All Controls Inoperative From Platform Control Console - Skyjack SJ46 AJ+ Service Manual

Electrical System - CE & AS
6. Loose or broken wire #02 from turret harness pin
plug platform level up valve 4H-41.
7. Defective platform level up valve coil 4H-41.
No Manual Platform Level Down
1. Loose or broken wire #10A from ignition/ pump
switch S5 to platform level switch S15.
2. Defective platform level switch S15.
3. Loose or broken wire #40 from platform level
switch S15 to base terminal block.
4. Loose or broken wire #40 from base terminal
block to main harness pin plug pin#15.
5. Loose or broken wire #40 from main harness pin
plug pin#16 platform level down valve 4H-40.
6. Loose or broken wire #02 from turret harness pin
plug platform level down valve 4H-40.
7. Defective platform level down valve coil 4H-40.

4.3-8 All Controls Inoperative From Platform Control Console

1. Open or defective emergency stop switch S4.
2. Loose or broken wire #4A from emergency stop
switch S4 to platform start switch S9.
3. Loose or broken wire #4 platform start switch S9
to platform terminal block.
4. Loose or broken pin jumper between #04
and #04A on platform terminal block (without
generator option only).
5. Loose or broken wire #04 from platform terminal
block to generator switch S22 (generator option
only).
6. Generator switch S22 in generator mode or is
open or defective (generator option only).
7. Loose or broken wire #04A from generator
switch S22 to platform terminal block (generator
option only).
SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 4 – Troubleshooting Information
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
level down function between wires #10A and #40.
If no continuity found replace switch.
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.
Pull emergency switch out. Check continuity
through switch. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Select OFF mode on generator switch. Check
continuity through switch from #04 to #04A.
Replace if defective
Check continuity. Replace if defective.
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