SECTION 5 - JLG CONTROL SYSTEM
31215923
5-41
338
3
3 "Steer Left Valve - Open Circuit"
Drive Speed Restricted to Elevated
Speed.
• UGM Detects that the Steer Left Valve (J2-2) is reading as an
Open Circuit.
• Check valve connector for damage or faulty wiring.
33831 3
3 "Upper Lift Down Valve - Current Feedback
Too Low"
Lift Up Prevented in Platform Mode.
Lift Down Restricted to Creep Speed.
• The UGM detects that the Upper Lift Down Valve's Current
Feedback is reading lower than the acceptable range.
• Check valve connector for damage or faulty wiring.
33832 3
3 "Lower Lift Down Valve - Current Feedback
Too Low"
Lift Up and Down Prevented.
• The UGM detects that the Lower Lift Down Valve's Current
Feedback is reading lower than the acceptable range.
• Check valve connector for damage or faulty wiring.
339
3
3 "Steer Right Valve - Short To Battery"
Drive and Steer are Prevented.
• UGM Detects that the Steer Right Valve (J2-3) is reading a
Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
3517
3
5 "Front Left Leveling Jack Valve - Short To
Ground"
No Response.
• UGM Detects that the FL Leveling Jack Valve (J2-12) is read-
ing a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
3518
3
5 "Front Left Leveling Jack Valve - Short To
Battery"
Lift Up and Drive Prevented.
• UGM Detects that the FL Leveling Jack Valve (J2-12) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
3519
3
5 "Front Left Leveling Jack Valve - Open Cir-
cuit"
No Response.
• UGM Detects that the FL Leveling Jack Valve (J2-12) is read-
ing as an Open Circuit.
• Check valve connector for damage or faulty wiring.
3520
3
5 "Front Right Leveling Jack Valve - Short To
Ground"
No Response.
• UGM Detects that the FR Leveling Jack Valve (J2-16) is read-
ing a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
3521
3
5 "Front Right Leveling Jack Valve - Short To
Battery"
Lift Up and Drive Prevented.
• UGM Detects that the FR Leveling Jack Valve (J2-16) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
3522
3
5 "Front Right Leveling Jack Valve - Open
Circuit"
No Response
• UGM Detects that the FR Leveling Jack Valve (J2-16) is read-
ing as an Open Circuit.
• Check valve connector for damage or faulty wiring.
3523
3
5 "Rear Left Leveling Jack Valve - Short To
Ground"
None
• UGM Detects that the RL Leveling Jack Valve (J2-21) is read-
ing a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
3524
3
5 "Rear Left Leveling Jack Valve - Short To
Battery"
Lift Up and Drive Prevented
• UGM Detects that the RL Leveling Jack Valve (J2-21) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
3525
3
5 "Rear Left Leveling Jack Valve - Open Cir-
cuit"
No Response.
• UGM Detects that the RL Leveling Jack Valve (J2-21) is read-
ing as an Open Circuit.
• Check valve connector for damage or faulty wiring.
3526
3
5 "Rear Right Leveling Jack Valve - Short To
Ground"
No Response
• UGM Detects that the RR Leveling Jack Valve (J2-23) is read-
ing a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
3527
3
5 "Rear Right Leveling Jack Valve - Short To
Battery"
Lift Up and Drive Prevented
• UGM Detects that the RR Leveling Jack Valve (J2-23) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
3528
3
5 "Rear Right Leveling Jack Valve - Open Cir-
cuit"
No Response.
• UGM Detects that the RR Leveling Jack Valve (J2-23) is read-
ing as an Open Circuit.
• Check valve connector for damage or faulty wiring.
DTC
Code
Flash
Code
Description
Action
Item Check List
Summary of Contents for ERT2669
Page 2: ......
Page 4: ...INTRODUCTION A 2 31215923 REVISON LOG Original Issue A January 08 2021...
Page 12: ...viii 31215923 TABLE OF CONTENTS...
Page 40: ...SECTION 1 SPECIFICATIONS 1 22 31215923...
Page 58: ...SECTION 2 GENERAL 2 18 31215923...
Page 187: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 11...
Page 206: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 4 30 31215923...
Page 225: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 49...
Page 242: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 4 66 31215923...
Page 307: ...SECTION 5 JLG CONTROL SYSTEM 31215923 5 65...
Page 334: ...SECTION 6 LSS SETUP CALIBRATION SERVICE 6 12 31215923...
Page 362: ...SECTION 7 GENERAL ELECTRICAL INFORMATION SCHEMATICS 7 28 31215923...
Page 374: ...SECTION 7 GENERAL ELECTRICAL INFORMATION SCHEMATICS 7 40 31215923...
Page 375: ......