JLG 1250AJP Model Articulating Boom Lift Troubleshooting Manual

Download Ebook

JLG 1250AJP Model Articulating Boom Lift Troubleshooting Manual

This manual PDF download describes procedures for troubleshooting for the JLG 1250AJP Model Articulating Boom Lift.

APPLICABLE MODELS :

JLG Articulating Boom Lift 1250AJP

TABLE OF CONTENTS :

Section A. Introduction
Section B. Troubleshooting Safety Precautions
Section 1. Fault Dictionary and Selected Troubleshooting
Section 2. Electrical Reference
Section 3. Hydraulic Reference
Section 4. JLG Analyzer
Section 5. Calibrations
Section 6. Multimeter Basics

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : 3128411
Total Pages : 326

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

This page sometime can be found use following keyword : service manual, repair manual, workshop manual, technical manual, owner manual, operating manual, maintenance manual, parts manual. Please make sure you read and understand the title of this manual before decided to buy.

Section A. Introduction
A.1 How To Use This Manual
A.2 Visual Inspection
A.3 Reading Fault Codes
A.4 Connector References
A.5 Ground Reference
A.6 Control Module Power
A.7 Critical Sensors
Tower Angle Sensors
Tower Cylinder Angle Sensor
Main Angle Sensors
Tower Length Sensors
A.8 Service Fault Code Cross References

Section B. Troubleshooting Safety Precautions
B.1 General
B.2 Hydraulic System Safety
B.3 Troubleshooting Safety

