Nilfisk-Advance Advance SC5000

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148Service Manual – SC5000 24 - Electrical System

Power Distribution

−

B-

B+

Main

Disconnect

CB2

K2 Relay

Unswitched

Bat+

K2 switched

Bat+

Main Page

Table of Contents2
Sheet2
03 - General Information7
General Machine Description7
Service Manual Purpose and Application7
Other Reference Manuals and Information Sources7
Revision Table7
Parts and Service8
Diagnostic and Service Tools8
Conventions8
Modifications8
Nameplate8
Safety9
Symbols9
General Safety Instructions9
Transporting the Machine11
Moving a Disabled Machine11
Lifting the Machine12
Technical Specifications13
Fastener Torque Specifications14
Maintenance Schedule14
Maintenance Procedure References15
Lubricate the Machine15
Know Your Machine16
Main Assemblies16
Machine Components17
Front RH View17
Rear LH View18
04 - Control System19
Functional Description19
Functional Diagram20
Drive Controller21
Power Module22
Main Machine Controller23
Main Controller Operational Modes24
Operational Mode Prerequisites24
Control Panel26
CAN Bus Communication27
Component Locations28
Main Machine Controller Programming29
Service Mode Access29
Menu Navigation29
Programming Menu Outline30
Hours Menu31
Faults Menu31
Keys Menu31
Authorizing User Keys31
Deauthorizing User Keys31
Service Menu32
A1 Main Controller32
A3 Power Module33
A4 Drive Controller34
Output Test35
Deck Lift35
Panel Test36
Options Menu36
Configuration Menu37
System Menu38
Impact Log38
Troubleshooting39
Main Controller (A1) Error Codes41
Power Module (A2) Error Codes49
User Interface (A9) Error Codes68
Specifications70
Sample Shop Voltage Measurements70
Maintenance74
Firmware Update74
Removal and Installation75
Main Machine Controller75
14 - Wheel System, Non-Traction77
Functional Description77
Removal and Installation78
Rear Wheel Bearings and Seal78
Rear Brake Calipers80
20 - Drive System83
Functional Description83
Drive Motor83
Drive Pedal Potentiometer83
Drive Controller84
Operational Mode Prerequisites85
Troubleshooting85
Drive Controller (A4) Error Codes85
Removal and Installation92
Drive Controller92
Drive Wheel Assembly93
Electromechanical Brake96
Drive Tire97
Specifications100
Sample Shop Voltage Measurements100
22 - Steering System101
Functional Description101
Maintenance and Adjustment102
Steering Chain Tension102
Removal and Installation103
Steering Column Covers103
Steering Offset Box104
24 - Electrical System106
Functional Description106
Low Voltage Cutout107
Onboard Battery Charger107
Component Locations108
Troubleshooting109
Battery Testing109
Battery Charger Error Codes110
Maintenance and Adjustment120
Battery Settings120
Onboard Battery Charger120
Removal and Installation121
Batteries121
Wiring Diagrams122
Understanding the Features of the Electrical Circuit Diagram122
Device Labeling123
Navigation123
Electrical Circuit Diagram124
Sheet 1, Contents124
Sheet 2: Power/Charger/Main Controller Power125
Sheet 3: Controller Power126
Sheet 4: Main Controller Functions127
Sheet 5: Power Module128
Sheet 6: Drive Module129
Sheet 7: Vehicle Circuits130
Sheet 8: CAN Bus131
Condensed Electrical Circuit Diagram132
Sheet 1: Main Machine Controller132
Sheet 2: Power Module133
Sheet 3: Drive Controller134
Using the Wiring Diagram135
Wire Numbers135
Splice Points135
Connector Numbers135
Wiring Diagram136
Sheet 1136
Appendix A: CAN Wiring138
Appendix B: KSI Wiring139
Harness Diagram140
Sheet 1: Navigation140
Sheet 2: Lower Elec Bay, Front Chassis141
Sheet 3: Drive Controller, Traction Harness142
Sheet 4: Main Controller, KSI Relay Areas143
Sheet 5: Power Module, Machine Power144
Sheet 6: Lower Chassis and Scrub Deck Areas145
Sheet 7: Rear Chassis, Recovery, OBC, Column Harness146
3D Harness Connector Diagrams147
All Harnesses147
Power Distribution148
Main Harness, Electrical Bay149
Column Harness and Main Harness-Front150
Traction Harness151
Main Harness, Rear152
Electrical Connector Pin-Out Assignments153
30 - Solution System167
Functional Description167
Shutoff Valve167
Solution Solenoid167
Solution Level Sensor167
External Wash Options168
Ecoflex Option169
Plumbing Diagram170
Operational Mode Prerequisites170
Troubleshooting171
Detergent Not Flowing171
Solution Level Indication Is Not Correct172
Testing Individual Sensor Bodies172
Removal and Installation174
Solution Solenoid174
Detergent Pump175
Wash Hose Pump (Option)176
Specifications177
34 - Scrub System, Disc178
Functional Description178
Deck Lift Actuator178
Scrub Control179
Operational Mode Prerequisites179
Circuit Overview180
Maintenance and Adjustment181
Lift Actuator Limit Adjustment181
Removal and Installation183
Scrub Deck183
Deck Lift Actuator184
Brush Motor184
Brush Motor Brushes185
Specifications187
Special Tools187
Actuator Test Kit187
34 - Scrub System, Cylindrical188
Functional Description188
Deck Lift Actuator188
Scrub Control189
Operational Mode Prerequisites190
Circuit Overview190
Maintenance and Adjustment191
Lift Actuator Limit Adjustment191
Removal and Installation193
Scrub Deck193
Deck Lift Actuator195
Brush Drive Belt196
Brush Motor196
Brush Motor Brushes198
Specifications200
Special Tools200
Actuator Test Kit200
38 - Squeegee System201
Functional Description201
Squeegee Lift Actuator201
Squeegee202
Maintenance and Adjustment202
Squeegee Blade Cleaning and Inspection202
Squeegee Height and Tilt Adjustment203
Squeegee Actuator Limit Adjustment204
Removal and Installation206
Squeegee Lift Actuator206
Specifications207
Special Tools207
Actuator Test Kit207
40 - Recovery System208
Functional Description208
Vacuum Motor and Recovery Tank208
Operational Mode Prerequisites208
Vacuum Motor Control Circuit Overview209
Troubleshooting210
Vacuum Suction Test211
Removal and Installation212
Recovery Tank212
Vacuum Motor212
Vacuum Motor Brushes214
Specifications215
Special Tools215
90 - Options and Accessories216
Beacon216
Headlights216
Blue Light216
On Board Charger (OBC)216
Ecoflex216
Scrub-N-Vac217
Wash Hose217
Trackclean217
Dual Vacuum217
Side Sweep217
Various Mechanical Kits218

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