31 No Platform Level Up From The Base Or Platform Consoles; 32 No Platform Level Up From The Base Console; 33 No Platform Level Up From The Platform Console; 34 No Platform Level Down From The Base Or Platform Consoles - Skyjack SJ45 AJ+ Service Manual

Section 4 – Troubleshooting Information

4.2-31 No Platform Level Up from the Base or Platform Consoles

1. Loose or broken wire #41 from base control
module connector J2 pin #7 to turret harness
plug pin #16
2. Loose or broken wire #41 from turret harness
plug pin #16 to platform level up valve 4H-41
3. Loose or broken wire #02 from turret harness
plug to platform level up valve 4H-41
4. Defective platform level up coil 4H-41

4.2-32 No Platform Level Up from the Base Console

1. Loose or broken wire #10A from IGN switch S5
to platform level switch S15
2. Defective platform level switch S15
3. Loose or broken wire #41B from platform level
switch S15 to base control module connector J2
pin 22

4.2-33 No Platform Level Up from the Platform Console

1. Loose or broken wire #04 from platform terminal
block to platform level switch S19
2. Defective platform level switch S19
3. Loose or broken wire #41A from platform level
switch S19 to platfrom control module connector
J12 pin 22

4.2-34 No Platform Level Down from the Base or Platform Consoles

1. Loose or broken wire #40 from base control
module connector J2 pin 35 to turret harness
plug pin #15
2. Loose or broken wire #40 from turret harness
plug pin #15 to platform level down valve 4H-40
3. Loose or broken wire #02 from turret harness
plug to platform level down valve 4H-40
4. Defective platform level down coil 4H-40
238274AAA
100
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity and resistance through coil.
Replace if defective
Check continuity. Replace if defective
Check continuity through switch while activating up
function between wires #10A and #41B. Replace
switch if no continuity
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity through switch while activating
platform level up function between wires #04 and
#41A. Replace switch if no continuity
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity and resistance through coil.
Replace if defective
Electrical System
SJ45 AJ+