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Function and Button Definition

Function Summary

KD831 has a lot of functions to meet the riders’ needs. The indication elements are

Intelligent Battery SOC indicator

Assist level adjustment and indication

Speed indication

Motor-output indicator

Trip time

Trip distance and Total distance

The push-assistance function and indicator

Lighting control and indicator

Error Code indication

Button Definition

There are four buttons,

power button, mode button and plus & minus buttons

on KD831 display. In

this manual, we use words

ON/OFF, i, +, -

to represent these four buttons. The top edge and the

bottom edge of the display will be working as “plus” button and “minus” button. The touch feeling is

like a rocker switch.

Install Instructions

KD831 can be mounted on the left side of handlebar close to its grip. Adjust the angle for a

good screen view. Cut off the power before connecting the corresponding connectors between

display and controller.

General Operation

Switching the E-bike system On/Off

To switch on the E-bike system, hold the

ON/OFF

button for 2s.

To switch off the E-bike system, hold the

ON/OFF

button for 2s.

When E-bike system is switched off, the leakage current is less than 1 μA.

* if sticky button for

ON/OFF

or

push assist

(

-

button in KD831 serves as push assist function

button) or overvoltage or short-circuit MOS tube happens, the corresponding error code will be

indicated on the display. Please refer to

attached list 1

for more details. If user operates the display

improperly such as over pressing the on/off button or pressing on/off button and – button

simultaneously, turn off the display and restart it.

In case of no use of bike for approx. 10 minutes, the display switches off automatically.

Содержание KD831

Страница 1: ......

Страница 2: ...lay Model KD831 Specifications 24V 36V 48V Power Supply Rated current 10mA The maximum working current 30mA Off state leakage current 1μA Working temperature 20 60 Storage temperature 30 70 Appearance and Size Display appearance and dimensional drawing unit mm ...

Страница 3: ... the left side of handlebar close to its grip Adjust the angle for a good screen view Cut off the power before connecting the corresponding connectors between display and controller General Operation Switching the E bike system On Off To switch on the E bike system hold the ON OFF button for 2s To switch off the E bike system hold the ON OFF button for 2s When E bike system is switched off the lea...

Страница 4: ...ems cycle interface push assist function To activate the push assistance function press and hold the button After 2 seconds the E bike will go on at a uniform speed of 6 Km h and is shown on the screen at the same time The push assistance function is switched off as soon as you release the button Push assist function Push assist function may only be used when pushing the E bike Be aware of danger ...

Страница 5: ...ication assist level selection Press button to increase or decrease the assist level and change the motor output power Level zero means no power assist output Assist level selection motor power indication The motor output power can be indicated by below interface Motor power indication error code indication The components of the E bike system are continuously and automatically monitored When an er...

Страница 6: ...o exit the setting items interface and return to the main menu page If there s no operations within 2 minutes the display exit the setting page automatically Setting items interface Trip Distance Clearance Clr Trip means trip clearance Press the button to choose YES or NO The default value is NO To clear a trip choose YES and press the i button to confirm The screen says OK and returns to the Sett...

Страница 7: ...t brightness settings Level 1 is the low brightness Level 3 is high brightness The default level is 2 To change the backlight brightness press the button or the button to choose the desired brightness To store a changed setting press the i button The screen says OK and returns to previous menu interface Backlight settings wheel size setting Wheel refers to wheel diameter settings Press i to enter ...

Страница 8: ...etting page Press to change the values for each power bar And press i to confirm and move the next power bar settings After 5 values are completely set press i button to save the setting and screen says OK and return to the setting page Battery power bars settings Assist level Assist level mode selection Max Pas refers to PAS parameters settings Press i button to enter the setting page 8 assist le...

Страница 9: ... page The default password is 1212 if not specified by the customer At password setting interface the first item is password disable the second item is password enable and the third item is change password Press button to choose your desired item and press i to confirm operation for changing a password is identical to inputting a password The screen returns to the setting page after operation is d...

Страница 10: ... new EU norms SPS is not settable and it is only for your information Press i and screen says OK and returns to the setting page SPS info Slowly Start Up Slow SP means slowly start up Press i button to enter the info page According to new EU norms SSP is not settable and it is only for your information Press i and screen says OK and returns to the setting page SSP info Factory settings When speed ...

Страница 11: ...aused by the force majeure e g fire earthquake etc 6 Beyond Warranty period Operation Cautions Be cautious Don t attempt to disconnect the connector when battery is on power Try to avoid hitting Do not modify system parameters to avoid parameters disorder Make the display repaired when error code appears wire connection layout Standard connector wire sequence Controller end Display end Mating conn...

Страница 12: ... hall fault 25 Brake fault 30 Communication failure 31 Short circuited MOS tube 32 Sticky ON OFF button 33 Sticky push assist button 34 Over voltage Attached list 2 PAS level ratio defaults Level 1 2 3 4 5 6 7 8 9 PAS range Selection 0 3 1 3 50 74 92 0 5 1 5 50 61 73 85 96 0 7 1 7 40 50 60 70 80 90 96 0 9 1 9 25 34 43 52 61 70 79 88 96 ...

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