SECTION 4, Page 12
SJ-600 Series Engine Powered
112715
June 2001
ELECTRICAL SYSTEM
TROUBLESHOOTING INFORMATION
TROUBLE
PROBABLE CAUSE
REMEDY
UP CIRCUIT
INOPERATIVE FROM
PLATFORM OR BASE
(Continued)
12. Loose or broken wire #02 from relay
(14CR) to base terminal block.
13. Defective relay (14CR).
14. Loose or broken wire #10A from
base terminal block to end of stroke
limit switch (LS4).
15. Defective end of stroke limit switch
(LS4).
16. Loose or broken wire #36B from end
of stroke limit switch (LS4) to relay
(14CR).
17. Loose or broken wire #14A from
relay (14CR) to relay (28CR).
18. Loose or broken wire #14B from
relay (28CR) to base terminal block.
19. Loose or broken wire #14B from
base terminal block to lift valve
solenoid (2H14B).
20. Loose or broken wire #02 from lift
valve solenoid (2H14B) to base
terminal block.
21. Defective lift valve solenoid (2H14B).
1. Loose or broken wire #10A from
base terminal block to base up switch
(S16)
2. Loose or broken wire #14 from base
up switch (S16) to base terminal
block.
3. Defective base up switch (S16).
1. Loose or broken wire #10E from
base terminal block to up/off/down
switch (S2)
2. Loose or broken wire #14 from up/
off/down switch (S2) to base terminal
block.
3. Defective up/off/down switch (S2).
1. Lift/off/drive switch (S3) in drive
position or defective.
2. Loose or broken wire #09 from off/
lift/drive switch (S3) to hydraulic
generator switch (S12) or lift enable
switch (S9).
3. Loose or broken wire #09A from
hydraulic generator switch (S12) to
lift enable switch (S9).
4. Defective hydraulic generator switch
(S12).
5. Defective lift enable switch (S9).
6. Loose or broken wire #13 from lift
enable switch (S9) to diode (D13).
12. Check continuity. Replace if
defective.
13. Check relay. Replace if defective.
14. Check continuity. Replace if
defective.
15. Check switch. Replace if defective.
16. Check continuity. Replace if
defective.
17. Check continuity. Replace if
defective.
18. Check continuity. Replace if
defective.
19. Check continuity. Replace if
defective.
20. Check continuity. Replace if
defective.
21. Check solenoid. Replace if
defective.
1. Check continuity. Replace if
defective.
2. Check continuity. Replace if
defective.
3. Check switch. Replace if defective.
1. Check continuity. Replace if
defective.
2. Check continuity. Replace if
defective.
3. Check switch. Replace if defective.
1. Select lift position. Check switch.
Replace if defective.
2. Check continuity. Replace if
defective.
3. Check continuity. Replace if
defective.
4. Check switch. Replace if defective.
5. Check switch. Replace if defective.
6. Check continuity. Replace if
defective.
UP CIRCUIT
INOPERATIVE FROM
BASE
DOWN CIRCUIT
INOPERATIVE FROM
PLATFORM OR BASE
UP CIRCUIT
INOPERATIVE FROM
BASE (Base Control
Box Option)
Summary of Contents for SJ-7027
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