Skyjack SJ30ARJE User Manual

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SJ30AJE, SJ30ARJE 196274AF
Electrical System Section 4 – Troubleshooting Information
20. Loose or broken wire #3B from plug A pin #4
to emergency stop switch S4 in platform control
console.
Check continuity. Replace if defective.
21. Defective platform emergency stop switch S4. Check continuity. Replace if defective.
22. Loose or broken wire #3C from platform
emergency stop switch S4 to platform plug A pin
#5 in platform control console.
Check continuity. Replace if defective.
23. Loose or broken wire #3C in boom cable A or its
connectors.
Check for continuity between pins #5 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
24. Loose or broken wire #3C from plug A pin #5 to
base emergency pump switch S23.
Check continuity. Replace if defective.
25. Loose or broken wire #3C from base emergency
pump switch S23 to motor control harness A.
Check continuity. Replace if defective.
26. Loose or broken wire #3C from motor control
harness A pin #4 to right motor controller pin
#RM10, left motor controller pin #LM10 and
contactor 3CCR.
Check continuity. Replace if defective.
27. No negative output from right motor controller pin
#RM12 to contactor 3CCR.
Check continuity. Replace if defective.
28. Defective contactor 3CCR. Check contactor. Replace if defective.
29. Defective main fuse F3 or F4 (400Amp). Check fuse. Replace if defective.
30. Defective DC/DC converter. Check continuity. Replace if defective.
31. Loose or broken wire #3D from DC/DC converter
to fuse F2.
Check continuity. Replace if defective.
32. Defective fuse F2 (10Amp). Check fuse. Replace if defective.
33. Loose or broken wire #3D from fuse F2 to right
motor controller pin #RM3 or left motor controller
pin #LM3.
Check continuity. Replace if defective.
34. Loose or broken wire #3D from DC/DC converter
to circuit breaker CB1.
Check continuity. Replace if defective.
35. Tripped or defective circuit breaker CB1. Reset breaker. Check for defective wiring. Replace
breaker if defective.
36. Loose or broken wire #5 from circuit breaker
CB1 to base emergency stop switch S2.
Check continuity. Replace if defective.
37. Defective base emergency stop switch S2. Check switch. Replace if defective.
38. Loose or broken wire #7 from base key switch
S3 to relay 60CR.
Check continuity. Replace if defective.

Skyjack SJ30ARJE Specifications

General

Brand	Skyjack
Model	SJ30ARJE
Category	Boom Lifts
Language	English