller Diagnostics Codes cont
3.9 Ten Bars - High Battery Voltage
Battery Fault
3.8 Nine Bars - Solenoid Brake Trip cont
Disassembly/Reassembly, and Adjustment
Disassembly
Reassembly
Adjustment
Disassembly/Reassembly, and Adjustment cont
Disassembly/Reassembly, and Adjustment cont
figure s4.1
s5.2
Disassembly/Reassembly, and Adjustment cont
s5.1
Disassembly/Reassembly, and Adjustment cont
s6.1 s6.2 s7.1
Disassembly/Reassembly, and Adjustment cont
s8.1 s8.2 s8.3
Disassembly/Reassembly, and Adjustment cont
a. Use a 5mm allen wrench and 13mm wrench to remove
Disassembly/Reassembly, and Adjustment cont
s10.1 s10.2 s10.3
Disassembly/Reassembly, and Adjustment cont
s11.1 s11.2 s11.3