SC500
Service Manual
Advance SC500, 9087361020, 9087353020
Nilsk SC500, 9087350020 - 9087351020
English
05/2015 (2) Form No. 9099984000
Table of Contents
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Machine General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Service Manual Purpose and Field of Application . . . . . . . . . . . . . . . . . . . . . . 4
Other Reference Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Service and Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Visible Symbols on the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
General Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Machine Lifting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Machine Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Machine Nomenclature (know your machine) . . . . . . . . . . . . . . . . . . . . . . . . 10
Control panel (Disc deck) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service and Diagnostic Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Nilsk SC500 Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Advance SC500 REV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Scheduled Maintenance Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Table of Contents iService Manual – SC500
Chassis System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Chassis (main parts) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Function Board (EB1) Alarm Codes. . . . . . . . . . . . . . . . . . . . . . . . . . .21
Black-box: Recording of Alarms, Parameters (see pages 29-30), Partial Operating Time
Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Display, Main Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Display, Alarms Log Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Display, Machine Settings Screen . . . . . . . . . . . . . . . . . . . . . . . . . . .28
System for Flow Rate Regulation as Function of Speed . . . . . . . . . . . . . . . . 30
Display, Operating Time Counter Screen. . . . . . . . . . . . . . . . . . . . . . . .31
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Function Board (EB1) Removal/Replacement . . . . . . . . . . . . . . . . . . . . . 32
Display Board (EB2) and Dashboard Instrument Board (EB3) Removal/Replacement 34
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Function Board (EB1) Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Display board (EB2) Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Shop Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Shop Measurements - Function Board (EB1) . . . . . . . . . . . . . . . . . . . . . 44
Shop Measurements - Display Board (EB2) . . . . . . . . . . . . . . . . . . . . . . 54
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Table of Contents iiService Manual – SC500
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Setting the Installed Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Battery installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Battery Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Battery Charge State Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Checking/Replacing Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
General Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Recovery System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Recovery Tank Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Vacuum Motor Current Draw Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Vacuum Motor Unit Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . 72
Container and Vacuum Motor Disassembly/Assembly. . . . . . . . . . . . . . . . .73
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Scrub System, Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Brush Release System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Brush Deck Actuator System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Brush Installation/Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Brush Motor Current Draw Test . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Brush Deck Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Checking/Replacing Brush Motor Carbon Brushes . . . . . . . . . . . . . . . . . .86
Brush Motor Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Brush Deck Actuator Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . .88
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Scrub System, REV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Brush Deck Actuator System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Brush or Pad Installation/Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
REV Motor Current Draw Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
REV Deck Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Checking/Replacing REV Motor Carbon Brushes . . . . . . . . . . . . . . . . . . .99
REV Deck Actuator Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . 102
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Solution System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Table of Contents iiiService Manual – SC500
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Cleaning the Detergent Solution Tank and Filter . . . . . . . . . . . . . . . . . . 107
Cleaning the EcoFlex Detergent Tank . . . . . . . . . . . . . . . . . . . . . . . . 108
Draining the EcoFlex System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Solenoid Valve Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . . . 112
Detergent Pump Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . . . 113
Water Level Sensor Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Checking the Water Level Sensor Operation . . . . . . . . . . . . . . . . . . . . . 114
Water Level Sensor Disassembly/Assembly . . . . . . . . . . . . . . . . . . . . . 115
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Squeegee System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Squeegee cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Checking/Replacing the Squeegee Blades . . . . . . . . . . . . . . . . . . . . . . 120
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Disassembly/Assembly of the Gas Spring on the Squeegee Support . . . . . . . . 122
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Wheel System, Traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Speed Potentiometer Removal/Replacement . . . . . . . . . . . . . . . . . . . . . 127
Drive System Gear Motor Current Draw Test . . . . . . . . . . . . . . . . . . . . 128
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Service Manual – SC500
General Information
General Information
Machine General Description
The SC500 is a “man-down” industrial machine designed to wash and dry oors in one pass. The machine is
powered by on-board batteries, models can be equipped with EcoFlex system. The machine features variable
oor pressure disc brush or REV system, controlled detergent solution dosing and a rear squeegee with rubber
blades that vacuums and dries the oor.
Service Manual Purpose and Field of Application
The Service Manual is a technical resource intended to help service technicians when carrying out maintenance and repairs on the SC500, to guarantee the best cleaning performance and a long working life for the
machine.
Please read this manual carefully before performing any maintenance and repair procedure on the machine.
4
Other Reference Manuals
Model Product code Instruction for use Spare Parts List
Nilsk SC500 53 B FULL PKG 9087350020
Nilsk SC500 53 B 9087351020
Advance SC500 20 B 9087352020
Advance SC500 20R B 9087353020
Assembly Instructions Instruction Code Machines concerned
EcoFlex Kit 9100000923 SC500 Nilsk
Battery charger kit 9100000924 SC500 Nilsk
Vacuum system motor kit 9100000753 All SC500
These manuals are available at:
Local Advance or Nilsk retailer
Advance website: www.advance-us.com
Nilsk website: www.nilsk.com
9099974000 9099975000
9099980000 9099981000
Service Manual – SC500
General Information
Conventions
Forward, backward, front, rear, left or right are intended with reference to the operator when seated in the
driving position.
