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niu N-GT, Service Manual

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niu N-GT Service Manual Download Page 141

V1.0.0

141

Regular Maintenance Checklist

Nuts, Bolts and Fasteners

•

Make sure that all nuts and bolts on the chassis have been tightened as per correct torque
values.

•

Make sure that all the split pins, safety clips, hose clamps and wire cables have been placed
properly and secured tightly.

Inspection and maintenance of fasteners

Tightened section and fastener name

Tightening Torque (Nm)

Installation screws on the front hydraulic brake plate
Tightening bolts on the front shock absorber
Tightening bolts on the fixed handle seat cover
Tightening bolts on the welded steering handle assembly
Front axle
Installation screws on the rear hydraulic brake plate
Self-locking nuts on the motor
Top bolts on the rear shock absorber
Bottom bolts on the rear shock absorber
Tightening screws on the hex flange of rear handrail
Tightening nuts on the fixed shaft of rear bottom fork

8Nm 
28Nm
8Nm
52Nm
60Nm
8Nm
75Nm
44Nm
28Nm
28Nm
60Nm

Summary of Contents for N-GT

Page 1: ...V1 0 0 1 N GT Scooter Dual batteries Fast Charger Service Manual e13 168 2013 00546 00 Jiangsu Niu Electric Technology Co Ltd...

Page 2: ...ent with original electric components made by Niu or equivalents that have corresponding part numbers We strongly recommend you not to use inferior components Customer Safety Notice The proper mainten...

Page 3: ...rilling polishing or prying or working around high pressure air or fluid tanks springs or other energy storage components Eye protection devices should be worn as long as there are suspicious conditio...

Page 4: ...7 Specifications 8 Part Names 11 Parts Removal and Installation Procedure 17 Front Wheel 41 Front Fork 43 Steering Handlebar 45 Rear Wheel Rear Suspension 47 Brake System 50 Lithium battery charger 57...

Page 5: ...r smoothness smoothness and damages before installation 10 The spherical bearings on the front wheel hub or rear wheel motor should be removed by holding one or two bearing races the inner and outer r...

Page 6: ...or positions where cables may be stuck in moving The cable placement along stem handles should not be made too tight or loose and should not interfere with adjacent parts at any steering positions Ca...

Page 7: ...oter Identification Vehicle serial number SN is in the user manual The scooter frame identification code VIN is made on the rear frame at rear seat cask The motor code is made at left side of the whee...

Page 8: ...the front tire 90 90 12 44J Type of the front rim MT2 15X12 aluminum alloy Air pressure of the front tire 200KPa Specification of the rear tire 120 70 12 56J Type of the rear wheel MT3 50X12 wheel hu...

Page 9: ...min 1 Controller Rated voltage DC60V Rated output power 2500W Maximum input current 70A Maximum output current 280A Specifications of the battery charger Item Specifications Propulsion Battery Type Pa...

Page 10: ...e fluid DOT3 or DOT4 Diameter of the rear brake disc 180mm Thickness of the rear brake disc 3 5 2 5 Thickness of the rear brake pad 4 5 3 0 brake fluid DOT3 or DOT4 Specifications of the Lighting Disp...

Page 11: ...ck Cover Front Panel Front Fender Front Left Right Panel Left Right Side Panel Left Right Central Cover Rear Fender Rear Left Right Handrail Saddle Front Central Cover Rear Central Cover Left Right Bo...

Page 12: ...oter body coverages in disassembling assembling Do not damage hooks and claws on scooter body coverages in disassembling assembling Align the embedded panels and covers on scooter coverages with their...

Page 13: ...V1 0 0 13 Section 3 Front Panel 3 1 Unscrew two screws on the top of Front Panel 3 2 Take out two Push in Rivets from the bottom of Front Panel 3 3 Remove Front Panel by pushing it upward...

Page 14: ...4 Under Seat Storage Compartment 4 1 Unscrew four screws in the Under Seat Storage Compartment 4 2 Lift up the Under Seat Storage Compartment disconnect the two connectors 4 3 Pull Battery Compartmen...

