HOLLICY EN62115, Manual

21

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2. Make sure the first step of testing is normal, then turn off the 

power, connect electronic steering wheel potentiometer plug and 

driving motor potentiometer plug as before, turn on the power.

Operation               Result                   conclusion                 solution

Press “left” 

button on 

remote 

control

Press “left” button 

on remote control

Press “left” 

and “right” 

buttons on 

remote 

control

Press “right” 

button on 

remote 

control

Press “right” button 

on remote control

Turn on the 

power, wheels 

turn to one 

side 

automatically

Wheels turn left 

until the 

maximum angle

Wheels turn 

right until the 

maximum angle

Wheels can’t turn

Wheels turn left but 

can’t turn right

1.Check whether 

the potentiometer 

install in place

1. Install 

potentiometer in 

place

2. Change a new 

potentiometer

2.Steering motor 

has some problem

Wheels turn right 

but can’t turn left

Wheels can’t turn

Change a new 

steering motor 

potentiometer

wheels turn to 

one side or turn 

to far left or turn 

to far right, it 

means self 

position function 

of the wheels 

have some 

problem

Lift function of 

potentiometer 

normally

Right function of 

potentiometer 

normally

Steering motor 

potentiometer has 

some problem

Communication 

error makes 

self position 

function offset.

Adjust 

electronic 

steering wheel 

(refer to 

method on 

page 12).

3. Make sure the second step of testing is normal, then test the 

steering wheel

Operation               Result                   conclusion                 solution

Turn steering 

wheel left

Turn steering 

wheel right

Turn steering 

wheel left
Turn steering 

wheel right

Press “left” 

and “right” 

buttons on 

remote 

control

Turn on the 

power, wheels 

turn to one 

side 

automatically

Wheels turn left 

until the 

maximum angle

Wheels turn right 

until the 

maximum angle

Wheels can’t turn

Wheels turn left but 

can’t turn right

1.Check whether 

the potentiometer 

install in place

1. Install 

potentiometer in 

place

2. Change a new 

steering wheel

2.Steering motor 

has some problem

Wheels turn right 

but can’t turn left

Wheels can’t turn

Change a new 

steering motor 

potentiometer

wheels turn to 

one side or turn 

to far left or turn 

to far right, it 

means self 

position function 

of the wheels 

have some 

problem

Lift function of 

potentiometer 

normally

Right function of 

potentiometer 

normally

Steering motor 

potentiometer has 

some problem

Communication 

error makes 

self position 

function offset.

Adjust 

electronic 

steering wheel 

(refer to 

method on 

page 12).