1)Over high temperature of motor
2)Fault of motor temperature sensor or harness
Check if there is short circuit of pump motor and
cable.
1)Change pre-charging resistance.
2)Low battery voltage
3)Fault of harness
1)Check battery voltage;
2)Check the set of battery parameters.
3)Check if the contactor is connected.
1)Check battery voltage;
2)Check battery parameters.
1)Check battery voltage;
2)Check the set of driver’s voltage.
1)Check the load and harness of controller at 5V and
12V port.
2)Fault of temperature sensor.
Motor speed control error
Check the harness and terminals of motor’s speed
sensor.
Phase short circuit or short circuit to B+ or B-
Over high temperature of steering driver
1)Over high temperature of steering motor.
2)Fault of motor temperature sensor or harness
1)Change pre-charging resistance;
2)Low battery voltage;
3)Fault of harness.
1)Check battery voltage.
2)Check battery parameters.
3)Check if the contactor is connected.
1)Check battery voltage.
2)Check battery parameters.
Fault of motor temperature sensor or harness
Motor temperature sensor error
Fault of motor temperature sensor or harness
ACS temperature sensor error
Over high or low temperature of steering driver
Pump Open Drain output error
Check if the harness of driver’s output has short
circuit or open circuit.
1)Over low temperature of steering motor.
2)Fault of motor temperature sensor or harness
1)High temperature of steering motor
2)Fault of motor temperature sensor or harness
Low temperature of controller
High temperature of controller
The voltage of controller is higher than warning