Page 15: ...V1 0 0 15 Section 5 Rear Central Cover 5 1 Unscrew the left side screw 5 2 Unscrew the right side screw 5 3 Pull out the rubber cover and unscrew the screw 5 4 Pull out Rear Central Cover carefully...

Page 16: ...ver and Footrest 6 1 Pull out the footrest plug and unscrew two hexagon flange bolt 6 2 Unscrew four cross recessed pan head tapping screws and remove Battery Compartment Cover 6 3 Unscrew two hexagon...

Page 17: ...V1 0 0 17 Section 6 Battery Compartment Cover and Footrest 6 5 Unscrew left side screw 6 6 Pull out the Footrest...

Page 18: ...V1 0 0 18 Section 7 Side Panel 7 1 Unscrew left side screw 7 2 Unscrew two screws in dark side 7 3 Pull out the whole side panel...

Page 19: ...V1 0 0 19 Section 8 Handrail 8 1 Remove four Hexagon flange bolts marked in the guide photo 8 2 Pull out the Handrail...

Page 20: ...9 End cap and Body Cover 9 1 Unscrew four cross recessed medium pan head bolts 9 2 Unscrew Cross recessed pan head tapping screw 9 3 Unscrew two cross recessed pan head tapping screws 9 4 Pull out the...

Page 21: ...1 Section 10 Left Right Central Cover and Foot pegs 10 1 Unscrew the Cross recessed pan head tapping screw 10 2 Unscrew the Cross recessed medium pan head bolt 10 3 Pull out the whole Left Right Centr...

Page 22: ...V1 0 0 22 Section 10 Left Right Central Cover and Foot pegs 10 4 Remove two socket head bolts 10 5 Take out the Foot Pegs...

Page 23: ...two front glove compartment bolt hole plugs and unscrew the cross recessed pan head tapping screw inside 11 2 Take out Plastic Expansion Clips from the bottom of Front Left Right Panel 11 3 Unscrew th...

Page 24: ...V1 0 0 24 Section 11 Front Left Right Panel 11 4 Unscrew the screw on the top of Front Right Left Panel 11 5 Have a close up view of panel jack and take out panel carefully...

Page 25: ...V1 0 0 25 Section 12 Helmet Hook 12 1 Unscrew the cross recessed medium pan head bolt 12 1 Pull the Helmet Hook out...

Page 26: ...Section 13 Front Central Cover 13 1 Unscrew two cross recessed pan head bolt 13 2 Unscrew the power lock cover screw and take out the cover 13 3 Unplug USB output cable 13 4 Take out whole Front Cent...

Page 27: ...V1 0 0 27 Section 14 Power Lock 14 1 Unscrew three Cross recessed pan head bolts 14 2 Unplug the Power Lock connector and take out the Power Lock...

Page 28: ...V1 0 0 28 Section 15 Front Wheel Cover 15 1 Unscrew 2 Cross recessed medium pan head screw and 2 Cross recessed pan head tapping screw 15 2 Pull out the whole front wheel cover...

Page 29: ...V1 0 0 29 Section 16 Display 16 1 Unscrew three Hexagon flange nuts 16 2 Unplug dashboard cable and take out the Display...

Page 30: ...V1 0 0 30 Section 17 Brake System 17 1 Unscrew two Hexagon socket head stepped bolts marked in the guide photo 17 2 Pull out the cover 17 3 Plug Brake connector...

Page 31: ...ne cross recessed pan head bolt and two Hexagon flange bolts then take out front Brake System 17 5 Unscrew two Hexagon socket head stepped bolts marked in the guide photo 17 6 Unscrew two cross recess...

Page 32: ...e Stand Switch 18 1 Unscrew the screw and unplug the connector marked in guide photo to take out the side stand switch 18 2 Unscrew the side stand screw and take out the side stand and spring spring h...

Page 33: ...nder and Rear Fender 19 1 Unscrew two Hexagon flange bolts on the left and right sides then take out the Rear Fender 19 2 Unscrew two Cross recessed medium pan head bolts on the left and right sides t...

Page 34: ...V1 0 0 34 Section 20 Motor 20 1 Unscrew two hexagon flange bolts on the left and right side 20 2 Remove the motor connectors on FOC controller...

