27 No Turret Right From Platform Control Console - Skyjack SJ30AJE Service Manual

Electrical System

4.2-27 No Turret Right from Platform Control Console

1. Loose or broken wire #04 from platform terminal
block to joystick controller A2.
2. Loose or broken wire #02 from platform terminal
block to joystick controller A2.
3. No output on x-axis of joystick controller A2.
4. Loose or broken wire "X" from joystick controller
A2 to valve driver pin #28.
5. No output on pin #12 of the valve driver to wire
#70.
6. No output on pin #35 of the valve driver to wire
#33.
7. Loose or broken wire #33 from valve driver
pin #35 to plug A pin #15 in platform control
console.
8. Loose or broken wire #33 in boom cable A or its
connectors.
9. Loose or broken wire #33 from base connector
plug A pin #15 to base terminal block.
10. Loose or broken wire #33 from base terminal
block to main manifold harness.
11. Loose or broken wire #33 from main manifold
harness to turret right valve 5H-33.
12. Loose or broken wire #02 from main manifold
harness to turret right valve 5H-33.
13. Defective turret right valve coil 5H-33.
SJ30AJE, SJ30ARJE
Section 4 – Troubleshooting Information
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Refer to joystick test procedure in section 5.
Check continuity. Replace if defective.
Check pin #12 for proportional voltage. If no
voltage present with foot on footswitch check
section 5 for OCM pin voltage reference.
Check pin #35 for minimum 6.9 volts. If no voltage
present with foot on footswitch check section 5 for
OCM pin voltage reference.
Check continuity. Replace if defective.
Check for continuity between pins #15 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
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.
196274AF
107