Service and Spare Parts
Service and repairs must be performed only by authorised personnel or Nilsk or Advance Service Centers.
The authorised personnel is trained directly at the manufacturer’s premises and has original spare parts and
accessories.
Contact Nilsk or Advance Retailer indicated below for service or to order spare parts and accessories, specifying the machine model and serial number.
(Apply Retailer label here)
5
Serial Number Label
Reference to Figure 1
The machine serial number and model name are
marked on the plate (see the example to the side).
Product code and year of production are marked on
the same plate.
This information is useful when requiring machine
spare parts. Use the following table to write down
the machine identication data.
Model: Scrubber-Dryer SC500 20 B
Prod. Nr: 9087352020
GVW: 207 kg/456 lb
21 A Charg.100-240Va c 50-60 Hz
Type E Scrubber Dryer
UL 583
CSA C22.2 N.68-92
A Nilfisk-Advance Brand
IPX4
3084826
Serial No: ..................
Date code: .......
LpA = 63 dB(A)
Battery 24 Vdc
2%
“Made in Hungary”
Nilfisk-Advance, Inc.
Plymouth, MN, USA
www.advance-us.com
MACHINE model .............................................................................................
PRODUCT code ..............................................................................................
MACHINE serial number .................................................................................
Figure 1
Service Manual – SC500
General Information
Safety
The following symbols indicate potentially dangerous situations. Always read this information carefully and
take all necessary precautions to safeguard people and property.
Visible Symbols on the Machine
Warning! Carefully read all the instructions before performing any operation on the
machine.
Warning! Do not wash the machine with direct or pressurized water jets.
Warning! Do not use the machine on slopes with a gradient exceeding the
max.2%
specications.
6
Symbols
Note: It indicates a remark related to important or useful functions.
Danger! It indicates a dangerous situation with risk of death for the operator.
Warning! It indicates a potential risk of injury for people or damage to objects.
Caution! It indicates a caution related to important or useful functions.
Service Manual – SC500
General Information
General Instructions
Specic warnings and cautions to inform about potential damages to people and machine are shown below.
Warning! Make sure to follow the safety precautions to avoid situations that may lead to
serious injuries.
• Before performing any maintenance, repair, cleaning or replacement procedure, remove the ignition key
and disconnect the battery connector.
• This machine must be used by properly trained operators only.
• Do not wear jewels when working near electrical components.
• Do not work under the lifted machine without supporting it with safety stands.
• Do not operate the machine near toxic, dangerous, ammable and/or explosive powders, liquids or vapors:
This machine is not suitable for collecting dangerous powders.
• When using lead (WET) batteries, keep sparks, ames and smoking materials away from the batteries.
During the normal operation explosive gases are released.
• When using lead (WET) batteries, battery charging produces highly explosive hydrogen gas. During battery charging, lift the recovery tank and perform this procedure in well-ventilated areas and away from
naked ames.
Caution! Make sure to follow the safety precautions to avoid situations that may lead to
serious injuries, damages to materials or equipments.
7
• Carefully read all the instructions before performing any maintenance/repair procedure.
• The machine ignition key has a built-in magnet. Do not place objects having magnetic bands (such as
credit cards, electronic keys, phone cards) near the key. The built-in magnet can damage or erase the data
stored on the magnetic bands.
• Before using the battery charger, ensure that frequency and voltage values, indicated on the machine serial number plate, match the electrical mains voltage.
• Do not pull or carry the machine by the battery charger cable and never use the battery charger cable as
a handle. Do not close a door on the battery charger cable, or pull the battery charger cable around sharp
edges or corners. Do not run the machine on the battery charger cable.
• Keep the battery charger cable away from heated surfaces.
• Do not charge the batteries if the battery charger cable or the plug are damaged.
• To reduce the risk of re, electric shock, or injury, do not leave the machine unattended when it is
plugged in. Before performing any maintenance procedure, disconnect the battery charger cable from the
electrical mains.
• Do not smoke while charging the batteries.
• To avoid any unauthorized use of the machine, remove the ignition key.
• Do not leave the machine unattended without being sure that it cannot move independently.
• Always protect the machine against the sun, rain and bad weather, both under operation and inactivity
condition. Store the machine indoors, in a dry place: This machine must be used in dry conditions, it must
not be used or kept outdoors in wet conditions.
• Before using the machine, close all doors and/or covers as shown in the User Manual.
• This machine is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the machine by a person responsible for they safety.
• Children should be supervised to ensure that they do not play with the machine.
• Close attention is necessary when used near children. Use only as shown in this Manual. Use only Nilsk
or Advance recommended accessories.
• Check the machine carefully before each use, always check that all the components have been properly
assembled before use. If the machine is not perfectly assembled it can cause damages to people and properties.
• Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by the machine
moving parts.
• Do not use the machine on incline.
• Do not tilt the machine more than the angle indicated on the machine itself, in order to prevent instabil-
ity.
