V1.0.0
2
Foreword
Key points in maintenance of Niu NGT are described in this maintenance manual.
Preparations in the maintenance manual include notes to all operations. Please read the manual
carefully before operating.
Key points in the inspection and adjustment, including maintenance methods for scooter safety and
component performance that are applied from regular examinations, are described.
Chapters are edited with disassembly diagrams, system figures and instructions about the
maintenance and failure diagnosis.
Note:
Modifications of scooter version or structure as well as photos, pictures or instructions in the manual
are referred to physical objects without further notice.
Maintenance Information
The maintenance and reparation information contained in this manual is for technical specialists only.
Maintenance or reparation performed by those who are not trained properly and provided with
appropriate tools and equipment may cause injuries to themselves or others and also lead to
damages or unsafe conditions of the scooter.
The proper maintenance and reparation procedures, some of which require special tools and
equipment, are described in this manual. The risks in terms of personal safety and scooter operation
safety, which may be resulted from the use of components, maintenance procedures or tools not
recommended by Niu must be verified.
Please make replacement 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 maintenance is crucial for customer safety and scooter reliability. Any errors or omissions
in scooter maintenance may result in operating malfunctions, scooter damages or injuries.
Improper maintenance or reparation may lead to unsafe conditions under which serious injuries or
even death of your customers or other people may be incurred.
Please carefully follow the procedures and cautions in this manual and other maintenance materials.
Personal Safety Notice
This manual is used only by professional maintenance technicians, and the warning information
about multiple basic workshop safety operation procedures (such as the procedure that requires
gloves when working on hot components) is n=ot set forth herein. We recommend you not to carry
out procedures specified in this manual without readiness if you have not received the workshop
safety training or grasped the knowledge about maintenance safety specifications.
The following are listed as several most importance general notes to maintenance safety. However,
we are unable to set forth the warning for each of risks that may arise from maintenance and
reparation procedures. You have to determine at your discretion whether a detail task should be
implemented.
Failure to properly follow relevant instructions and notes may result in serious injuries or even death.
Please carefully follow procedures and notes in this manual.
Содержание N-GT
Страница 45: ...V1 0 0 Rear components 1 FOC motor controller 2 Saddle Lock 3 BCS BCS 3...
Страница 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...
Страница 61: ...V1 0 0 61 For detail about work principle of scooter please refer to Circuit Diagram and Wiring Diagram...
Страница 69: ...V1 0 0 Simple Schematic Diagram Circuit...
Страница 73: ...V1 0 0 73 How to replace FOC controller Ref 004...
Страница 78: ...V1 0 0 CBS Combined Braking System The division of brake force by CBS is front 30 and rear 70...
Страница 91: ...V1 0 0 91...
Страница 114: ...V1 0 0 About the color vary of the display...
Страница 115: ...V1 0 0 About the color vary of the display...
Страница 122: ...V1 0 0 122 Diagnostic Code 10 11 12 13 on display...
Страница 123: ...V1 0 0 123 Diagnostic Code 30 on display...
Страница 124: ...V1 0 0 124 Diagnostic Code 31 on display...
Страница 125: ...V1 0 0 125 Diagnostic Code 32 on display...
Страница 126: ...V1 0 0 126 Diagnostic Code 60 62 63 64 65 on display...
Страница 127: ...V1 0 0 127 Diagnostic Code 67 on display...
Страница 128: ...V1 0 0 128 Diagnostic Code 99 on display...
Страница 129: ...V1 0 0 129 Diagnostic Code 110 on display...
Страница 130: ...V1 0 0 130 Diagnostic Code 111 on display Verification...
Страница 131: ...V1 0 0 131 Diagnostic Code 120 on display...
Страница 132: ...V1 0 0 132 Diagnostic Code 130 131 132 133 on display...
Страница 133: ...V1 0 0 133 Diagnostic Code 140 on display...
Страница 134: ...V1 0 0 134 Diagnostic Code 190 on display...
Страница 135: ...V1 0 0 135 Diagnostic Code 191 on display...
Страница 144: ...V1 0 0 144...