No Power - Skyjack SJ82 T Service Manual

Electrical System

4.2-2 No Power

To Platform
1. Open or defective key select switch S2.
2. Loose or broken wire #07A from key select
switch S2 to to platform emergency stop switch
S4.
3. Open or defective platform emergency stop
switch S4.
4. Loose or broken wire #04B from platform
emergency stop switch S4 to Ignition switch S9.
To Base
1. Open or defective base key switch S2.
2. Loose or broken wire #12 from base key switch
S2 to Ignition/E-pump switch S5.
3. Loose or broken wire #12 from base key switch
S2 to base connector plug A pins #2 & 3.
4. Loose or broken wires #12 in boom cable A or
its connectors.
5. Loose or broken wire #12 from plug A pin #2
& 3 to emergency stop switch S4 in platform
control console.
6. Open or defective emergency stop switch S4.
7. Loose or broken wire #10 from base terminal
block to Ignition/E-pump (enable) switch S5.
8. Open or defective Ignition/E-pump (enable)
switch S5.
SJ82 T, SJ86 T
Section 4 – Troubleshooting Information
Close switch. Replace if defective.
Check continuity. Replace if defective.
Check switch. Replace if defective.
Check continuity. Replace if defective.
Select base position on key switch. Check
continuity through base key switch. Replace if
defective.
Check continuity. Replace if defective
Check continuity. Replace if defective
Check for continuity between pins on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
Check continuity. Replace if defective
Check switch is in on position. Check continuity
through switch. Replace if defective.
Check continuity. Replace if defective
Check switch. Replace if defective
229040ABA
113