37
Coil2 Driver
Open/Short3.3
3.2
Drive 2 output linkng coil
is open circuit or short
circuit
1. connected load is open circuit or
short circuit
2. connecting pin is stained
3. wrong wiring
EMBrake
Open/Short
3.2
Electromagnetic brake
coil is open circuit or
short circuit
1
，
connected load is open circuit
or short circuit
2
，
connecting pin is stained
3
，
wrong wiring
Coil3 Driver
Open/Short
3.3
Drive 3 output linkng coil
is open circuit or short
circuit
1
，
connected load is open circuit or
short circuit
2
，
connecting pin is stained
3
，
wrong wiring
Coil4 Driver
Open/Short
3.4
Drive 4 output linkng coil
is open circuit or short
circuit
1
，
connected load is open circuit or
short circuit
2
，
connecting pin is stained
3
，
wrong wiring
PD Open/Short
3.5
Proportional driving is
open circuit or short
circuit
1
，
connected load is open circuit
or short circuit
2
，
connecting pin is stained
3
，
wrong wiring
Encoder Fault
3.6
Encoder failure
1
，
motor encoder is failure
2
，
wrong wiring
Motor Open
3.7
Motor is open corcuit
1
，
motor phase
2
，
wrong wiring
Main Contactor
Welded
3.8
Main contactor
adhesions
1
，
Main contactor contact welding
2
，
motor U or V disconnected or
default phase
3
，
circuit that connecting B+
terminal will electricize the battery
Main Contactor Did
Not
Close
3.9
Main contactor is not
closed
1
，
main contactor is not closed
2
，
Main contactor pin is oxydic,
melted, or not stable
when connected
3
，
external device electricize the
battery
4
，
fuse is disconnected
Throttle Wiper
High
4.1
Accelerator output is
high
1
，
accelerator and potentiometer
output voltage is too high
Throttle Wiper Low
4.2
Accelerator output is
low
1
，
accelerator and potentiometer
output voltage is too low
Pot2 Wiper High
4.3
potentiometer 2 output is
too high
1
，
potentiometer 2 output voltage is
too high
Pot2 Wiper Low
4.4
potentiometer 2 output is
too low
1
，
potentiometer 2 output voltage is
too low
Pot Low
Overcurrent
4.5
potentiometer current is
too low
1
，
potentiometer impedance is too
low
EEPROM Failure
4.6
EEPROM failure
1
，
EEPROM storage failure