Page 35: ...V1 0 0 35 Section 20 Motor 20 3 Unplug the motor hall connector Scooters produced before 2016 Dec then pull out Motor...

Page 36: ...ower fluid pump 5 Front brake disk 6 Front Alloy Wheel 7Front tire 8 Value 9 Front wheel axle Specifications of the front tire 90 90 12 Installation torque value for screw 11 in the figure 8Nm Install...

Page 37: ...ailed or the braking is bad The front axle is deflected The front brake is applied Inspection Inspection of the rim oscillation Place the wheel on a precise support Check the rim oscillation Manually...

Page 38: ...ront left and right reflectors 2 Front Fender 3 Front fork assembly including shock absorb 4 Fluid Tube Clip 5 6 7 pieces of direction bearing Specifications of the Front Fork Installation torque valu...

Page 39: ...embling Remove the panel front journal lid and front fender Remove the steering handle assembly Sequentially remove Gland nut lock nut bearing cover and upper conical bearing Remove the front fork Rem...

Page 40: ...40 Steering Handlebar Left 1 Left handle 2 Brake level 3 Left review mirror 4 left turn signal assembly 5 Fixing bracket of turn signal 6 Rear disc brake Top Fluid Reservoir 7 Combination Switch 8 Han...

Page 41: ...g Handlebar Right 1 Speed regulating steering handle 2 Brake level 3 Right review mirror 4 Right turn signal assembly 5 Fixing bracket of turn signal 6 Rear disc brake Top Fluid Reservoir 7 Right Comb...

Page 42: ...et 4 Handlebar fixing upper block 5 Hexagon socket head stepped bolt 6 Handlebar fixing lower block 7 T Plate Specifications of the Steering Handlebar Installation torque value for screw 16 in the fig...

Page 43: ...steering handle bearing is damaged Disassembling Remove the left and right rear view mirror assemblies 5 and 11 Remove the left and right grasp handle assemblies 1 and 12 Remove the accelerator cable...

Page 44: ...V1 0 0 44 Electronic Components 1 Power Lock 2 Alarm 3 DC to DC A 4 Horn 5 U3LTE ECU 6 Main harness assembly 7 LCU 8 CBS...

Page 45: ...V1 0 0 Rear components 1 FOC motor controller 2 Saddle Lock 3 BCS BCS 3...

Page 46: ...mp 3 Value 4 Rear brake disc 5 Motor 3000W 6 Rear Tire Diameter of the rear brake disc 180mm Thickness of the rear brake disc 3 5mm Operating limit 2 5mm Torque value for Top Bolts on the rear shock a...

Page 47: ...mal noise from the rear suspension Rear suspension liner thinned and softened Failure of the rear shock absorber Disassembling Rear Absorber Remove the seat cushion assembly and the scooter body assem...

Page 48: ...rmance Check the break before riding Item Standard value mm Minimum Thickness mm Diameter of the front brake disc 220mm Thickness of the front brake disc 4 0 3 0 Thickness of the front brake pad 4 0 3...

Page 49: ...r leakage There is air left in the brake system oil circuit Check the brake pad for wearing to the limit mark Check the brake disc for excessive wearing Replace the brake pad and brake disc 1 Check th...

Page 50: ...in cylinder is dirty The brake caliper does not slide smoothly The brake liquid level is low The flow channel is blocked The brake pad is bent and deformed Disassembling Replace the brake pad assembly...

Page 51: ...from the oil drainage screw Brake liquid injection air discharging Add the DOT3 or DOT4 brake liquid into the liquid reservoir and add it to the upper limit of the liquid level Note Do not use differe...

Page 52: ...screw Step1 Grasp the front brake handle for several times and then hold the front brake handle at the same time to loosen the oil drainage screw to 1 2 circle Wait for several seconds to tighten the...

Page 53: ...e battery used for this model is a lithium battery Remove the battery from scooter storage for than a week Charge the battery to approximately 50 of its capacity and store it at a room temperature Per...

