![background image](http://html2.mh-extra.com/html/taylor-dunn/b0-t48-48-taylor-truck-t48/b0-t48-48-taylor-truck-t48_operation-manual_3767363128.webp)
Electrical Troubleshooting
Section 4
Page 26
Status LED Code Table
The status LED on the Sevcon power unit logic card can be used to give you an idea of where
the problem may be. It is recommended that you complete the troubleshooting procedure to
confirm failure of any component.
LED Status Light
Number
of
Flashes
Fault Description
Possible Cause
Actions
1
Personality fault
See dealer
-
2
Sequence fault
Startup switches not
operated in the correct
order
Reset the switches
and start over (See
Section 2)
3
MOSFET or motor
short
Burned Motor
Repair as required
4
Contactor fault or
open motor
Contactor Failure
Open Circuit
Check contactor and
motor
5
Not used
-
-
6
Accelerator module
fault
FS-1 Micro Switch Failure
Faulty Wiring
Accelerator Failure
Check accelerator
module inputs
7
Discharged battery
Discharged battery or
loose connections
Check battery and
connections to
controller
8
Controller
overheated
Overloaded truck
Wait for controller to
cool
9
ISO coil shorted
ISO Coil Short Circuit
Check coil continuity
and replace as
required
12
Can Buss Fault
Fault in the Wiring to the
dash display or a faulty
Dash Display
NOTE: The Dash Display is
Optional
Check wiring. If
vehicle is not
equipped with a
dash display, check
for debris in the 6-
pin connector on the
logic card
Summary of Contents for B0-T48-48 Taylor Truck T48
Page 2: ......
Page 4: ......
Page 10: ......
Page 11: ...INTRODUCTION Operator and Maintenance Manual...
Page 16: ...INTRODUCTION PAGE vi MB T48 01...
Page 17: ...SECTION 1 Vehicle Description and Specifications...
Page 23: ...SECTION 2 Safety Rules and Operational Information...
Page 37: ...SECTION 3 Maintenance and Service Procedures...
Page 43: ...SECTION 3 PAGE 7 MB T48 01 Hydraulic Disc Brakes...
Page 52: ...SECTION 3 PAGE 16 MB T48 01 PARKING BRAKE...
Page 54: ...SECTION 3 PAGE 18 MB T48 01 FRONT AXLE AND YOKES...
Page 70: ...SECTION 3 PAGE 34 MB T48 01...
Page 71: ...SECTION 3 PAGE 35 MB T48 01 DRIVE SERVICE...
Page 87: ...SECTION 3 PAGE 51 MB T48 01 SPEED CONTROLLER...
Page 89: ...SECTION 3 PAGE 53 MB T48 01 DRIVE MOTOR...
Page 97: ...SECTION 3 PAGE 61 MB T48 01 BATTERY...
Page 102: ...SECTION 3 PAGE 66 MB T48 01...
Page 150: ...Electrical Troubleshooting Section 4 Page 37...
Page 154: ...SECTION 5 PAGE 4 MB T48 01 1 2 3 4 STEERING SLEEVE ASSEMBLY 5 1 5...
Page 156: ...SECTION 5 PAGE 6 MB T48 01 FRONT SUSPENSION 1 5 6 3 4 2 5...
Page 158: ...SECTION 5 PAGE 8 MB T48 01 1 2 3 4 DRAG LINK 2 5 1 5...
Page 160: ...SECTION 5 PAGE 10 MB T48 01 STEERING GEAR 1 2 3 4 5 6 11 12 13 15 17 16 14 10 9 8 7...
Page 162: ...SECTION 5 PAGE 12 MB T48 01 STEERING COLUMN ASSEMBLY 1 2 3 4 5 6 7 9 8 12 10 11 13 14...
Page 164: ...SECTION 5 PAGE 14 MB T48 01 MASTER CYLINDER BRAKE LINE HARDWARE AND FRONT BRAKE ASSSEMBLY...
Page 166: ...SECTION 5 PAGE 16 MB T48 01 MASTER CYLINDER 2 3 4 1 5 6 7 8...
Page 168: ...SECTION 5 PAGE 18 MB T48 01 HYDRAULIC DISC BRAKES 1 2 8 6 5 4 3 2 1 1 1 1 3 7 1 0 9 14 1 5 1 6...
Page 170: ...SECTION 5 PAGE 20 MB T48 01 PARK BRAKE LINKAGE 9 8 6 1 1 7 1 2 3 1 1 1 0 4 5...
Page 172: ...SECTION 5 PAGE 22 MB T48 01 1 0 9 8 1 1 7 6 3 2 1 6 4 5 MOTOR...
Page 178: ...SECTION 5 PAGE 28 MB T48 01 CONTROL PANEL 1 2 4 5 6 7 3 8...
Page 180: ...SECTION 5 PAGE 30 MB T48 01 1 2 4 6 8 ELECTRICAL COMPONENTS TYPICAL 10 3 5 9 7 11...
Page 186: ...SECTION 5 PAGE 36 MB T48 01 ACCELERATOR MODULE 1 8 2 3 4 5 6 7...
Page 196: ...SECTION 5 PAGE 46 MB T48 01 1 2 4 3 5 6 DECALS 7...
Page 198: ...SECTION 5 PAGE 48 MB T48 01 HITCH OPTIONS...
Page 200: ...SECTION 5 PAGE 50 MB T48 01...
Page 201: ...SECTION 5A Illustrated Parts List Taylor Truck...
Page 202: ...SECTION 5A PAGE 2 MB T48 01 STANDARD PARTS...
Page 204: ...SECTION 5A PAGE 4 MB T48 01 OPTIONAL PARTS...
Page 206: ...SECTION 5A PAGE 6 MB T48 01 OPTIONAL PARTS...
Page 208: ...SECTION 5A PAGE 8 MB T48 01 OPTIONAL PARTS...
Page 210: ...SECTION 5A PAGE 10 MB T48 01 TOP COVER OPTION PARTS...
Page 212: ...SECTION 5A PAGE 12 MB T48 01 DOOR OPTIONS...
Page 214: ...SECTION 5A PAGE 14 MB T48 01 DECKBOARD OPTIONS...
Page 216: ...SECTION 5A PAGE 16 MB T48 01 BOX WITH DOORS OPTIONS...
Page 218: ...SECTION 5A PAGE 18 MB T48 01 STAKE SIDE OPTIONS...
Page 220: ...SECTION 5A PAGE 20 MB T48 01...
Page 221: ...SECTION 5B Illustrated Parts List ET 3000...
Page 222: ...SECTION 5B PAGE 2 MB T48 01 1 2 7 8 3 4 5 5a 9 11 12 13 14 16 10 STANDARD PARTS 6 18 17 15...
Page 224: ...SECTION 5B PAGE 4 MB T48 01 STANDARD PARTS 3 4 5 6 1 2 Door Latch 9 8 7...
Page 230: ...SECTION 5B PAGE 10 MB T48 01 BOX WITH DOORS OPTIONS...
Page 232: ...SECTION 5B PAGE 12 MB T48 01...
Page 233: ...APPENDIX A Special Tools...
Page 235: ...APPENDIX B...
Page 239: ......