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Section 4 – Troubleshooting Information
4.2-23 No Riser Down from the Base Console
1. Loose or broken wire #10A from IGN switch S5
to boom switch S25
2. Defective riser switch S25
3. Loose or broken wire #30B from riser switch S25
to base control module connector J3 pin 30
4.2-24 No Riser Down from the Platform Console
1. Loose or broken wire #04 from platform terminal
block to joystick controller A3
2. Loose or broken wire #02 from platform terminal
block to joystick controller A3
3. No output on "R" of joystick controller A3
4. Loose or broken wire "R" from joystick controller
to J13 pin #19 of platform control module
4.2-25 No Telescope Out from the Base or Platform Consoles
1. Loose or broken wire #39 from base control
module connector J2 pin 10 to turret harness
plug pin #14
2. Loose or broken wire #39 from turret harness
plug pin #14 to telescope out valve 4H-39
3. Loose or broken wire #02 from turret harness
plug to boom up valve 4H-39
4. Defective telescope out coil 4H-39
4.2-26 No Telescope Out from the Base Console
1. Loose or broken wire #10A from IGN switch S5
to telescope switch S13
2. Defective boom switch S13
3. Loose or broken wire #39B from telescope
switch S13 to base control module connector J2
pin 33
238274AAA
98
Check continuity. Replace if defective
Check continuity through switch while activating
riser down function between wires #10A and #30B.
Replace switch if no continuity
Check continuity. Replace if defective
Check continuity. Replace if defective
Check continuity. Replace if defective
Refer to joystick test procedure in section 5
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
Check continuity. Replace if defective
Check continuity through switch while activating
telescope out function between wires #10A and
#39B. Replace switch if no continuity
Check continuity. Replace if defective
Electrical System
SJ45 AJ+
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