Service Manual – SC500
General Information
• Do not use the machine in particularly dusty areas.
• Use the machine only where a proper lighting is provided.
• While using this machine, take care not to cause damage to people or objects.
• Do not bump into shelves or scaffoldings, especially where there is a risk of falling objects.
• Do not lean liquid containers on the machine, use the relevant can holder.
• The machine operating temperature must be between 32°F and 104°F (0°C and +40°C).
• The machine storage temperature must be between 32°F and 104°F (0°C and +40°C).
• The humidity must be between 30% and 95%.
• When using oor cleaning detergents, follow the instructions on the labels of the detergent bottles.
• To handle oor cleaning detergents, wear suitable gloves and protections.
• Do not use the machine as a means of transport.
• Do not allow the brush/pad to operate while the machine is stationary to avoid damaging the oor.
• In case of re, use a powder re extinguisher, not a water one.
• Do not tamper with the machine safety guards and follow the ordinary maintenance instructions scrupu-
lously.
• Do not allow any object to enter into the openings. Do not use the machine if the openings are clogged.
Always keep the openings free from dust, hairs and any other foreign material which could reduce the air
ow.
• Do not remove or modify the plates afxed to the machine.
• When the machine is to be pushed for service reasons (missing or discharged batteries, etc.), the speed
must not exceed 2.5 mi/h (4 km/h).
• This machine cannot be used on roads or public streets.
• Pay attention during machine transportation when temperature is below freezing point. The water in the
recovery tank or in the hoses could freeze and seriously damage the machine.
• Use brushes and pads supplied with the machine or those specied in the User Manual. Using other
brushes or pads could reduce safety.
• In case of machine malfunctions, ensure that these are not due to lack of maintenance. If necessary, request assistance from the authorised personnel or from an authorised Service Center.
• If parts must be replaced, require ORIGINAL spare parts from an Authorised Dealer or Retailer.
• To ensure machine proper and safe operation, the scheduled maintenance shown in the relevant chapter
of this Manual, must be performed by the authorised personnel or by an authorised Service Center.
• Do not wash the machine with direct or pressurised water jets, or with corrosive substances.
• The machine must be disposed of properly, because of the presence of toxic-harmful materials (batteries,
etc.), which are subject to standards that require disposal in special centres (see Scrapping chapter).
8
Service Manual – SC500
Machine Lifting
Warning! Do not work under the lifted machine without supporting it with safety stands.
Machine Transportation
Warning! Before transporting the machine, make sure that:
All covers are closed.
The recovery tank and the detergent tank are empty.
The batteries are disconnected.
The ignition key is removed.
General Information
9
The machine is securely fastened to the means of transport.
Service Manual – SC500
Machine Nomenclature (know your machine)
General Information
10
Can holder
Recovery tank
cover
Battery charger
Tank lifting
handle
Solution drain
and level check
hose
Serial number
plate/technical
data/conformity
certication
Solution lter
Solution tap
Drive handlebar
Forward/reverse
gear and activation
paddle
Control panel
Battery charger
cable
Battery charger
cable housing and
document holder
Recovery water
drain hose
Battery connector
(red)
Squeegee vacuum
hose
Squeegee lifting/
lowering pedal
Rear pivoting wheels
Figure 2
Squeegee adjusting
knob
Squeegee mounting
handwheels
Service Manual – SC500
Machine Nomenclature (Continues)
General Information
11
Debris
collection tank
Detergent
solution tank
side ller cap
Vacuum grid
with automatic
shut-off oat
Solution tank
Recovery tank
Batteries
Recovery tank
cover
Vacuum system
motor
Detergent
solution tank
front ller
Water
removable ller
hose
EcoFlex
detergent tank
Squeegee
Front driving
wheels
Figure 3
Machine
straight forward
movement
adjusting knob
Disc brush deck
Brush
REV deck
REV brush
Service Manual – SC500
Control panel (Disc deck)
Multifunction display and
operating information
General Information
12
EcoFlex system push-
button
Vacuum system
adjustment/deactivation
push-button
Detergent ow adjustment
push-button
Detergent percentage
adjustment push-button
Machine start/stop push-
button
Figure 4
Control panel (REV deck)
Multifunction display and
operating information
max.2%
1s
One-Touch Scrub ON/OFF
push-button
Brush release push-button
Machine speed adjustment
push-buttons
Machine ignition key
Operator key (grey)
Super user key (yellow)
EcoFlex system push-
button
Vacuum system
adjustment/deactivation
push-button
Detergent ow adjustment
push-button
Detergent percentage
adjustment push-button
Machine start/stop push-
button
Figure 5
max.2%
1s
One-Touch Scrub ON/OFF
push-button
REV function push-button
Machine speed adjustment
push-buttons
Machine ignition key
Operator key (grey)
Super user key (yellow)
Service Manual – SC500
General Information
Service and Diagnostic Equipment
Besides a complete set of standard meters, the following instruments are necessary to perform fast checks and
repairs on Nilsk-Advance machines:
• Laptop computer charged with the current version of EzParts, Adobe Reader and (if possible) Internet
connection
• Digital Volt Meter (DVM)
• Amp clamp with possibility of making DC measurements
• Hydrometer
• Battery charge tester to check 12V batteries
• Static control wrist strap
• Dynamometric wrench set
• A copy of the User Manual and Spare Parts List of the machine to be serviced (provided with the machine
or available at www.advance-us.com or other Nilsk-Advance websites).
