Nobles EZ Rider HP Operating and installation instructions

EZ Rider HPt
330825
Rev. 00
Service Information
*330825*
Patents Pending
The safe scrubbing alternative t

This manual provides service information for the NOBLES Model EZ Rider HP.
This machine will provide excellent service. However, the best results will be obtained at minimum
costs if:
DThe machine is operated with reasonable care.
DThe machine is maintained regularly -- per the maintenance instructions provided.
DThe machine is maintained with NOBLES supplied or equivalent parts.
Manual Number -- 330825
Revision: 00
Published: 6--05
FaSTtand “The safe scrubbing alternative
t ”are United States trademarks of Tennant Company.
Copyright E2005 NOBLES, Printed in U.S.A.

BEFORE CONDUCTING TESTS:
DURING TESTS:
ELECTRICAL
Troubleshooting Information
* Read and Follow ALL Safety Warnings and Precautions in
Operator's Manual
* Always use an ESD (Electrostatic Discharge) strap when
working near the Control Board
* Be cautious when working near Control Board – Battery
voltage is always present, even with Key OFF
* Always unplug Battery Connector when removing or
replacing components
* Call Technical Services if Diagnostic Time Exceeds One Hour
With Unknown Cause or Course of Action
NOTE:Troubleshooting charts may be shown with optional equipment. The optional equipment may not
be specified in these charts. Some machines may not be equipped with all components shown.
2005.05.11 EZHPETI REV 00
EZ Rider HP

Table of Contents
4Electrical Schematic Addendum for Models with FaST System
13 - 14Wire Harness Drawings Addendum for Models with FaST System
68Specifications (Chart # 2)
3Electrical Schematic for Models with On-board Charger
37 - 41Scrub Head Actuator Removal & Installation Instructions
46 - 59Machine Controller (Trio) Information
69 - 70On-board Charger Setup Instructions
67Test Points (Chart # 1)
61 - 66Troubleshooting Flowcharts
61 - 68FaST System Information
59 - 60Battery Discharge Indicator (BDI) Information
42Horn, Back-up Alarm, & Hazard Light Systems
43 - 44Solution Flow Control
45Fuses & Circuit Breakers
46 - 55Troubleshooting Flowcharts
56Pin Configurations
57Pin Inputs & Outputs
31Extended Scrub (ES) System
32 - 33FaST System
34Signal Resistor (FaST Only)
35Squeegee Actuator
36Scrub Head Actuator
58Battery Cable Connections
29 - 30Recovery Tank Level Switches
28Vacuum Fan Motor
27Scrub Head Configuration Connection
24 - 26Scrub Mode Switch
22 - 23Scrub & Brush Pressure Switches
19Emergency Stop Switch
21Scrub Brush Motors
20Propel System
16 - 18Key Switch & Seat Switch
16 - 44Troubleshooting Sub-system Diagrams (Breakout Schematics)
1Electrical Schematic (00000000-10143032)
2Electrical Schematic (10143033- )
15Commonly Used Electrical Symbols & Terms
9 - 12Wire Harness Drawings (10143033- )
5 - 8Wire Harness Drawings (00000000-10143032)
DESCRIPTION PAGE(S)

EZ Rider HP Electrical Schematic (00000000--10143032)
41/GRY
N
O
T U
S
ED
NOT USED
SEAT
SWITCH
FAULT
1

EZ Rider HP Electrical Schematic (10143033-- )
41/GRY
NOT USED
NOT USED
SEAT SWITCH FAULT
2

(01--05)
ON--BOARD
CHARGER
(OPTION)
FU-6
FUSE #393149
FUSE #393149
FUSE #393149
FUSE #393149
FUSE #393149
FUSE #392895
DIAGNOSTIC LED FAULT CODES
I
DIAGNOSTIC MESSAGE:
NUMBER OF BARS FLASHING
LOW BATTERY VOLTAGE
TRACTION MOTOR FAULT
BRUSH MOTOR FAULT
ONE FLASH = SCRUB HEAD ACTUATOR FAULT
TWO FLASH = SQUEEGEE ACTUATOR FAULT
1=
2=
3=
4=
5= VACUUM MOTOR FAULT
6= SEAT SWITCH OPEN
7= ONE FLASH = THROTTLE FAULT
TWO FLASH = IMPUT SWITCH FAULT
8= CONTROL SYSTEM FAULT
9= ONE FLASH = RECOVERY TANK FULL SENSOR FAULT
TWO FLASH = BACK UP ALAM FAULT
FOUR FLASH = ES PUMP FAULT
FIVE FLASH = HOUR METER FAULT
HIGH BATTERY VOLTAGE
RIPPLE UP/ON = PEDAL NOT IN NEUTRAL
THREE FLASH = SOLUTION VALVE FAULT
10 =
EZ Rider HP Electrical Schematic for Models with Optional On-board Charger
3

