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Wire Connection of N3 Button and Just Two 

 

In the following introduction 

  is named as “

MODE

”, 

  is named as “

UP

” and 

  is 

named as “

DOWN

”. 

 

6. Precautions   

Do not plug in and plug out display when it is working. 

  Avoid being hit 

  Don’t modify system parameters to avoid parameters disorder. 

  Send display to after sales instantly once find faulty 

Summary of Contents for JUST TWO

Page 1: ...KING METER USERS GUIDE JUST TWO ...

Page 2: ...vel 9 8 3 Push Cruise Control 9 8 4 Real Time Speed 10 8 5 Light On Off 10 8 6 Distance single trip ODO 11 8 7 Health Data Display riding time energy burned 11 8 8 Battery indicator 12 8 9 Temporary parking 12 8 10 Error code list 13 9 User Setting 14 9 1 Wheel Diameter Setting 14 9 2 Speed limit Setting 14 9 3 Exit Setting 15 10 FAQ 15 11 Wiring Diagram 16 12 Quality Warranty and Coverage 16 13 V...

Page 3: ...fusion and assist in you to resolve any malfunctions 2 Appearance dimensions and material Just Two housing material is made from Aluminum Alloy with a working temperature range 20 to 60 The color can be either white or black This material ensures good mechanical performance of the product 3 Function summary JUST TWO shows items as below Battery indicator Speed showing real time speed Riding time T...

Page 4: ... Energy burned Various Parameters Setting Headlight Display Cruise control 4 Normal monitor area JUST TWO monitor area 5 Button definition ...

Page 5: ...th buttons can be installed either at the left side or the right side of the handlebar 30 Button is as follows Wire Connection of 30 Button and Just Two In the following introduction is named as MODE is named as UP and is named as DOWN N3 Button is as follows ...

Page 6: ...troduction is named as MODE is named as UP and is named as DOWN 6 Precautions Do not plug in and plug out display when it is working Avoid being hit Don t modify system parameters to avoid parameters disorder Send display to after sales instantly once find faulty ...

Page 7: ...play as one unit So please fix it with bike frame when assembly Then connect the display and controller by plugs It is fixed by 4 screws M6 10 Hexagon socket head cap screws and the handlebar and the stem is applied to the handlebar with a diameter of 25 4mm ...

Page 8: ...e hollow stem Then the wire though the hollow stem connect with the controller 8 Normal Operation 8 1 ON OFF Long press MODE then the display starts to work and supply power to controller long press MODE to switch off the power While OFF the display and controller no longer consume battery power The leakage current is ...

Page 9: ... press Down level down The following figure shows the state diagram in 3 level GEAR 8 3 Push Cruise Control Long press DOWN for three seconds to get into power assist mode and the bike will travel at fixed speed of 6Km h Push Cruise Control function can only be used as pushing the e bike by hands Please don t use this function when riding ...

Page 10: ...erface 8 4 Real Time Speed Real Time Speed After starting up the display default show is running speed 8 5 Light On Off Long press UP for two three seconds to turn on off the light Turn on the light Turn off the light ...

Page 11: ...ip ODO Short press MODE It shows in turn as below single trip ODO trip riding time energy burned single trip single trip TRIP Total distance ODO 8 7 Health Data Display riding time energy burned riding time energy burned Fat ...

Page 12: ...e frame of the sign will flash It means the battery is under voltage which need to be recharged immediately Full Low Under Voltage 8 9 Temporary parking When you stop the bike display will show the pause state by the flashing sign This function can be as optional function Window of temporary parking ...

Page 13: ...on solution 21 Abnormal current check whether 3 phase are short circuit 22 Throttle defect check whether throttle go back to initial stage 23 Lack of motor phase check whether wire layout is ok check whether phase wire is connected with controller properly 24 Abnormal hall sensor of motor Controller without hall check layout of phase wire controller with hall check layout of phase wire 25 Brake de...

Page 14: ...er to ensure the accuracy of Speed and distance value Selectable values include 16 inch 18 inch 20 inch 22 inch 24 inch 26 inch 700C 28 inch Default diameter is 26 inch wheel diameter setting 9 2 Speed limit Setting MAX SPEED default setting is 25Km h Change this value to set the maximum riding speed of the electric vehicle When exceeds the set value the controller will stop supplying power to the...

Page 15: ...ally exit the setting state 10 FAQ Q Why the display is not able to start up A Check if the battery is turned on check if the wire is broken Q How to deal with the error code A Fix it to the maintenance place immediately Q The display flashes 30 and the electric bicycle can t work What is the reason A It s abnormal communication between display and controller try to check following points If can t...

Page 16: ...Diagram The cable end for line 1 that connect the display is female to connect the male end of line 2 then another end of line 2 is to connect the controller by according to line definition Male connector Female connector Standard connector cable sequence table Standard sequence Wire color definition 1 red VCC Power 2 blue K Power of controller 3 black GND Gnd 4 green RX Receiving data 5 yellow TX...

Page 17: ... The following circumstances are not covered by the Warranty 1 Opened case 2 Damaged connector 3 Scratched or damaged case after delivery 4 Scratched or damaged cables 5 Malfunctions or damage caused by force majeure or natural disasters 6 outside the warranty period 13 Version This operating instruction is general purpose software version V1 1 Some of the version of the e bike LCD may have slight...

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