The following equipment is also available at Nilsk-Advance Centers:
• Vacuum water lift gauge, P/N 56205281
13
Figure 6
Service Manual – SC500
Technical Data
General Information
14
Description / Model
Solution tank capacity 12 US gal (45 liters)
Recovery tank capacity 12 US gal (45 liters)
Machine length 50.3 in (1277 mm) 51.2 in (1302 mm)
Machine width with squeegee 28.3 in (720 mm)
Machine width without squeegee 21 in (532 mm) 21.2 in (538 mm)
Machine height 41.8 in (1063 mm)
Cleaning width 20 in (530 mm)
Driving wheel diameter 7.8 in (200 mm)
Driving wheel specic pressure on the oor (*) 101 psi (0.7 N/mm2)
Rear wheel diameter 3.1 in (80 mm)
Rear wheel specic pressure on the oor (*) 304 psi (2.1 N/mm2)
Brush/pad diameter 20 in (530/508 mm)
Brush pressure with extra-pressure function turned off 33 lb (15 kg) 49 lb (22 kg)
Brush pressure with extra-pressure function turned on 66 lb (30 kg) 66 lb (30 kg)
Solution ow values
EcoFlex system detergent percentage Ratio 1:500 ÷ 1:33 (0.25% ÷ 3%)
Sound pressure level at workstation (ISO 11201, ISO 4871, EN 60335-2-72) (LpA) 63 ± 3 dB(A) 65 ± 3 dB(A)
Sound pressure level at workstation in silent mode (LpA) 60 ± 3 dB(A) 61 ± 3 dB(A)
Machine sound power level (ISO 3744, ISO 4871, EN 60335-2-72) (LwA) 81 dB(A) 83 dB(A)
Vibration level at the operator’s arms (ISO 5349-1, EN 60335-2-72) < 98.4 in/s2 (< 2.5 m/s2)
Maximum gradient when working 2%
Drive system motor power 0.27 hp (200 W)
Drive speed (variable) 0 - 3.1 mi/h (0 - 5 km/h)
Vacuum system motor power 0.37 hp (280 W)
Vacuum system circuit capacity 29.9 in H2O (760 mm H2O)
Brush motor power 0.6 hp (450 W) 0.9 HP (670 W)
Brush rotation speed 155 rpm -
Total power draw (EN 60335-2-72) 0.7 hp (500 W)
IP protection class X4
Protection class (electric) III (I for the battery charger)
Battery compartment size 13.7x13.7x10.2 in (350x350x260 mm)
System voltage 24V
Standard batteries (2) 12V 105 AhC5
Battery charger 24V 13A
Operating time (standard batteries) (EN 60335-2-72) 3.5 hour
Weight without batteries and with empty tanks 187 lb (85 kg) 194 lb (88 kg)
Gross vehicle weight (GVW) 456 lb (207 kg) 463 lb (210 kg)
Shipping weight 256 lb (116 kg) 262 lb (119 kg)
Advance / Nilsk
SC500 20 B
0.75 cl/m / 1.5 cl/m
3.0 cl/m / 2.8 l/min
Advance
SC500 20R B
0.38 cl/m / 0.75 cl/m
1.5 cl/m / 2.8 l/min
(*) Machines have been tested under the following conditions:
◦ Battery maximum size
◦ Maximum brush and squeegee size
◦ Full detergent tank
◦ Optional equipment installed
◦ Wheel weight checked
◦ Print on the oor checked on cement for each single wheel
◦ Result expressed as maximum value for both front and rear wheels
Service Manual – SC500
Dimensions
Nilsk SC500 Disc
41.8 in (1063 mm)
General Information
15
Figure 7
28.3 in (720 mm)
50.3 in (1277 mm)
21 in (532 mm)
Service Manual – SC500
Dimensions (Continues)
Advance SC500 REV
41.8 in (1063 mm)
General Information
16
Figure 8
28.3 in (720 mm)
51.2 in (1302 mm)
21.2 in (538 mm)
Service Manual – SC500
General Information
Maintenance
The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance.
Warning! Read carefully the instructions in the Safety chapter before performing any
maintenance procedure.
The following tables provides the scheduled maintenance. The intervals shown may vary according to particular
working conditions, which are to be dened by the person in charge of the maintenance.
For instructions on maintenance procedures, see the following paragraphs.
Scheduled Maintenance Table
17
Procedure
Battery Charging
Squeegee Cleaning
Brush/pad cleaning
Recovery tank and debris tray cleaning, and cover
gasket check
EcoFlex system cleaning and draining
Squeegee blade check
Solution Filter Cleaning
Battery (WET) uid level check
Squeegee blade replacement
Brush motor carbon brush check or replacement
Drive system motor carbon brush check or replacement
Brush deck vibration-damper replacement (only for REV
version)
Daily, after using
the machine
Weekly
Every six
months
Yearly
Chassis System 18Service Manual – SC500
Chassis System
Chassis (main parts)
The chassis function is primarily performed by the solution tank, the support housings for the wheels and working
mechanisms are integrated in the gear motor unit and the rear frame.