Page 54: ...truction Serial number of the battery pack Battery Model Charger input output NGT Battery Capacity 60V 35Ah Panasonic 18650 Battery Weight 11KG Battery Pack Quantity 2 Max Speed 70KM h When battery le...

Page 55: ...V1 0 0 55 BCS Battery Control System Dual Switch Controller The BCS device is used to control the output and input of dual batteries and communicates with ECU...

Page 56: ...of BCS Remove the cover to check the cabling BCS connector with Main Harness S BCS output positive pole S BCS output negative pole 1 Battery1 positive pole 1 Battery1 Negative pole 2 Battery2 positive...

Page 57: ...ply and then disconnect from the battery The fast charger can be used onboard charging port Spec Red constantly on Charging Red flash In fault status Green constantly on Finish charge Green flash Wait...

Page 58: ...V1 0 0 58 Use H1 can query BMS info to troubleshoot for Battery pack How to use H1 please check H1 User Manual...

Page 59: ...mV Charge_C 00000mA DisCharge_C 00200mA T1 021 C T2 021 C T3 021 C T4 021 C Individual Battery Cell Voltages BMS Status currently not in use BMS Functioning OFFLINE means BMS Failure Replace BMS if ne...

Page 60: ...r Detected BMS MOS Failure How to read Battery voltage Ref 30 Connect H1 to Battery Pack directly Press BMS_Info Icon to Read battery total voltage and single cell voltage The max total voltage is 71...

Page 61: ...V1 0 0 61 For detail about work principle of scooter please refer to Circuit Diagram and Wiring Diagram...

Page 62: ...Vehicle Communication Data of H1 User Guide Check communication between ECU and FOC controller Step 1 Disconnect the main Battery Step 2 Disconnect the ECU connector Step 3 Connect negative pin of mu...

Page 63: ...ve pin of multimeter to pin 3 grey and violet of ECU female connector Step 4 Connect positive pin of multimeter to the pin 6 grey and violet of Display connector Step 5 Set multimeter to test closed c...

Page 64: ...ting due to moisture looseness or bad contact before maintenance of the motor system Attention should be paid to proper maintenance of the motor system and appropriate protection measures for avoidanc...

Page 65: ...Connector code J25 A Disassembling order Section 4 20 Connector Definition PIN Color Definition 1 Blue Phase 2 Green Phase 3 Yellow Phase Motor Hall 1 Black Power cord 2 3 Red Phase 4 Blue Phase 5 Gre...

Page 66: ...tor Ref 009 Preparation Remove section 4 first 1 Screw up two hexagon flange bolts on the left and right side 2 Install the motor connectors on FOC controller 3 Connect the motor hall connector Scoote...

Page 67: ...omatically the output current to protect safety of the motor controller and battery 3 Under voltage over voltage protection The controller stops automatically the motor rotation when the input voltage...

Page 68: ...e and blue Mode 2 3 White and black Mode 3 4 Blue EABS earth 5 Orange ACC power lock 6 Violet Brake lamp 7 Blue EABS 10 White and grey RS485 A 11 Yellow Side Stand Switch 12 Black BOOST 13 Black and w...

Page 69: ...V1 0 0 Simple Schematic Diagram Circuit...

Page 70: ...e short circuit 4 Locked rotor warning Duration of Motor in locked rotor status longer than default value Replace FOC controller 5 HALL failure Incorrect HALL input Voltage detected Replace Motor 6 MO...

Page 71: ...k voltage of the main power cord by disconnecting the following connectors FOC Controller connector Red and Black wires Step 3 Check DC voltage between the Red wire and Black Negative at harness side...

Page 72: ...tage of the PIN 10 orange ACC power lock by disconnecting the following connectors FOC Controller connector Red and Black wires Step 3 Check DC voltage between the PIN 10 orange ACC power lock and Bla...

Page 73: ...V1 0 0 73 How to replace FOC controller Ref 004...

Page 74: ...E4 Speed regulating steering handle right Connector Code Connector Definition PIN Color Definition 1 White and green Signal wire 2 Dark Red Power cord 5V 3 Black Negative electrode E4 Speed regulatin...