Section 1. Fault Dictionary and Selected Troubleshooting
1.1 AIR FILTER BYPASSED
1.2 ALTERNATOR POWER SHORT TO GROUND
1.3 AUX POWER OPEN CIRCUIT
1.4 AUX POWER SHORT TO BATTERY
1.5 AUX POWER SHORT TO GROUND
1.6 AXLE EXT STB OR OC
1.7 AXLE EXT STG
1.8 AXLE RET STB OR OC
1.9 AXLE RET STG
1.10 BACKUP BLAM COMMUNICATIONS ACTIVE
1.11 BASKET DOWN OVERRIDE OPEN CIRCUIT
1.12 BASKET DOWN OVERRIDE SHORT TO BATTERY
1.13 BASKET DOWN OVERRIDE SHORT TO GROUND
1.14 BASKET DOWN SHORT TO BATTERY OR OPEN CIRCUIT
1.15 BASKET DOWN SHORT TO GROUND
1.16 BASKET LEFT OPEN CIRCUIT
1.17 BASKET LEFT SHORT TO BATTERY
1.18 BASKET LEFT SHORT TO GROUND
1.19 BASKET LEVELING CRACKPOINT DOWN NOT CALIBRATED
1.20 BASKET LEVELING CRACKPOINT UP NOT CALIBRATED
1.21 BASKET LEVELING OVERRIDE OFF
1.22 BASKET LEVELING OVERRIDE ON
1.23 BASKET LEVELING SENSOR 1 SHORT TO BATTERY
1.24 BASKET LEVELING SENSOR 1 SHORT TO GROUND OR OPEN CIRCUIT
1.25 BASKET LEVELING SENSOR 2 SHORT TO BATTERY
1.26 BASKET LEVELING SENSOR 2 SHORT TO GROUND OR OPEN CIRCUIT
1.27 BASKET LEVELING SYSTEM TIMEOUT
1.28 BASKET LEVELING TILT REFERENCE 1 OUT OF RANGE
1.29 BASKET LEVELING TILT REFERENCE 2 OUT OF RANGE
1.30 BASKET LEVELING TILT SENSOR 1 COMMUNICATIONS LOST
1.31 BASKET LEVELING TILT SENSOR 2 COMMUNICATIONS LOST
1.32 BASKET LEVELING TILT SENSOR DIFFERENCE TOO GREAT
1.33 BASKET RIGHT OPEN CIRCUIT
1.34 BASKET RIGHT SHORT TO BATTERY
1.35 BASKET RIGHT SHORT TO GROUND
1.36 BASKET UP OVERRIDE OPEN CIRCUIT
1.37 BASKET UP OVERRIDE SHORT TO BATTERY
1.38 BASKET UP OVERRIDE SHORT TO GROUND
1.39 BASKET UP SHORT TO BATTERY OR OPEN CIRCUIT
1.40 BASKET UP SHORT TO GROUND
1.41 BATTERY LOW
1.42 BATTERY TOO HIGH – SYSTEM SHUT DOWN
1.43 BATTERY TOO LOW – SYSTEM SHUT DOWN
1.44 BLAM BACKUP COMMUNICATIONS LINK FAULTY
1.45 BLAM BACKUP COMMUNICATIONS LOST – HYDRAULICS SUSPENDED
1.46 BLAM CAN COMMUNICATIONS LOST
1.47 BLAM HIGH RES A/D FAILURE
1.48 BLAM SENSOR SUPPLY OUT OF RANGE HIGH
1.49 BLAM SENSOR SUPPLY OUT OF RANGE LOW
1.50 BOOM ANGLE SENSOR #1 COMMUNICATIONS FAULT
1.51 BOOM ANGLE SENSOR #2 COMMUNICATIONS FAULT
1.52 BOOM LENGTH SENSOR #1 OUT OF RANGE HIGH
1.53 BOOM LENGTH SENSOR #1 OUT OF RANGE LOW
1.54 BOOM LENGTH SENSOR #2 OUT OF RANGE HIGH
1.55 BOOM LENGTH SENSOR #2 OUT OF RANGE LOW
1.56 BOOM PREVENTED – DRIVE SELECTED
1.57 BOOM SENSORS NOT CALIBRATED
1.58 CAN DONGLE ATTACHED – HYDRAULICS NOT RESTRICTED
1.59 CHASSIS CAN COMMUNICATIONS LOST
1.60 CHASSIS SENSOR SUPPLY OUT OF RANGE HIGH
1.61 CHASSIS SENSOR SUPPLY OUT OF RANGE LOW
1.62 CHASSIS TILT SENSOR GAIN OUT OF RANGE
1.63 CHASSIS TILT SENSOR NOT CALIBRATED
1.64 CHASSIS TILT SENSOR NOT GAIN CALIBRATED
1.65 CHASSIS TILT SENSOR OUT OF RANGE
1.66 COLD START ADVANCE SOLENOID OPEN CIRCUIT
1.67 COLD START ADVANCE SOLENOID SHORT TO BATTERY
1.68 COLD START ADVANCE SOLENOID SHORT TO GROUND
1.69 COOLANT TEMPERATURE SHORT TO GROUND
1.70 CYL ANGLE SENSOR/SW DISAGREEMENT
1.71 CYLINDER LOAD PIN CAN COMMUNICATIONS LOST
1.72 D/S JOY. CENTER TAP BAD
1.73 D/S JOY. OUT OF RANGE HIGH
1.74 D/S JOY. OUT OF RANGE LOW
