Skyjack SJ12 E - 7.4 Maximum platform capacities (evenly distributed)

68
SJ12 E, SJ16 E, SJ20 E
241914ACA
Section 4 – Troubleshooting Information Electrical System
4.2-11 No Drive
1. Loose or broken 12 wire from lift/off/drive switch
S3 to joystick pin P-07
Check continuity. Replace if defective.
2. Open or defectivelift/off/drive switch S3 Close switch. Replace if defective
3. Loose or broken 05A wire from base E-stop S28
to to 30ACR brake relay pin 30 and/or pin 86
Check continuity. Replace if defective.
4. Loose or broken 30A wire from 30ACR brake
relay pin 85 to machine controller pin B-22
Check continuity. Replace if defective.
5. Defective 30ACR brake relay Check relay Replace if defective.
6. Loose or broken 05B from diode D05B to brake
BK1 pin P7-1 and/or BK2 pin P9-1
Check continuity. Replace if defective.
7. Loose or broken wire 30L from BK2 pin P9-2 to
machine controller pin A30
Check continuity. Replace if defective.
8. Loose or broken wire 30R from BK1 pin P7-2 to
machine controller pin A28
Check continuity. Replace if defective.
9. Defective brake BK1 or BK2 Check brakes. Replace if defective.
10. Loose or defective wiring from machine controller
pins WS, VS, and/or US to left traction motor
Check continuity. Replace if defective.
11. Loose or defective wiring from machine controller
pins WM, VM, and/or UM to right traction motor
Check continuity. Replace if defective.
12. Defective traction motor Check Motors. Replace if defective.