Page 75: ...andard Start angle 0 83 0 9V End angle 3 5 3 85V The voltage should change smoothly between standard values with turning Twist Grip How to check Cable Hall Sensor power input Ref 014 Step 1 Turn the i...

Page 76: ...3 Connect the multimeter between the white green signal output wire and the black ground wire on Speed regulating steering handle Turn the handle slowly from the start angle to the end angle and chec...

Page 77: ...to replace Hall Cable Sensor Ref 012 1 Pull out the cable of Twist Grip 2 Unscrew four screws and disconnect the connector of hall cable sensor shown in the picture 3 Reassemble Hall Cable Sensor is...

Page 78: ...V1 0 0 CBS Combined Braking System The division of brake force by CBS is front 30 and rear 70...

Page 79: ...DC Converter Disassembling order Section 2 3 Connector Code J12 A PIN Color Definition 1 Red and green 60V input wire to the converter 2 Black Negative electrode 3 Black Negative electrode 4 Red and w...

Page 80: ...e and Black Negative at component side Step 3 DC voltage reading on multimeter should be same as battery voltage 71 4V How to check DC DC Converter power output Ref 016 Step 1 Turn the power ON Step 2...

Page 81: ...J3 A PIN Color Definition 1 Red and white Power cord 12V 2 Red and green DC 3 Red Power cord 60V 4 Yellow Left turn signal lamp wire 5 Pink Power Lock 6 Yellow 1 Alarm signal 7 Light blue Right turn...

Page 82: ...ck alarm voltage input output Step 4 Use a multimeter and set to DC measure alarm voltage input Negative to Black wire Positive to Red wire should get result equal to battery voltage Step 5 measure vo...

Page 83: ...V1 0 0 83 How to replace Alarm Ref 008 1 Unscrew the two screws as guide picture 3 Disconnect the connector of Alarm 3 Reassemble Alarm is reverse order...

Page 84: ...Blue 1 Distance light 2 White 1 Switch overtaking 3 Black Cathode 4 Yellow 1 Turn switch left 6 Light blue 1 Turn switch right 7 Gray Turn off the steering 8 Light Green Double flash of switch 9 Purpl...

Page 85: ...3 Light sensation 2 14 Pink Electric lock key 15 Red white 12V 16 Red white 12V 17 Black Ground 18 Light blue Turn right 19 Black Ground 20 Yellow Turn left 21 Black 1 Lock hole lamp 22 White Lower be...

Page 86: ...A Disassembling order Section 2 3 4 5 6 7 11 14 Connector Code J11 A Component side PIN Color Definition 1 Red Power cord 60V 2 Black Power Lock On Off Connector Code J11 B Harness side PIN Color Defi...

Page 87: ...to check Power Lock Ref 020 Step 1 Check DC voltage between Pink wire and Red wire Step 2 DC voltage reading on multimeter should be same as battery voltage If battery voltage does not exist replace t...

Page 88: ...r Definition PIN Color Definition 1 Red Power cord 60V 2 Pink Power Lock On Off 3 Violet and Grey Communication B 4 Black Negative electrode 5 White and Grey Communication A 6 Black and white 485 Grou...

Page 89: ...unication Network normal Blue is always on Can not connect to the network No Signal or Signal is weak Blue off GSM module doesn t work Must Know So if ECU damaged vehicle could still drive If removed...

Page 90: ...heck ECU by checking App Data Ref 002 This method only applied to scooter with activated SIM card Log into NIU E scooter App to check latest data update replace ECU if data is not up to date How to re...

Page 91: ...V1 0 0 91...

Page 92: ...etails of the vehicle which the spare part ECU is about to be installed information such as Vehicle Frame Number Vehicle SN and mobile number which was banned on the App Step 10 Update ECU with latest...

Page 93: ...V1 0 0 93 Component Name USB Connector Code J5 A Disassembling order Section 2 3 4 5 6 7 11 12 13 Connector Definition PIN Color Definition 1 Red Power cord 60V 2 Black Negative electrode USB Port...

Page 94: ...g order Section 2 3 Connector Definition PIN Color Definition 1 Blue 1 Distance light 2 White 1 Headlight overtaking 3 Black Cathode 4 Dark green Horn 5 Red white 12V 6 Light blue 1 Turn switch right...