1.75 DCAP LEN SW DISAGREEMENT
1.76 DISCONNECT ANALYZER AND CYCLE EMS TO PERFORM BOOM RETRIEVAL
1.77 DRIVE & BOOM PREVENTED – PLATFORM OVERLOADED
1.78 DRIVE CRACKPOINTS NOT CALIBRATED
1.79 DRIVE LOCKED – JOYSTICK MOVED BEFORE FOOTSWITCH
1.80 DRIVE PREVENTED – ABOVE ELEVATION
1.81 DRIVE PREVENTED – BOOM SELECTED
1.82 DRIVE PREVENTED – TILTED & ABOVE ELEVATION
1.83 EEPROM FAILURE – CHECK ALL SETTINGS
1.84 ELECTRIC PUMP OPEN CIRCUIT
1.85 ELECTRIC PUMP SHORT TO BATTERY
1.86 ELECTRIC PUMP SHORT TO GROUND
1.87 ENGINE CONTROLLER CAN COMMUNICATIONS LOST
1.88 ENGINE SHUTDOWN – AXLE LOCKOUT VALVE FAULT
1.89 ENGINE TROUBLE CODE
1.90 ENVELOPE CONTROL DISABLED
1.91 ENVELOPE ENCROACHED – HYDRAULICS SUSPENDED
1.92 EVERYTHING OK
1.93 EXCESSIVE CAN BUS COMMUNICATION ERRORS
1.94 FOOTSWITCH SELECTED BEFORE START
1.95 FRONT LEFT WHEEL BLOCKED
1.96 FRONT LEFT WHEEL SENSOR FAULT – CHECK MOUNTING
1.97 FRONT LEFT WHEEL SENSOR OUT OF RANGE HIGH
1.98 FRONT LEFT WHEEL SENSOR OUT OF RANGE LOW
1.99 FRONT RIGHT WHEEL BLOCKED
1.100 FRONT RIGHT WHEEL SENSOR FAULT – CHECK MOUNTING
1.101 FRONT RIGHT WHEEL SENSOR OUT OF RANGE HIGH
1.102 FRONT RIGHT WHEEL SENSOR OUT OF RANGE LOW
1.103 FSW FAULTY
1.104 FSW INTERLOCK TRIPPED
1.105 FSW OPEN
1.106 FUEL SENSOR SHORT TO BATTERY
1.107 FUEL SENSOR SHORT TO GROUND
1.108 FUNCTIONS LOCKED OUT – BLAM MODULE SOFTWARE VERSION IMPROPER
1.109 FUNCTIONS LOCKED OUT – CHASSIS MODULE SOFTWARE VERSION IMPROPER
1.110 FUNCTIONS LOCKED OUT – PLATFORM MODULE SOFTWARE VERSION IMPROPER
1.111 GEN SET/WELDER OPEN CIRCUIT
1.112 GEN SET/WELDER SHORT TO BATTERY
1.113 GEN SET/WELDER SHORT TO GROUND
1.114 GENERATOR MOTION CUTOUT ACTIVE
1.115 GLOW PLUG OPEN CIRCUIT
1.116 GLOW PLUG SHORT TO BATTERY
1.117 GLOW PLUG SHORT TO GROUND
1.118 GROUND ALARM OPEN CIRCUIT
1.119 GROUND ALARM SHORT TO BATTERY
1.120 GROUND ALARM SHORT TO GROUND
1.121 GROUND MODULE CONSTANT DATA UPDATE REQUIRED
1.122 GROUND MODULE FAILURE: HWFS CODE 1
1.123 GROUND MODULE FAILURE:HIGH SIDE DRIVER CUTOUT FAULTY
1.124 GROUND SENSOR REF VOLTAGE OUT OF RANGE
1.125 HEAD TAIL LIGHT OPEN CIRCUIT
1.126 HEAD TAIL LIGHT SHORT TO BATTERY
1.127 HEAD TAIL LIGHT SHORT TO GROUND
1.128 HIGH ENGINE TEMP
1.129 HIGH RESOLUTION A2D FAILURE-INTERRUPT LOST
1.130 HIGH RESOLUTION A2D FAILURE-REINIT LIMIT
1.131 HORN OPEN CIRCUIT
1.132 HORN SHORT TO BATTERY
1.133 HORN SHORT TO GROUND
1.134 HOUR METER SHORT TO BATTERY
1.135 HOUR METER SHORT TO GROUND
1.136 INVALID ANGLE SENSOR #1 MODEL
1.137 INVALID ANGLE SENSOR #2 MODEL
1.138 JIB DOWN OPEN CIRCUIT
1.139 JIB DOWN SHORT TO BATTERY
1.140 JIB DOWN SHORT TO GROUND
1.141 JIB LEFT OPEN CIRCUIT
1.142 JIB LEFT SHORT TO BATTERY
1.143 JIB LEFT SHORT TO GROUND
1.144 JIB RIGHT OPEN CIRCUIT
1.145 JIB RIGHT SHORT TO BATTERY
1.146 JIB RIGHT SHORT TO GROUND
1.147 JIB SWING PREVENTED – IN 1000# MODE
1.148 JIB UP OPEN CIRCUIT
1.149 JIB UP SHORT TO BATTERY
1.150 JIB UP SHORT TO GROUND
1.151 KEYSWITCH FAULTY
1.152 L/S JOY. CENTER TAP BAD
1.153 L/S JOY. OUT OF RANGE HIGH
1.154 L/S JOY. OUT OF RANGE LOW
