83
SJ6826RT, SJ6832RT
213560ABA
Electrical System Section 4 – Troubleshooting Information
4.2-2 No Power to Platform
1. Open or defective Idle/Platform/Base Key switch S10. Select function with switch.
Check continuity between wire #05 and wire #07 on
switch. (Platform selected)
Check continuity between wire #05 and wire #10E on
switch. (Base selected)
Replace switch if no continuity during correct switch
function.
2. Loose or broken wire #07 from Idle/PLTF/Base Key
switch S10 to Base terminal block TB-1.
Check continuity. Replace if defective.
3. Loose or broken wire #07 from Base terminal block
TB-1 to Platform Emergency Stop switch S4.
Check continuity. Replace if defective.
4. Loose or broken wire #05 from Base terminal block
TB-1 to Platform Emergency Stop switch S4.
Check continuity. Replace if defective.
5. Defective Platform Emergency Stop switch S4.h Close switch. Check continuity between wire #07 and
wire #08 on switch.
Check continuity between wire #05 and wire #10 on
switch.
Replace switch if no continuity between either one of the
two contacts.
4.2-3 All Functions Inoperative from The Base
1. Loose or broken wire #00 from Battery negative (-) to
circuit breaker CB3.
Check continuity. Replace if defective.
2. Tripped or defective negative circuit breaker CB3.
Reset breaker. Check for defective wiring. Replace
breaker if defective.
3. Loose or broken wire #02 from circuit breaker CB3 to
Base terminal block TB-1.
Check continuity. Replace if defective.
4. Tripped or defective circuit breaker CB1.
Reset breaker. Check for defective wiring. Replace
breaker if defective.
5. Loose or broken wire #3A from circuit breaker CB1 to
Power Relay 10CR1.
Check continuity. Replace if defective.
6. Loose or broken wire #3A from Power Relay 10CR1 to
Main Power Relay 10BCR.
Check continuity. Replace if defective.
7. Loose or broken wire #10E from Idle/PLTF/Base Key
switch S10 to Base terminal block TB-1.
Check continuity. Replace if defective.
8. Open diode D10E at Base terminal block TB-1. Check diode. Replace if defective.
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