Skyjack SJ12 E - Section 7 - Specifications; 7.1 Standard and optional equipment

65
SJ12 E, SJ16 E, SJ20 E
241914ACA
Electrical System Section 4 – Troubleshooting Information
17. Loose or broken wire 07 from base key switch to
upper control box E-Stop switch S4
Check continuity. Replace if defective.
18. Open or defective upper controll box E-stop
switch S4
Close switch. Replace if defective
19. Loose or broken wire 08 from upper control box
E-Stop switch S4 to machine controller pin A7
Check continuity. Replace if defective.
20. Loose or broken wire 00 from machine controller
B- to battery negative
Check continuity. Replace if defective.
21. Loose or broken wire #08C from base key switch
S10 to upper control box joystick pin P-16 and/or
service position position limit switch LS3
Check continuity. Replace if defective.
22. Misadjusted or defective service position position
limit switch LS3
Adjust switch. Replace if defective
23. Loose or broken wire 51 from service position
position limit switch LS3 to control box joystick
pin P-18
Check continuity. Replace if defective.
4.2-2 No Lift or Steer Functions
1. Loose or broken wire 19 from motor contactor C1
coil negative to machine controller pin A27
Check continuity. Replace if defective.
2. Defective motor contactor C1 Replace if defective
3. Loose or broken wire 03B from motor contactor
C1 N.O. contact to machine controller B+
Check continuity. Replace if defective.
4. Loose or broken wire 03B from machine
controller B+ to pump motor positive terminal
Check continuity. Replace if defective.
5. Loose or broken ground wire from machine
controller P- to pump motor negative terminal
Check continuity. Replace if defective.
6. Loose or broken wire 03B from motor contactor
C1 N.O. contact to circuit breaker CB2
Check continuity. Replace if defective.
7. Defective or tripped circuit breaker CB2
Check for short circuits, Reset Circuit Breaker.
Replace breaker if defective.
8. Loose or broken wire 03C from circuit breaker
CB2 to machine controller pin B19
Check continuity. Replace if defective.
9. Loose or broken wire 03C from circuit breaker
CB2 to lift (3H-14), right steer (4H-23) and left
steer (4H-24) coils
Check continuity. Replace if defective.