1.155 LEFT FORWARD DRIVE PUMP OPEN CIRCUIT
1.156 LEFT FORWARD DRIVE PUMP SHORT TO BATTERY
1.157 LEFT FORWARD DRIVE PUMP SHORT TO GROUND
1.158 LEFT REVERSE DRIVE PUMP OPEN CIRCUIT
1.159 LEFT REVERSE DRIVE PUMP SHORT TO BATTERY
1.160 LEFT REVERSE DRIVE PUMP SHORT TO GROUND
1.161 LENGTH SENSOR REF VOLTAGE HIGH
1.162 LENGTH SENSOR REF VOLTAGE LOW
1.163 LIFT UP & TELE OUT PREVENTED – PLATFORM OVERLOADED
1.164 LIFT/SWING LOCKED – JOYSTICK MOVED BEFORE FOOTSWITCH
1.165 LOAD PIN FORCE TOO LOW OVER MAIN ANGLE CHANGE
1.166 LOAD PIN FORCE TOO LOW OVER MAIN LENGTH TRANSITION
1.167 LOAD PIN FORCE TOO LOW OVER TOWER ANGLE CHANGE
1.168 LOAD PIN FORCE VALUES NOT CHANGING
1.169 LOAD PIN HORIZONTAL FORCE OUT OF RANGE
1.170 LOAD PIN NOT CALIBRATED
1.171 LOAD PIN SENSOR FAULT
1.172 LOAD PIN VERTICAL FORCE OUT OF RANGE
1.173 LOAD PIN/TOWER LIFT CYLINDER ANGLE DISAGREEMENT
1.174 LOAD SENSOR NOT CALIBRATED
1.175 LOAD SENSOR READING UNDER WEIGHT
1.176 LOW OIL PRESSURE
1.177 LT FNT STEER LT STB OR OC
1.178 LT FNT STEER LT STG
1.179 LT FNT STEER RT STB OR OC
1.180 LT FNT STEER RT STG
1.181 LT REAR STEER LT STB OR OC
1.182 LT REAR STEER LT STG
1.183 LT REAR STEER RT STB OR OC
1.184 LT REAR STEER RT STG
1.185 MAIN ANGL1 CAN COMMUNICATIONS LOST
1.186 MAIN ANGL1 INVALID ANGLE
1.187 MAIN ANGL2 CAN COMMUNICATIONS LOST
1.188 MAIN ANGL2 INVALID ANGLE
1.189 MAIN ANGLE MOVEMENT WITHOUT CMD
1.190 MAIN ANGLE SENSOR DISAGREEMENT
1.191 MAIN ANGLE SENSOR NOT DETECTING ANGLE CHANGE
1.192 MAIN BOOM TRN ANGLE SW/SENSOR DISAGREEMENT
1.193 MAIN DUMP OPEN CIRCUIT
1.194 MAIN DUMP SHORT TO BATTERY
1.195 MAIN DUMP SHORT TO GROUND
1.196 MAIN ENVELOPE ENCROACHED – HYDRAULICS SUSPENDED
1.197 MAIN IN OPEN CIRCUIT
1.198 MAIN IN SHORT TO BATTERY
1.199 MAIN IN SHORT TO GROUND
1.200 MAIN LIFT APU OPEN CIRCUIT
1.201 MAIN LIFT APU SHORT TO BATTERY
1.202 MAIN LIFT APU SHORT TO GROUND
1.203 MAIN LIFT ENABLE OPEN CIRCUIT
1.204 MAIN LIFT ENABLE SHORT TO BATTERY
1.205 MAIN LIFT ENABLE SHORT TO GROUND
1.206 MAIN LIFT PILOT PRESSURE FAILURE
1.207 MAIN LIFT PILOT PRESSURE SWITCH FAILURE
1.208 MAIN LIFT PVG VALVE COMMAND IMPROPER
1.209 MAIN LIFT PVG VALVE COMMUNICATIONS
1.210 MAIN LIFT PVG VALVE HIGH VOLTAGE
1.211 MAIN LIFT PVG VALVE INTERNAL FAULT
1.212 MAIN LIFT PVG VALVE LOCATION IMPROPER
1.213 MAIN LIFT PVG VALVE LOW VOLTAGE
1.214 MAIN LIFT PVG VALVE OBSTRUCTED
1.215 MAIN LIFT PVG VALVE PARAMETERS INCORRECT
1.216 MAIN LIFT PVG VALVE SENT UNRECOGNIZED FAULT
1.217 MAIN LIFT PVG VALVE SETUP FAULT
1.218 MAIN LIFT PVG VALVE STUCK EXTENDED
1.219 MAIN LIFT PVG VALVE STUCK NEUTRAL
1.220 MAIN LIFT PVG VALVE STUCK RETRACTED
1.221 MAIN LIFT PVG VALVE TIMEOUT
1.222 MAIN LIFT PVG VALVE WIRING INCORRECT
1.223 MAIN OUT OPEN CIRCUIT
1.224 MAIN OUT SHORT TO BATTERY
1.225 MAIN OUT SHORT TO GROUND
1.226 MAIN TELE FLOW CONTROL OPEN CIRCUIT
1.227 MAIN TELE FLOW CONTROL SHORT TO BATTERY
1.228 MAIN TELE FLOW CONTROL SHORT TO GROUND
1.229 MAIN TRN ANGLE SW FAILED
1.230 MAIN TRN LEN SW DISAGREEMENT
1.231 MODEL CHANGED – HYDRAULICS SUSPENDED – CYCLE EMS