EZ Rider HP Electrical Schematic Addendum for Models with FaST System
4

EZ Rider HP Wire Harnesses Group (00000000--10143032) Page 1 of 4
1
2
22 2
5

EZ Rider HP Wire Harnesses Group (00000000--10143032) Page 2 of 4
1
6

EZ Rider HP Wire Harnesses Group (00000000--10143032) Page 3 of 4
1
7

EZ Rider HP Wire Harnesses Group (00000000--10143032) Page 4 of 4
3
4
)
8

EZ Rider HP Wire Harnesses Group (10143033-- ) Page 1 of 4
1
2222
9

EZ Rider HP Wire Harnesses Group (10143033-- ) Page 2 of 4
1
10

EZ Rider HP Wire Harnesses Group (10143033-- ) Page 3 of 4
1
11

EZ Rider HP Wire Harnesses Group (10143033-- ) Page 4 of 4
3
4
5
12

1
2
EZ Rider HP Wire Harnesses Group Addendum for Models with FaST System Page 1 of 2
13

3
EZ Rider HP Wire Harnesses Group Addendum for Models with FaST System Page 2of 2
14

Commonly Used Electrical Symbols & Terms
+-
Battery
Fuse
Normally Open
Switch
Motor Solenoid
Valve
Horn or Alarm
Wires Connected
Together
Wiring Color Codes
(Unless otherwise marked)
0
1
2
3
4
5
6
7
8
9
Tan
Pink
Brown
Orange
Yellow
Green
Blue
Purple
Gray
White
Right Most Digit
of Wire Number Color of Wire
Example of Wiring Numbers & Colors:
1 RED 25 7 13 BLK
Normally Closed
Limit Switch
Component
is Energized
Plug-in
Connection
NOTE: The term “NORMALLY” refers to the component’s “at rest” or “de-energized” position
Diode
Wires Not
Connected
Together
Terms & Abbreviations
BDI – Battery Discharge Indicator
LED – Light Emitting Diode
PWM (Pulse Width Modulation) – A method of using controlled on/off times to regulate the voltage and current
supplied to an electrical device
Movement from
Normal Position
Component in Position
Other than Normal
Normally Open
Push-Button Switch
Normally Closed
Push-Button Switch
Chassis Ground
(Static Drain)
Battery Positive
or Positive Output
Battery Negative
or Logic Ground
Output that can
Change Polarity
Normally Closed
Seat Switch
Normally Open
Liquid Level Switch
LED
Hour Meter
Potentiometer
(Variable Resistor)
Lamp
(Light Bulb)
M2A
Normally Open
Pressure Switch
Circuit Breaker
Relay Coil with spike
suppression diode
Fixed value
resistor
Relay Contacts
Open Closed
i
Information
!
Warning!
Information
Box
Assembly
15

1 RED 13 BLK
EZ Rider HP - Key OFF
+-
6 VDC +- 6 VDC +- 6 VDC +- 6 VDC
KEYSWITCH
Wiring Color Codes
(Unless otherwise marked)
0
1
2
3
4
5
6
7
8
9
Tan
Pink
Brown
Orange
Yellow
Green
Blue
Purple
Gray
White
Right Most Digit
of Wire Number Color of Wire
+-
6 VDC +- 6 VDC
FU-5
10 A
BDI
STATIC DRAIN
(Connected to metal
frame of machine)
1
3
2
4
3
3
3
237
7
22
SWITCHED
GROUND
3
MACHINE CONTROLLER
FU-1
125 A
PIN P3-8
PIN P3-6
PIN P3-19
NEG -
PIN P3-18
13 BLK1 RED
POS
+
BATTERY VOLTAGE
PRESENT AT ALL TIMES
!
Be cautious when working near Control Board –
Battery voltage is always present, even
with Key OFF
!
16