PG Drives Technology VR2 series, Operation And Installation Manual

Page: 127 / 152

PG
DRIVES TECHNOLOGY
115
C
HAPTER
6 - S
ERVICING
& D
IAGNOSTICS
SK77898/2
3.1 Trip Type 1 - Low Battery Voltage
This occurs when the control system detects that the battery voltage has fallen below
16V. Check the condition of the batteries and the connections to the control system.
If the trip is still present after the batteries and connections have been checked, then
the Power Module may be defective. Refer to section 5.
In the case of 2C02 the Control System is making a log of the times that the Low Battery
Lockout has been initiated.
3.2 Trip Type 2 – Left Motor Disconnected
This occurs when the control system detects that the left hand motor has become
disconnected. Check the left hand motor, motor connectors and wiring.
If the trip is still present after the above checks have been made, then the Power
Module may be defective. Refer to Section 5.
The VR2 control system may be programmed to exchange the left and right motor
outputs. In this instance, this section will refer to the left hand motor. Consult the
wheelchair manufacturer for more details.
3.3 Trip Type 3 – Left Motor Wiring Trip
This occurs when the control system detects a fault in the wiring to the left hand motor,
in particular if a motor connection has short-circuited to a battery connection. Check
the left hand motor connectors and wiring.
If the trip is still present after the above checks have been made, then the Power
Module may be defective. Refer to Section 5.
The VR2 control system may be programmed to exchange the left and right motor
outputs. In this instance, this section will refer to the left hand motor. Consult the
wheelchair manufacturer for more details.
3.4 Trip Type 4 – Right Motor Disconnected
This occurs when the control system detects that the right hand motor has become
disconnected. Check the right hand motor, motor connectors and wiring.
If the trip is still present after the above checks have been made, then the Power
Module may be defective. Refer to Section 5.
The VR2 control system may be programmed to exchange the left and right motor
outputs. In this instance, this section will refer to the left hand motor. Consult the
wheelchair manufacturer for more details.
3.5 Trip Type 5 - Right Motor Wiring Trip
This occurs when the control system detects a fault in the wiring to the right hand
motor, in particular if a motor connection has short-circuited to a battery connection.
Check the right hand motor connectors and wiring.
If the trip is still present after the above checks have been made, then the Power
Module may be defective. Refer to Section 5.
The VR2 control system may be programmed to exchange the left and right motor