SECTION 5 - JLG CONTROL SYSTEM
31215923
5-23
33319 3
3 “Drive Forward Valve - Short to Ground”
Drive and Lift Up are Prevented in
Platform Mode.
• UGM Detects that the Drive Forward Valve (J14-9) is reading
a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
33320 3
3 “Drive Reverse Valve - Open Circuit”
Drive and Lift Up are Prevented in
Platform Mode.
• UGM Detects that the Drive Reverse Valve (J14-10) is reading
as an Open Circuit.
• Check valve connector for damage or faulty wiring.
33321 3
3 “Drive Reverse Valve - Short to Battery”
Drive, Steer, Leveling Jacks/Quik
Level, and Lift Up are Prevented in
Platform Mode.
• UGM Detects that the Drive Reverse Valve (J14-10) is reading
a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
33322 3
3 “Drive Reverse Valve - Short to Ground”
Drive and Lift Up are Prevented in
Platform Mode.
• UGM Detects that the Drive Reverse Valve (J14-10) is reading
a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
334
3
3 “Lift Up Valve - Open Circuit”
No Restrictions
• UGM Detects that the Lift Up Valve (J2-7) is reading as an
Open Circuit.
• Check valve connector for damage or faulty wiring.
33406 3
3 “Lift Up Valve - Short To Ground”
No Restrictions
• UGM Detects that the Lift Up Valve (J2-7) is reading a Short
to Ground Circuit.
• Check valve connector for damage or faulty wiring.
33416 3
3 “Flow Control Valve - Current Feedback
Too Low”
No Restrictions
• The UGM detects that the Flow Control Valve's Current Feed-
back is reading lower than the acceptable range.
• Check valve connector for damage or faulty wiring.
3352
3
3 “LP Valve - Short To Ground”
No Restrictions
• UGM Detects that the LP Valve (J1-12) is reading a Short to
Ground Circuit.
• Check valve connector for damage or faulty wiring.
3353
3
3 “LP Valve - Open Circuit”
No Restrictions
• UGM Detects that the LP Valve (J1-12) is reading as an Open
Circuit.
• Check valve connector for damage or faulty wiring.
3357
3
3 “LP Valve - Short To Battery”
No Restrictions
• UGM Detects that the LP Valve (J1-12) is reading a Short to
Battery Circuit.
• Check valve connector for damage or faulty wiring.
337
3
3 “Steer Left Valve - Short To Battery”
Drive and Steer are Prevented.
• UGM Detects that the Steer Left Valve (J2-2) is reading a
Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
33739 3
3 "Lift Down Valve - Current Feedback Too
Low"
Lift Up and Lift Down Prevented.
• The UGM detects that the Lift Down Valve's Current Feed-
back is reading lower than the acceptable range.
• Check valve connector for damage or faulty wiring.
33750 3
3 "Upper Lift Down Valve - Short to Battery" Lift Up and Down are Restricted to
Creep Speed.
• UGM Detects that the Upper Lift Down Valve (J2-34) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
33751 3
3 "Upper Lift Down Valve - Short to Ground" Lift Up Prevented in Platform Mode.
Lift Down Restricted to Creep Speed.
• UGM Detects that the Upper Lift Down Valve (J2-34) is read-
ing a Short to Ground Circuit.
• Check valve connector for damage or faulty wiring.
33752 3
3 "Upper Lift Down Valve - Open Circuit"
Lift Up Prevented in Platform Mode.
Lift Down Restricted to Creep Speed.
• UGM Detects that the Upper Lift Down Valve (J2-34) is read-
ing as an Open Circuit.
• Check valve connector for damage or faulty wiring.
33753 3
3 "Lower Lift Down Valve - Short to Battery" Lift Up and Down Prevented.
• UGM Detects that the Lower Lift Down Valve (J2-35) is read-
ing a Short to Battery Circuit.
• Check valve connector for damage or faulty wiring.
DTC
Code
Flash
Code
Description
Action
Item Check List
Содержание ERT2669
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Страница 4: ...INTRODUCTION A 2 31215923 REVISON LOG Original Issue A January 08 2021...
Страница 12: ...viii 31215923 TABLE OF CONTENTS...
Страница 40: ...SECTION 1 SPECIFICATIONS 1 22 31215923...
Страница 58: ...SECTION 2 GENERAL 2 18 31215923...
Страница 187: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 11...
Страница 206: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 4 30 31215923...
Страница 221: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 45 Figure 4 33 Lift Cylinder MAF46290...
Страница 223: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 47 Figure 4 35 Leveling Jack Cylinder MAF46280...
Страница 225: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 31215923 4 49...
Страница 242: ...SECTION 4 BASIC HYDRAULIC INFORMATION SCHEMATICS 4 66 31215923...
Страница 307: ...SECTION 5 JLG CONTROL SYSTEM 31215923 5 65...
Страница 334: ...SECTION 6 LSS SETUP CALIBRATION SERVICE 6 12 31215923...
Страница 362: ...SECTION 7 GENERAL ELECTRICAL INFORMATION SCHEMATICS 7 28 31215923...
Страница 374: ...SECTION 7 GENERAL ELECTRICAL INFORMATION SCHEMATICS 7 40 31215923...
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