Reference to Figure 1
• Deck raising levers (see also Brush System, Disc and Brush System, REV)
• Frame integrated in the drive motor (see also Wheels System, Drive)
• Rear pivoting wheels support frame with squeegee raising/lowering system (see also Squeegee System)
Brush deck raising levers
Drive gear motor with
integrated frame
Rear pivoting wheels support frame with squeegee
Figure 1
raising/lowering system
Control System
Functional Description
Control System 19Service Manual – SC500
The architecture of the electronic control system for
the machine’s electrical components is composed of
a Function Board (EB1) and a Display Board (EB2),
in turn connected to a Dashboard Instrument Board
(EB3) which represents the main user interface.
The function board (EB1) manages all components
and drives the following components directly:
- Drive system motor (M3)
- Vacuum system motor (M2)
- Deck actuator (M5)
- Brush motor (M6)
- Solution ow solenoid valve (EV1)
- Detergent pump (M4)
The Display Board (EB2) serves mainly as an aggregator for all input signals (buttons) and outputs
(LEDs) from the Dashboard Instrument Board (EB3),
which it is connected to via 2 at cables.
Mounted on the Display Board (EB2) is also the LCD
display and the 2 sensors which detect the presence
and type of magnetic key inserted in the dashboard.
The display electronic board (EB2) sends all the input
and output signals of these components to the function electronic board (EB1) using 2-wire 2-way serial
communications protocol.
The system is completed by the on-board battery
charger which also uses a proprietary serial protocol
to communicate with the Function Board (EB1), in order to display its operating status (charging phase) to
the operator on the LCD display.
Wiring Diagram
DASHBOARD
INSTRUMENT
BOARD (EB3)
J3
J2
Figure 1
SCHEDA DISPLAY (EB2)
Dashboard power supply +
Dashboard serial +
Microprocessor
FCI DUFLEX (2.54 pitch) 8-way, male pins
FCI DUFLEX (2.54 pitch) 9-way, male pins
Dashboard serial -
Dashboard power supply -
Return from key
BATT +
J1.1
J1.2
J1.3
J1.4
J1.5
BATT -
B+
J3.1
Dashboard power supply +
J3.2
Dashboard serial +
J3.3
Dashboard serial -
J3.4
Dashboard power supply -
J3.5
Return from key
B-
SIGNAL CIRCUITS
FUSE (F2)
Microprocessor
FUNCTION ELECTRONIC
BOARD (EB1)
Component Locations
• Function electronic board (EB1)
• Display board (EB2)
• Dashboard instrument board (EB3)
Control System 20Service Manual – SC500
Function electronic
board (EB1)
Figure 2
Dashboard instrument
board (EB3)
Display board (EB2)
Figure 3
Control System 21Service Manual – SC500
Maintenance and Adjustments
Function Board (EB1) Alarm Codes
The function electronic board indicates a series of alarms in case of malfunction of one or more systems, and
in case of abnormal conditions detected in the input signals.
The alarms are shown on the display in the following format: ALARM <XX> <DESCRIPTION> (Figure 4).
Figure 4
In case the display is malfunctioning, the alarms are also repeated by the yellow and red diagnostic LEDs
(Figure 5) on the function board (EB1), as indicated in the following tables.
Figure 5
General alarms
Alarm on Function Board - FLASHING YELLOW + RED LEDS
Alarm code
-------------------------Description
G2
-----------------------
EEPROM
ERROR
No.
Flashes
Meaning Condition Effect
2 EEPROM error EEPROM error Function block
+ Default setting
reset
Service Suggestions
If the machine continues to function after
G2 has been displayed, this may have
been caused by a signicant external
electromagnetic disturbance.
1. Check that the settings and parameters
(see pages 29 - 30) are correct (they
may have returned to their defaults). If
the error persists, the board must be
replaced.
Function Board (EB1) Alarm Codes (Continues)
General alarms
Alarm on Function Board - FLASHING YELLOW + RED LEDS
Alarm code
-------------------------Description
G3
-----------------------
MAIN FUSE
FAILURE
G4
----------------------BATTERY LOW
VOLTAGE
G5
-----------------------
BATTERY
OVERVOLTAGE
No.
Flashes
Meaning Condition Effect
3 Blown F2 fuse. Blown F2 fuse. Function block.
4 Undervoltage. The battery voltage
5 Excessive
battery voltage.
remains below 18.4V
for over 10 seconds (for
WET CELL batteries,
19.6V for GEL-AGM
batteries).
Battery voltage over 32V. Function block.
Function block.
Control System 22Service Manual – SC500
Service Suggestions
F2 is a safety fuse primarily included to
prevent a short circuit or serious damage
to the board causing currents such as to
melt cables and/or cause smoke or re. If
F2 has blown, this is usually indicative of
serious damage to the board.