1.232 MOMENT CONTROL DISABLED
1.233 NEW LOAD PIN DETECTED FAULT
1.234 NEW MAIN ANGL1 SENSOR DETECTED
1.235 NEW MAIN ANGL2 SENSOR DETECTED
1.236 NO ALTERNATOR OUTPUT
1.237 NO MAIN LIFT PILOT PRESSURE
1.238 OIL PRESSURE SHORT TO BATTERY
1.239 OIL PRESSURE SHORT TO GROUND
1.240 PARKING BRAKE OPEN CIRCUIT
1.241 PARKING BRAKE SHORT TO BATTERY
1.242 PARKING BRAKE SHORT TO GROUND
1.243 PLATFORM CAN COMMUNICATIONS LOST
1.244 PLATFORM CONTROL VALVE OPEN CIRCUIT
1.245 PLATFORM CONTROL VALVE SHORT TO BATTERY
1.246 PLATFORM CONTROL VALVE SHORT TO GROUND
1.247 PLATFORM MODULE FAILURE: HWFS CODE 1
1.248 PLATFORM MODULE SOFTWARE UPDATE REQUIRED
1.249 PLATFORM SENSOR REF VOLTAGE OUT OF RANGE
1.250 PUMP SWITCHES FAULTY – CHECK DIAGNOSTICS/BOOM
1.251 PUMP SWITCHES LOCKED – SELECTED BEFORE AUX POWER
1.252 PUMP SWITCHES LOCKED – SELECTED BEFORE FOOTSWITCH
1.253 PUMP SWITCHES LOCKED – SELECTED BEFORE START SWITCH
1.254 PVG VALVE ENABLE OPEN CIRCUIT
1.255 PVG VALVE ENABLE SHORT TO BATTERY
1.256 PVG VALVE ENABLE SHORT TO GROUND
1.257 REAR LEFT WHEEL BLOCKED
1.258 REAR LEFT WHEEL SENSOR FAULT – CHECK MOUNTING
1.259 REAR LEFT WHEEL SENSOR OUT OF RANGE HIGH
1.260 REAR LEFT WHEEL SENSOR OUT OF RANGE LOW
1.261 REAR RIGHT WHEEL BLOCKED
1.262 REAR RIGHT WHEEL SENSOR FAULT – CHECK MOUNTING
1.263 REAR RIGHT WHEEL SENSOR OUT OF RANGE HIGH
1.264 REAR RIGHT WHEEL SENSOR OUT OF RANGE LOW
1.265 RESTRICTED TO TRANSPORT – AXLE LOCKOUT VALVE STB OR OC
1.266 RESTRICTED TO TRANSPORT – OSC AXLE PRESS SW DISAGREEMENT
1.267 RESTRICTED TO TRANSPORT – PARKING BRAKE STB
1.268 RIGHT FORWARD DRIVE PUMP OPEN CIRCUIT
1.269 RIGHT FORWARD DRIVE PUMP SHORT TO BATTERY
1.270 RIGHT FORWARD DRIVE PUMP SHORT TO GROUND
1.271 RIGHT REVERSE DRIVE PUMP OPEN CIRCUIT
1.272 RIGHT REVERSE DRIVE PUMP SHORT TO BATTERY
1.273 RIGHT REVERSE DRIVE PUMP SHORT TO GROUND
1.274 RT FNT STEER LT STB OR OC
1.275 RT FNT STEER LT STG
1.276 RT FNT STEER RT STB OR OC
1.277 RT FNT STEER RT STG
1.278 RT REAR STEER LT STB OR OC
1.279 RT REAR STEER LT STG
1.280 RT REAR STEER RT STB OR OC
1.281 RT REAR STEER RT STG
1.282 RUNNING AT CREEP – CREEP SWITCH OPEN
1.283 RUNNING AT CREEP – PLATFORM OVERLOADED
1.284 RUNNING AT CREEP – TILTED AND ABOVE ELEVATION
1.285 RUNNING AT CUTBACK – OUT OF TRANSPORT POSITION
1.286 SPEED INPUT LOST
1.287 SPEED SENSOR READING INVALID SPEED
1.288 START SOLENOID OPEN CIRCUIT
1.289 START SOLENOID SHORT TO BATTERY
1.290 START SOLENOID SHORT TO GROUND
1.291 START SWITCH LOCKED – SELECTED BEFORE KEYSWITCH
1.292 STEER LOCKED – SELECTED BEFORE FOOTSWITCH
1.293 STEER SENSORS NOT CALIBRATED
1.294 STEER SWITCHES FAULTY
1.295 SWING LEFT OPEN CIRCUIT
1.296 SWING LEFT SHORT TO BATTERY
1.297 SWING RIGHT OPEN CIRCUIT
1.298 SWING RIGHT SHORT TO BATTERY
1.299 THROTTLE ACTUATOR FAILURE
1.300 THROTTLE ACTUATOR OPEN CIRCUIT
1.301 THROTTLE ACTUATOR SHORT TO BATTERY
1.302 THROTTLE ACTUATOR SHORT TO GROUND
1.303 TOWER ANGLE SENSOR DISAGREEMENT
1.304 TOWER ENVELOPE ENCROACHED – HYDRAULICS SUSPENDED
1.305 TOWER LENGTH SENSOR DISAGREEMENT
