Afikim Superlight SL-3 User Manual download pdf (Page 11)

8. THROTTLE POTENTIOMETER

The throttle controls both the speed and the direction of the scooter. Pushing the throttle in one

direction the scooter moves forward and pushing in the other the scooter moves reverse

Usually Forward is on the right hand

and Reverse on the left hand. How can

we reverse them without loosing

performances?

The throttle potentiometer is connected to Front board

by one six –pin connector plugged into J4 header

located on front board.

Reverse Blue and Brown wires. In this case depressing

the throttle with the left hand will select forward and

the reverse direction will be selected using the right

hand. Change the label of the for front and back !!

Is the potentiometer correct

calibrated?

Turn the power off.

Unplug the connector inserted in the header J4 located

on the front board.

Without depressing the throttle take the following

resistance readings:

- 1. Blue and Green

- 2. Green and Brown

- 3. Blue and Brown

The value of the potentiometer resistance may

range between 4.8Kohm and 5.2Kohm.

1 You should see 2400 – 2600 ohm

2 You should see 2400 –2600 ohm

3 You should see 4800 –5400 ohm

If the issues 1 and 2 have as result almost the same

values then the potentiometer may be correctly

centered within the controller’s neutral dead-band.

If a voltage reading is preferred turn the power on

and connect a voltmeter. Take three successive

readings. The red probe is pushed first into

terminal 2 of the J4 (Green wire) then into

terminal 1 (blue wire) and finally into terminal 3

(brown wire).

The black probe is pushed into terminal 4 of the

same connector J4 (GND).

Without depressing the throttle the following

readings should appears:

Terminals Value Front board

header

1 and 4 About 4.5V J4

2 and 4 About 2.5V+/-

100mV

3 and 4 About 0.4V J4

The Status led indicator indicates

throttle fault

Perform throttle potentiometer test as describe above.

The goal of the test is to find out wires that are short-

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Afikim Superlight SL-3 User Manual Page 11

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