1. Removing the cover should allow
you to understand the extent of the
damage, but the solution in any case
should be to replace the board.
2. Try replacing fuse F2 only if there is no
clear damage to the board and wiring.
3. Ensure you tighten the fuse contacts
correctly.
1. Check the battery voltage under
no-load conditions and under load.
Replace the faulty battery/batteries if
necessary.
2. Recharge the batteries by performing a
complete charging cycle.
Check the voltage of the installed batteries
and that the terminals are correctly
tightened.
G6
----------------------HARDWARE
FAILURE
G7
----------------------HARDWARE
FAILURE
6 Serial
communication
error with
dashboard
instrument board.
7 General relay
fault.
No signal or error
in communications
decoding between the
Function Board (EB1)
and the Display Board
(EB2).
Relay closes or closed at
start-up.
No block.
Function block.
1. Check the 5 cables from the 6-way
dashboard instrument board connector
to connector J3 pins 1, 2, 3, 4.
2. If there is continuity, the dashboard
instrument board must be replaced.
Replace the board.
Function Board (EB1) Alarm Codes (Continues)
Function electronic board alarms
Alarm on Function Board - FLASHING RED LED
Alarm code
-------------------------Description
F2
----------------------BRUSH MOTOR
OVERLOAD
F3
-----------------------
VACUUM
MOTOR
OVERLOAD
F4
-----------------------
DECK
ACTUATOR
FAILURE
F5
----------------------HARDWARE
FAILURE
F6
-----------------------
PRESSURE
GAUGE
FAILURE
F7
----------------------OVERHEATING
F8
----------------------BRUSH MOTOR
FAILURE
F9
-----------------------
VACUUM
MOTOR
FAILURE
No.
ashes
board
Meaning Condition Effect
on
2 BRUSH motor
amperometric
protection.
3 VACUUM
SYSTEM
amperometric
protection.
4 DECK
ACTUATOR
overcurrent.
5 Short circuit on
the vacuum or
brush motor drive
MOSFET.
6 PRESSURE
GAUGE
FAILURE
(Not used)
7 Motor drive
section thermal
cut-out.
8 Brush motor
output short
circuit.
9 Vacuum
motor output
overcurrent.
The motor current is
greater than the value of
the parameter (see page
29 - 30) VS1
The current draw of the
vacuum motor is greater
than 30A for over 10
seconds.
Current greater than 4A
detected for more than 1
second.
MOSFET short circuit. Function block.
- -
The heatsink on the
board has reached a
temperature of 194°F
(90°C).
I > 150A for 20µsec. Function block.
I > 150A for 20µsec. Function block.
Brush motor
output stop.
Vacuum system
block.
Brush function
block.
Function block.
Control System 23Service Manual – SC500
Service Suggestions
Check the current draw of the brush motor.
It should remain below the value set in the
parameter “VS1” during operation.
1. Check for any debris in the vacuum
motor.
2. Check that the motor rotor turns freely.
3. Replace the vacuum motor if
necessary.
1. Check that there is no friction on
the brush deck linkage; lubricate if
necessary.
2. Check that the actuator and deck
travel is not blocked by mechanical
obstructions.
3. If the problem persists, replace the
actuator.
1. Check that there are no short circuits in
the motor wiring.
2. Replace the board.
-
Check the vacuum and brush motor power
draw and that the openings of the electrical compartment are not blocked.
Check for short circuits in the wiring or
motor.
Check for short circuits in the wiring or
motor.
Function Board (EB1) Alarm Codes (Continues)
Drive system alarms
Alarm on Function Board - FLASHING YELLOW LED
Alarm code
-------------------------Description
T2
-----------------------
DRIVE MOTOR
OVERLOAD
T3
----------------------RELEASE THE
PADDLE !
T4
----------------------PADDLE INPUT
FAILURE
T5
----------------------HARDWARE
FAILURE
No.
ashes
board
Meaning Condition
on
2 Amperometric
protection
intervention.
3 Paddle not in rest
position when
board is turned
on.
4 Incorrect voltage
measured at
the paddle
potentiometer
input.
5 Drive system
power section
damage
Drive motor current
draw greater than the
parameter (see page 29 -
30) “INOM” for more than
the parameter (see page
29 - 30) “TMAX”.
Voltage on J1.2 of board
EB2 out of range 1.29V
- 1.49V with respect to
- BAT.
Voltage on J1.2 of board
EB2 above 3V.
MOSFET short circuit.
Control System 24Service Manual – SC500
Effect
Drive blocked. Check the current draw of the drive motor
Drive blocked. Check that the paddle moves correctly,
Drive blocked. 1. Check the connection of the
Drive blocked. 1. Check that the cables of the gear
Service Suggestions
(this should be around 6-8amps without
load and remain below 10-12amps during
operation).
lubricating if necessary; check the linkage
and potentiometer.
potentiometer to the board.
