ALANTE DX/LT_SG_REVA_030112
6
Component:
PG VR2
Power Module
Location:
Front
of the power base.
Function:
Monitors the system and displays faults when something in the system is out of range. These faults
are displayed as a series of flashes by the battery meter.
Connections: C
ontrol unit (joystick), DCI (not used), M1 (right motor), 24V (power harness from batteries),
M2 (left motor). Refer to the power module diagram on page 20.
Failure Signs:
Flash Code #8.
Tests:
Measure voltage at PG VR2 Bus Connector pin 1 (battery positive) and pin 4 (battery negative).
Expected readings:
Battery voltage.
Serviceable:
Replace as necessary.
Component:
PG VR2
Control Unit (Joystick)
Location:
End of the armrest.
Function:
Provides user interface to the power chair. Also, shows battery charge and status of control system.
Connections:
XLR charger/programming port on the front of the control module. Bus cable on the back of the
control module.
Failure Signs:
Flash Code #7
Tests:
Measure voltage at pin 1 (battery positive) and pin 2 (battery negative).
Expected readings:
Battery voltage.
Serviceable:
Replace as necessary.
Component:
PG VR2
Bus Cable
Location:
Rear of PG VR2Control Unit (Joystick).
Function:
Provides connectivity to the PG VR2 power module.
Connections:
4 pin quick connect bus cable.
Failure Signs:
Flash Code #8 and #9.
Tests:
Measure continuity.
Expected readings:
Less than 10 ohms.
Serviceable:
Replace if open.
