62
STEERING
5
Symptom
Problem
With
th
e
k
ey
switch
ON
an
d
the
parking
brake
is
released.
The main contractor is not
turned on.
1 Main contactor
2 EPS controller
The main contactor trips
immediately.
1 EPS controller
2 Torque sensor
3 EPS motor
The main contactor trips
when the steering wheel is
turned.
1 EPS controller
2 Torque sensor
3 EPS motor
The steering wheel
does not turn!
The main contactor comes
on, but there is no power
steering.
1 EPS controller
2 Torque sensor
3 EPS motor
There is power steering, but
it is abnormally heavy.
1 Actuator
2 EPS controller
3 EPS motor
4 Torque sensor
There is power steering, but
it feels like it is sticking.
1 EPS motor
2 Actuator
3 EPS controller
4 Torque sensor
The steering wheel vibrates
and can not be controlled.
1 EPS controller
2 Torque sensor
3 Poor connector and/or
harness connection in EPS
controller, EPS motor, or
torque sensor
The steering wheel
turns, but ...
Self-steering (The steering
wheel operates by itself.)
1 EPS controller
2 Torque sensor
Other
The motor becomes
abnormally hot.
1 EPS controller
2 Torque sensor
3 Actuator
4 EPS motor
Troubleshooting
5- 4.
5-4-1. Steering linkage - troubleshooting
https://www.forkliftpdfmanuals.com/