153
SJ63 AJ+, SJ63 AJ 229043AAA
Electrical System - CE & AS Section 4 – Troubleshooting Information
5. No output on pin #5 of the valve driver to wire
#20B.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for valve driver
test procedure.
6. No output on pin #8 of the valve driver to wire
#13.
Check pin #8 for minimum 1.5 volts. If no voltage
present with foot on footswitch check section 5 for
valve driver test procedure.
7. Loose or broken wire #13 from valve driver pin
#8 to plug A pin #6 in platform control console.
Check continuity. Replace if defective.
8. Loose or broken wire #13 in boom cable A or its
connectors.
Check for continuity between pins #6 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
9. Loose or broken wire #13 from base connector
plug A pin #6 to base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #13 from base terminal
block to main harness plug pin #1.
Check continuity. Replace if defective.
11. Loose or broken wire #13 from main harness
plug pin #1 to boom down valve 5H-13.
Check continuity. Replace if defective.
12. Loose or broken wire #02 from main harness
plug to boom down valve 5H-13.
Check continuity. Replace if defective.
13. Defective boom down valve coil 5H-13. Check continuity and resistance through coil.
Replace if defective.
4.3-33 No Riser Up from the Platform Control Console
1. Loose or broken wire #04 from platform terminal
block to joystick controller A3.
Check continuity. Replace if defective.
2. Loose or broken wire #02 from platform terminal
block to joystick controller A3.
Check continuity. Replace if defective.
3. No output on R signal from joystick controller A3. Refer to joystick test procedure in section 5.
4. Loose or broken wire “R” from joystick controller
A3 to valve driver pin #30.
Check continuity. Replace if defective.
5. No output on pin #5 of the valve driver to wire
#20B.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for valve driver
test procedure.
6. No output on pin #9 of the valve driver to wire
#31.
Check pin #9 for minimum 3 volts. If no voltage
present with foot on footswitch check section 5 for
valve driver test procedure.
7. Loose or broken wire #31 from valve driver pin
#9 to plug A pin #13 in platform control console.
Check continuity. Replace if defective.
8. 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.
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