2. Replace the potentiometer.
3. Replace the display board.
motor are not short circuited (try
disconnecting the connectors from
contacts M1 and M2) and try starting
the machine and pressing the pedal
again
2. If the alarm persists, replace the board
T6
-----------------------
DRIVE MOTOR
FAILURE
T7
----------------------OVERHEATING
6 Overcurrent
(motor D.C.)
7 Drive motor drive
section thermal
cut-out.
Drive motor current
draw greater than 1.5
times the value of the
parameter (see page 29 -
30) “IMAX”.
The heatsink on the
board has reached a
temperature of 194°F
(90°C).
Drive blocked. 1. Check that the gear motor cables are
not short circuited
2. Check that the motor of the gear
motor unit is not short circuited (the
impedance of the motor should be
around 0.6 – 0.8 Ohm)
3. If necessary, replace the gear motor
unit motor
Drive blocked. 1. Check the drive motor power draw
and that the openings of the electrical
compartment are not blocked.
2. If everything is within normal
parameters, this may simply have been
caused by extreme working conditions
such as: Ambient temperature over
86°F (>30°C), sloping working sections.
Simply leave the system to cool and
turn the machine back on.
All alarms of the drive system operate by cutting the power supply to the gear motor unit motor until the KEY input is reset
(with the exception of alarm T3 which is reset as soon as the input voltage of the paddle potentiometer returns within the val-
ues corresponding to “machine stopped”). In case of simultaneous errors, the one with greater priority is shown rst (priority
order is opposite to the number of ashes).
Function Board (EB1) Alarm Codes (Continues)
On-board Battery Charger Alarms
Alarm code
-------------------------Description
C1
----------------------CHARGER
COMMUNICATION
C2
-----------------------
BATTERY
OVERVOLTAGE
C4
----------------------CHARGING
TIME I EXPIRED
C5
----------------------CHARGING
TIME II
EXPIRED
C6
----------------------CHARGER
FAULT
Meaning Condition
Communication
problem between
the battery
charger and
function board.
Battery
overvoltage.
Charging phase I
expired.
Charging phase
II expired.
Battery charger
internal short
circuit.
No signal from battery
charger via gate J4.4 for
over 3 seconds.
Battery voltage over 32V.
Battery excessively
discharged or at end of
life cycle.
Battery excessively
discharged or at end of
life cycle.
Battery charger internal
short circuit.
Effect
The battery charger
is performing the
standard recharging
cycle for generic
GEL/AGM batteries.
Battery charger
block.
Battery charger
block.
Battery charger
block.
Battery charger
block.
Control System 25Service Manual – SC500
Service Suggestions
Check the wiring between the battery charger
and function board.
1. Check the connections of the batteries and
the voltage of the installed batteries.
2. Disconnect and reconnect the battery
charger.
If the problem persists, replace the batteries.
If the problem persists, replace the batteries.
Replace the battery charger.
Control System 26Service Manual – SC500
Black-box: Recording of Alarms, Parameters (see pages 29-30), Partial Operating Time
Counter
The alarms activated during normal machine operation are stored and can be read in the corresponding log
(Alarm Log Screen).
Display, Main Screen
1. Insert the Super User (yellow) key in place of the operator (grey) key (Figure 6) to access the main
screen (Figure 7) of the multifunction display.
Figure 6
2. Press One-Touch push-button to change the machine settings (see Machine Settings Screen
section).
3. Press the brush release button or REV button to check for any stored machine alarms (see
Alarms Log Screen section).
4. Press the “hare” button to check the machine’s hours of operation (see Operating Time Counter
Screen section).
5. Press the “tortoise” button to exit service mode and return to operator mode.
Figure 7
Control System 27Service Manual – SC500
Display, Alarms Log Screen
The alarms log screen (Figure 8) function allows you to check any alarms stored on the machine.
To return to the main screen (Figure 6), press the One-Touch button repeatedly.
Figure 8
Each alarm (See table of alarms in the Function Board Alarm Codes section) is stored along with the working
hour (machine operating time counter) at which it occurred and all alarms are recorded in the order in which
they occurred, from the most recent to the oldest.
The memory holds up to 20 alarm records, after which the oldest are overwritten when new alarms occur.
Improper uses of the batteries or battery charger are also recorded, as in the following table:
On-board Battery Charger Alarms
Alarm code
-------------------------Description
GB-N
-----------------------
CONTINUOUS
LOW BATTERY
VOLTAGE
GC
----------------------CHARGER
DISCONN
BEFORE END
CYCLE
GD-N
----------------------CHARGING
TIME LESS
THAN 4 HOURS
Meaning Condition
Time of
continuous use
with discharged
batteries
Charging cycle
interrupted
before
completion
Charging phase
duration
“N” is the number of hours from key on to off
when the battery level is below 20.4V for WET
CELL (21.6 for AGM) batteries. This event is not
recorded if the usage time is below 10 minutes.
Disconnection of battery charger before stage IV
= battery symbol with 3 segments lit steadily.
N = Number of hours from battery charger
connection to completion of PHASE II (red LED
on) if < 4
Effect
Incorrect use by customer. Risk of reduced
battery life.