1.306 TOWER LENGTH SWITCH/SENSOR DISAGREEMENT
1.307 TOWER LIFT APU VALVE OPEN CIRCUIT
1.308 TOWER LIFT APU VALVE SHORT TO BATTERY
1.309 TOWER LIFT APU VALVE SHORT TO GROUND
1.310 TOWER LIFT APU VALVE STUCK OPEN
1.311 TOWER LIFT ENABLE OPEN CIRCUIT
1.312 TOWER LIFT ENABLE SHORT TO BATTERY
1.313 TOWER LIFT ENABLE SHORT TO GROUND
1.314 TOWER LIFT ENABLE STUCK OPEN
1.315 TOWER LIFT PVG VALVE COMMAND IMPROPER
1.316 TOWER LIFT PVG VALVE COMMUNICATIONS
1.317 TOWER LIFT PVG VALVE HIGH VOLTAGE
1.318 TOWER LIFT PVG VALVE INTERNAL FAULT
1.319 TOWER LIFT PVG VALVE LOCATION IMPROPER
1.320 TOWER LIFT PVG VALVE LOW VOLTAGE
1.321 TOWER LIFT PVG VALVE OBSTRUCTED
1.322 TOWER LIFT PVG VALVE PARAMETERS INCORRECT
1.323 TOWER LIFT PVG VALVE SEND UNRECOGNIZED FAULT
1.324 TOWER LIFT PVG VALVE SETUP FAULT
1.325 TOWER LIFT PVG VALVE STUCK EXTENDED
1.326 TOWER LIFT PVG VALVE STUCK NEUTRAL
1.327 TOWER LIFT PVG VALVE STUCK RETRACTED
1.328 TOWER LIFT PVG VALVE TIMEOUT
1.329 TOWER LIFT PVG VALVE WIRING INCORRECT
1.330 TOWER TELE APU VALVE STUCK OPEN
1.331 TOWER TELE ENABLE OPEN CIRCUIT
1.332 TOWER TELE ENABLE SHORT TO BATTERY
1.333 TOWER TELE ENABLE SHORT TO GROUND
1.334 TOWER TELE ENABLE STUCK OPEN
1.335 TOWER TELESCOPE APU OPEN CIRCUIT
1.336 TOWER TELESCOPE APU SHORT TO BATTERY
1.337 TOWER TELESCOPE APU SHORT TO GROUND
1.338 TOWER TELESCOPE PVG VALVE COMMAND IMPROPER
1.339 TOWER TELESCOPE PVG VALVE COMMUNICATIONS
1.340 TOWER TELESCOPE PVG VALVE HIGH VOLTAGE
1.341 TOWER TELESCOPE PVG VALVE INTERNAL FAULT
1.342 TOWER TELESCOPE PVG VALVE LOCATION IMPROPER
1.343 TOWER TELESCOPE PVG VALVE LOW VOLTAGE
1.344 TOWER TELESCOPE PVG VALVE OBSTRUCTED
1.345 TOWER TELESCOPE PVG VALVE PARAMETERS INCORRECT
1.346 TOWER TELESCOPE PVG VALVE SENT UNRECOGNIZED FAULT
1.347 TOWER TELESCOPE PVG VALVE SETUP FAULT
1.348 TOWER TELESCOPE PVG VALVE STUCK EXTENDED
1.349 TOWER TELESCOPE PVG VALVE STUCK NEUTRAL
1.350 TOWER TELESCOPE PVG VALVE STUCK RETRACTED
1.351 TOWER TELESCOPE PVG VALVE TIMEOUT
1.352 TOWER TELESCOPE PVG VALVE WIRING INCORRECT
1.353 TRN DUAL CAP BAD TRANSITION
1.354 TRN DUAL CAP SWITCHES BAD
1.355 TWO SPEED OPEN CIRCUIT
1.356 TWO SPEED SHORT TO BATTERY
1.357 TWO SPEED SHORT TO GROUND
1.358 TWR ANGL1 INVALID ANGLE
1.359 TWR ANGL2 INVALID ANGLE
1.360 TWR CYL ANGLE MOVEMENT WITHOUT CMD
1.361 TWR CYL ANGLE NOT DETECTING ANGLE CHANGE
1.362 TWR CYL ANGLE SENSOR OUT OF RANGE HIGH
1.363 TWR CYL ANGLE SENSOR OUT OF RANGE LOW
1.364 TWR LENGTH MOVEMENT WITHOUT CMD
1.365 TWR LENGTH SENSOR NOT DETECTING LENGTH CHANGE
1.366 TWR LENGTH SENSOR ONE VALUE OUT OF RANGE HIGH
1.367 TWR LENGTH SENSOR ONE VALUE OUT OF RANGE LOW
1.368 TWR LENGTH SENSOR TWO VALUE OUT OF RANGE HIGH
1.369 TWR LENGTH SENSOR TWO VALUE OUT OF RANGE LOW
1.370 TWR TRN SW DISAGREEMENT
1.371 WAITING FOR FSW TO BE OPEN
1.372 WRONG ENGINE SELECTED – ECM PRESENT
1.373 WRONG MAIN LIFT RESPONSE
1.374 WRONG MAIN TELE RESPONSE
1.375 WRONG TWR LIFT RESPONSE
1.376 WRONG TWR TELE RESPONSE
1.377 COMMON STB OR OC PROCEDURE
1.378 COMMON STG PROCEDURE