Page 95: ...Beam and Black wire of another connector ie Negative pin of Headlight Step 3 DC voltage reading on multimeter should be around 12V when the corresponding switch is on Other switch detection methods a...

Page 96: ...e J2 A Disassembling order Section 2 3 Connector Definition PIN Color Definition 1 White and yellow Shift down 2 White and blue Shift up 3 Black Cathode 4 Black Cathode 5 6 Black Cathode 7 Light green...

Page 97: ...21 example Check the Hazard Light Switch Step 1 Turn the power ON Step 2 Check for closed circuit between PIN 5 Blue White wire Hazard Lights and Black wire Step 3 the multimeter should beep if the ci...

Page 98: ...ight Connector Code J13 A Disassembling order Section 2 3 Connector Definition PIN Color Definition 1 White Low beam 2 Blue High beam 3 Red and white Power cord 12V 4 Black Negative electrode NGT Head...

Page 99: ...023 Step 1 Turn the power ON Step 2 Check DC voltage between Red White wire and Black wire Step 3 DC voltage reading on multimeter should be 12V If 12V exist but Headlight does not illuminate replace...

Page 100: ...ctor Definition PIN Color Definition 1 Yellow Left turn signal lamp 2 Black Negative electrode Component Name Right turn signal lamp Connector Code J8 A Disassembling order Section 2 3 Connector Defin...

Page 101: ...between Yellow wire and Black wire on harness side Step 5 DC voltage reading on multimeter should be 12V How to check Right turn signal lamp Ref 025 Step 1 Make the Flasher connector PIN2 Grey and PI...

Page 102: ...or Code J9 A Disassembling order Section 2 3 Connector Definition PIN Color Definition 1 Black Negative electrode 2 Yellow Left lamp signal wire 3 4 Red and white Power cord 12V 5 Violet Brake lamp 6...

Page 103: ...heck DC voltage between Red White wire and Black wire on harness side Step 3 DC voltage reading on multimeter should be around 12V Step 4 Press the brake DC voltage reading on multimeter should also b...

Page 104: ...tor Code Disassembling order Section 4 5 6 7 Connector Definition PIN Color Definition 1 Red Power cord 5V 2 Yellow Side Stand Switch signal 3 Black Negative electrode Manufactured From 05 2016 to 12...

Page 105: ...sconnect the connector to Check power input Check DC voltage between Red wire and Black wire on harness side Voltage reading should be 5V Step 2 Turn the power ON Step 3 Connect the connector to Check...

Page 106: ...V1 0 0 106 Component Name Horn Connector Code Disassembling order Section 2 3 Connector Definition PIN Color Definition 1 Green Horn 2 Black Negative electrode Horn...

Page 107: ...nt Name Left right brake Switch Connector Code J16 B Disassembling order Section 2 3 Connector Definition PIN Color Definition 1 Red Power cord 12V 2 Violet harness side Left right brake handle signal...

Page 108: ...onnect the Red and Black wires of the Brake Switch connector Step 2 Connect Multimeter Positive and Negative pins to the connectors and Set multimeter to test closed circuit mode then pull the brake t...

Page 109: ...ctor Code J10 A Disassembling order Section 4 Connector Definition PIN Color Definition 1 Red Power cord 60V 2 Black Negative electrode 1 Purple and Grey Communication B 2 White and Grey Communication...

Page 110: ...t Ref 029 Step 1 Remove the Under Seat Storage Compartment and find the charging port connector Step 2 Test closed circuit between Positive side in the seat storage and the component side Step 3 Multi...

Page 111: ...tion 2 3 Connector Definition PIN Color Definition 1 Red and white Power cord 12V 2 Light blue Right turn lamp 3 White and grey Communication A 4 Black Negative electrode 5 Blue High beam 6 Violet and...

Page 112: ...uses a colorful LED large screen The backlight will adjust according to the illumination intensity When the illumination intensity is high the backlight will be white When it is low the backlight wil...