Incorrect use by customer. Risk of reduced
battery life.
Incorrect use by customer. Risk of reduced
battery life.
Control System 28Service Manual – SC500
Display, Machine Settings Screen
The machine settings screen (Figure 9) functions allow you to customise some parameters described in the
following table of modiable parameters.
1. Press the “hare” button to increase the value of the current parameter.
2. Press the “tortoise” button to decrease the value of the current parameter.
3. Press the One-Touch button to move to the next parameter.
4. To return to the main screen (Figure 6), press the brush release button .
Figure 9
MODIFIABLE PARAMETERS
Code Description Min. Value Factory Setting Max. Value
CHM1 Detergent concentration level 1
CHM2 Detergent concentration level 2 1:500 (0.25 %) 1:125 (0.80 %) 1:33 (3 %)
P1/P3
P2/P3
P3 Level 3 solution ow rate
P4 Level 4 solution ow enable OFF OFF ON
SPT EcoFlex function timer 0 (disabled) 60 sec. 300 sec.
XPRES Brush deck extra pressure enable OFF ON ON
FVMIN Minimum forward speed 0 % 25 % 100 %
FVMAX Maximum forward speed 10 % 100 % 100 %
RVMAX Maximum reverse speed 10 % 30 % 50 %
BAT Installed battery type 0 1 5
TOFF Automatic shut-off time 0 (disabled) 300 sec. 600 sec.
BRGH Display contrast 5 20 50
VRID Vacuum power in silent mode 1 1 5
RPM (*) Reduced brush rpm activation threshold 5 9 20
RESET Restore factory settings for all parameters OFF OFF ON
Level 1 solution ow rate in relation to level 3
(see section “System for Flow Rate Regulation as Function of
Speed”)
Level 2 solution ow rate in relation to level 3
(see section “System for Flow Rate Regulation as Function of
Speed”)
DISC 1.0 cl/m 3.0 cl/m 5.0 cl/m
REV 1.0 cl/m 1.5 cl/m 5.0 cl/m
1:500 (0.25 %) 1:500 (0.25 %) 1:33 (3 %)
0 % 25 % 100 %
0 % 50 % 100 %
(*) Increase the value of this parameter to reduce the brush motor speed in a wider range of applications and
vice versa
Control System 29Service Manual – SC500
Display, Machine Settings Screen (Continues)
The following parameters are displayed only when, on reaching the last parameter RESET, the One-Touch
button is pressed together with the EcoFlex and vacuum buttons.
If the One-Touch button is not pressed, the system will return to the rst parameter CHM1.
HIDDEN PARAMETERS
Code Description
TSERV Service advisory timer
AR Maximum acceleration ramp (sec.) 0.5 sec. 1.5 sec. 5 sec.
DR
IR
VS1 Brush 1 motor protection threshold 20A 30A 50A
VS2 Brush 2 motor protection threshold 20A 40A 50A
VDEAD Paddle potentiometer dead zone 0.0V 0.1V 1.0V
INOM Nominal drive current 10A 15A 15A
IMAX Maximum drive current 10A 45A 45A
TMAX Protection trip time for IMAX 0 sec. 12 sec. 60 sec.
Maximum deceleration
ramp (sec.)
Maximum deceleration ramp in
reverse (sec.)
DISC 0.5 sec. 1.5 sec. 8 sec.
REV 0.5 sec. 2.5 sec. 8 sec.
Min.
Value
0.5 sec. 0.5 sec. 5 sec.
Factory Setting
0 0 1000
Max.
Value
Meaning
Set to a value X greater than 0 if you wish the
“Service Advisory” icon to be displayed every
X hours of machine running time (according
to the main operating time counter). To
reset the hour counter for the icon display
countdown (until the next service advisory),
press the BURST and vacuum buttons for 10
seconds with the display on the “SERVICE
MENU” page.
Increase to obtain a less abrupt response
when accelerating, and vice versa.
Increase to obtain a less abrupt response
when decelerating, and vice versa.
WARNING: increasing this value increases
the braking distance.
This is the maximum current which can be
supplied to the disc brush deck.
WARNING: increasing this value increases
the risk of the motors overheating.
This is the maximum current which can be
supplied to the disc brush deck.
WARNING: increasing this value increases
the risk of the motors overheating.
This is the maximum current which can be
supplied to the cylindrical brush deck.
WARNING: increasing this value increases
the risk of the motors overheating.
Increase if the alarm T3 appears in the rest
position and it is not possible to adjust the
system’s mechanics. (Speed regulation will,
however, be more difcult to modulate)
This is the maximum continuous current
which can be supplied to the electric wheel
drive unit.
WARNING: increasing this value increases
the risk of the motor overheating.
This is the maximum instantaneous current
which can be supplied to the electric wheel
drive unit.
WARNING: increasing this value increases
the risk of the motor overheating.
This is the reaction time of the electric wheel
drive unit protection device when overloaded:
this parameter is used in conjunction
with IMAX to obtain the most appropriate
response curve for the overload protection
motor actuation system.
WARNING: increasing this value increases
the risk of the motor overheating.
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