Section 2. Electrical Reference
Limit Switch States
Boom Angle Regions
Color Key
Platform Area Solenoids
Platform Area Connectors
Boom Area Connectors
Engine Area Connectors
Main Valve Area Solenoids
Main Valve Area Connectors
Ground Control Connectors
Chassis Area Solenoids
Chassis Area Connectors
Platform Electrical Schematic
Tower and Main Boom Electrical Schematic
Ground Control Electrical Schematic
BLAM Electrical Schematic
Chassis Electrical Schematic
Electrical Wiring Sheet 1
Electrical Wiring Sheet 2
2.1 Connector Index
2.2 BLAM Module Connector Pinouts
2.3 Chassis Module Connector Pinouts
2.4 Ground Module Connector Pinouts
2.5 Platform Module Connector Pinouts
2.6 Connector Loading Diagrams
2.7 Working with AMP Connectors
Applying Silicone Dielectric Compound to AMP Connectors
Assembly
Disassembly
Wedge Lock
Service – Voltage Reading
2.8 Working with Deutsch Connectors
DT/DTP Series Assembly
DT/DTP Series Disassembly
HD30/HDP20 Series Assembly
HD30/HDP20 Series Disassembly

Section 3. Hydraulic Reference
Platform Valve Layout
Pump Circuit Schematic
Platform Control Schematic
Axle Steer Control Schematic
Traction Control Schematic
Boom Control Schematic