Page 113: ...rence is less than 0 8V it would show the S icon And the left icon battery we named the first battery is the one in battery compartment and the right icon battery we named the second battery is the on...

Page 114: ...V1 0 0 About the color vary of the display...

Page 115: ...V1 0 0 About the color vary of the display...

Page 116: ...V1 0 0 116 How to replace Display Ref 006 Display 1 Disconnect the battery first then Unscrew three Hexagon flange nuts 2 Disconnect the connector and replace a new one...

Page 117: ...Battery 2 over discharge protection warning 14 132 Battery 1 over heat protection warning 15 152 Battery 2 over heat protection warning 16 133 Battery 1 low temp protection warning 17 153 Battery 2 l...

Page 118: ...lack credit 36 65 ECU no SN for recognisation 37 191 Battery 1 communication fault 38 192 Battery 2 communication fault 39 190 FOC controller Communication fault 40 194 BCS communication fault 41 99 M...

Page 119: ...t protection warning 132 152 Low temp protection warning 133 153 Communication Failure 191 192 Over current protection in Charge and Discharge Voltage protection in Charge and Discharge Temperature pr...

Page 120: ...ger Short circuit protection 183 Temperature protection 80 Over voltage protection 81 Over current protection 82 Troubleshooting Please use it in right environment and charge the related batteries If...

Page 121: ...g battery and re plug FOC connector If it is still error please replace FOC FOC power fault 110 FOC verification fail 111 Trouble shooting Please try to re plug battery and re plug FOC connector If it...

Page 122: ...V1 0 0 122 Diagnostic Code 10 11 12 13 on display...

Page 123: ...V1 0 0 123 Diagnostic Code 30 on display...

Page 124: ...V1 0 0 124 Diagnostic Code 31 on display...

Page 125: ...V1 0 0 125 Diagnostic Code 32 on display...

Page 126: ...V1 0 0 126 Diagnostic Code 60 62 63 64 65 on display...

Page 127: ...V1 0 0 127 Diagnostic Code 67 on display...

Page 128: ...V1 0 0 128 Diagnostic Code 99 on display...

Page 129: ...V1 0 0 129 Diagnostic Code 110 on display...

Page 130: ...V1 0 0 130 Diagnostic Code 111 on display Verification...

Page 131: ...V1 0 0 131 Diagnostic Code 120 on display...

Page 132: ...V1 0 0 132 Diagnostic Code 130 131 132 133 on display...

Page 133: ...V1 0 0 133 Diagnostic Code 140 on display...

Page 134: ...V1 0 0 134 Diagnostic Code 190 on display...

Page 135: ...V1 0 0 135 Diagnostic Code 191 on display...

Page 136: ...data and tools Category Inspection item Inspection result Appearance inspection Whether there are modifications Appearance of plastic scooter parts Screws and fasteners Front and rear shock absorbers...

Page 137: ...nspection Left Right Combination Switches Alarm and horn EBS energy recovery Controller inspection Wheel hub motor Wire connection and appearance Inspection for abnormal noise Startup inspection Toler...

Page 138: ...eplacement or reparation if necessary Inspection of Brake fluid The leaking brake can damage coatings plastics or rubber parts They should be well covered with cloths or paper sheets during the system...

Page 139: ...tches Turn on the ignition switch to check left and right combination switches Make sure that the corresponding light turns on to actual switch application Make sure that the light brightness and flas...

Page 140: ...aged components that can not be repaired Tighten all the nuts and bolts Rear suspension Press the rear shock absorber for several times to check its motion Check the entire shock absorber assembly for...

Page 141: ...e Tightening Torque Nm Installation screws on the front hydraulic brake plate Tightening bolts on the front shock absorber Tightening bolts on the fixed handle seat cover Tightening bolts on the welde...

Page 142: ...loosened Turn the wheel to make sure that it can be rotated smoothly without an abnormal noise The Front Rear Wheel bearing should be inspected as long as there are suspicious abnormal conditions Chec...

Page 143: ...ooter handles can be turned freely to left and right sides Check the steering column bearing if scooter handles are not moving smoothly or are stuck Fix the scooter and move the fork back and forth to...

Page 144: ...V1 0 0 144...

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