All Controls Inoperative From Base Control Console; All Controls Inoperative From Platform Control Console; No Drive Or Up Function From Platform Or Base Controls (Ce Only) - Skyjack SJ 3215 Service Manual

Service and Maintenance
Electrical System (Continued)
4.1-3

All Controls Inoperative From Base Control Console

1. Loose or broken wire #07 from base terminal block to platform emergency stop switch S4.
- Check continuity. Replace if defective.
2. Open or defective platform emergency stop switch S4.
- Close switch. Replace if defective.
3. Loose or broken wire #7A from platform emergency stop switch S4 to base terminal block.
- Check continuity. Replace if defective.
4. Loose or broken wire #7A from base terminal block to base key switch S10.
- Check continuity. Replace if defective.
5. Open or defective base key switch S10.
- Close switch. Replace if defective.
6. Loose or broken wire #10E from base key switch S10 to base up/down switch S2.
- Check continuity. Replace if defective.
4.1-4

All Controls Inoperative From Platform Control Console

1. Loose or broken wire #8C from base key switch S10 to base terminal block.
- Check continuity. Replace if defective.
2. Loose or broken wire #8C or wire #02 from base terminal block to platform emergency stop switch
S4.
- Check continuity. Replace if defective.
3. Open or defective platform emergency stop switch S4.
- Close switch. Replace if defective.
4. Loose or broken wire #8 or wire #02 from emergency stop switch S4 to battery charge indicator
BCI.
- Check continuity. Replace if defective.
5. Loose or broken wire #8 or wire #02 from battery charge indicator BC1 to joystick S7.
- Check continuity. Replace if defective.
6. Defective joystick enable switch S7-6.
- Check switch. Replace if defective.
7. Defective joystick neutral switch S7-1.
- Check switch. Replace if defective.
8. Defective joystick S7.
- Check joystick. Replace if defective.
4.1-5

No Drive or Up Function from Platform or Base Controls (CE only)

1. Defective tilt relay 28CR1 or Aux. tilt relay 28ECR1.
- Check relay. Replace if defective.
2. Loose or broken wire #02 from base terminal block to tilt relay 28CR1 or Aux. tilt relay 28ECR1.
- Check continuity. Replace if defective.
3. Loose or broken wire #28 from CM1 control module pin P3-4 to tilt relay 28CR1.
- Check continuity. Replace if defective.
4. Loose or broken wire #28E from CM1 control module pin P3-6 to Aux. tilt relay 28ECR1.
- Check continuity. Replace if defective.
5. Loose or broken wire #19 from base terminal block to Aux. tilt relay 28ECR1.
- Check continuity. Replace if defective.
6. Loose or broken wire #19A from Aux. tilt relay 28ECR1 to tilt relay 28CR1.
- Check continuity. Replace if defective.
SJIII Compact Series
143909
Section 4 - Troubleshooting Information
SKYJACK, Page 5