Section 4. JLG Analyzer
4.1 To Connect the JLG Control System Analyzer
4.2 Using the Analyzer
4.3 Changing the Access Level of the Hand Held Analyzer
4.4 Adjusting Parameters Using the Hand Held Analyzer
4.5 Machine Setup
4.6 Machine Orientation When Setting Speeds
Test Notes
4.7 System Test
Test from the Platform
Test from the Ground Station

Section 5. Calibrations
5.1 Calibration Instructions
5.2 Calibrating Steer
5.3 Calibrating Drive
5.4 Calibrating Boom Valves
5.5 Electronic Platform Leveling
Platform Leveling Fault Warning
Fault Response
CAN Errors
Additional Platform and Jib Valves
Platform Leveling Calibration Procedure
5.6 Calibrating Platform Level
STEP 1: SETTING THE PLATFORM VALVE MINIMUMS
STEP 2: CALIBRATING THE PLATFORM LEVEL SENSORS
STEP 3: BLEEDING THE PLATFORM VALVES
STEP 4: CALIBRATING THE PLATFORM LEVEL UP AND DOWN VALVE CRACKPOINTS
5.7 Calibrating Tilt Sensor
5.8 Boom Sensor Calibration
Step 1 – Position 1
Step 2 – Position 2
Step 3 – Position 3
Step 4 – Position 4
Step 5 – Position 5
Step 6 – Position 6
Step 7 – Position 7
Step 8 – Position 8
Step 9 – Position 9
Step 10 – Position 10
Step 11 – Position 11

Section 6. Multimeter Basics
6.1 Introduction
Grounding
Backprobing
Min/Max
Polarity
Scale
Voltage Measurement
Resistance Measurement
Current Measurement
Continuity Measurement
6.2 Continuity Measurement Over Long Distances

 

Download Ebook

JLG 1250AJP Model Articulating Boom Lift Troubleshooting Manual.pdf

Leave a Reply

Your email address will not be published. Required fields are marked *