Skyjack SJ30ARJE User Manual

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SJ30AJE, SJ30ARJE196274AF
Section 4 – Troubleshooting Information Electrical System
4.2-24 No Riser Up from Platform Control Console
1. Loose or broken L wire from speed controller to
resistor R1 in platform control console.
Check continuity. Replace if defective.
2. Open or defective resistor R1.
3. Loose or broken wire #30B from resistor R1 to
riser switch S7.
Check continuity. Replace if defective.
4. Defective riser switch S7. Check continuity through switch while activating
the function between wires #30B and #30A.
5. Loose or broken wire #30A from riser switch S7
to valve driver pin #27.
Check continuity. Replace if defective.
6. Voltage out of range at valve driver pin #32. Check voltage while operating riser up. Voltage
should be 2.41 volts. Refer to toggle switch voltage
reference worksheet in section 5 if out of range.
7. No output on pin #23 of the valve driver to wire
#20A.
Check pin #23 for proportional voltage. This
voltage varies with the A3 boom speed control. If
no voltage present with foot on footswitch check
section 5 for OCM pin voltage reference.
8. No output on pin #23 of the valve driver to wire
#20A.
Check pin #10 for minimum 4.5 volts. If no voltage
present with foot on footswitch check section 5 for
OCM pin voltage reference.
9. Loose or broken wire #31 from valve driver
pin #10 to plug A pin #13 in platform control
console.
Check continuity. Replace if defective.
10. Loose or broken wire #31 in boom cable A or its
connectors.
Check for continuity between pins #13 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
11. Loose or broken wire #31 from base connector
plug A pin #13 to base terminal block.
Check continuity. Replace if defective.
12. Loose or broken wire #31 from base terminal
block to main manifold harness.
Check continuity. Replace if defective.
13. Loose or broken wire #31 from main manifold
harness to riser up valve 2H-31.
Check continuity. Replace if defective.
14. Loose or broken wire #02 from main manifold
harness to riser up valve 2H-31.
Check continuity. Replace if defective.
15. Defective riser up valve coil 2H-31. Check continuity and resistance through coil.
Replace if defective.

Skyjack SJ30ARJE Specifications

General

Brand	Skyjack
Model	SJ30ARJE
Category	Boom Lifts
Language	English