Skyjack SJ3219 Service Manual

85
SJ3215, SJ3219
212508ADA
Section 4 – Troubleshooting Information Electrical System
7. Loose or broken wire #08C from Base Key switch
S10 to Control Module CM1 pin #3-1 (enable
signal).
Check continuity. Test for 24V Input voltage
between wire #08C and wire #00.
Use HMI Diagnostic menu to make sure input P3-1
signal is present.
Replace if defective.
8. Loose or broken wire #07 from Base Key switch
S10 to platform Emergency Stop switch S4.
Check continuity. Replace if defective.
9. Open or defective platform Emergency Stop
switch S4.
Close switch by pulling knob out and check switch.
Check continuity between wire #07 and wire #08.
Replace switch if defective.
10. Loose or broken wire #08 from platform Emergency
Stop switch S4 to Control module CM1 pin #P3-2.
(platform signal)
Check continuity. Test for 24V Input voltage
between wire #08 and wire #00.
Use HMI Diagnostic menu to make sure input P3-2
signal is present.
Replace if defective.
11. Loose or broken wire #08 from platform
Emergency Stop switch S4 to Lift/Off/Drive switch
S3
Check continuity. Replace if defective.
12. Open or defective Lift/Off/Drive switch S3.
Check switch.
Check continuity between wire #08 and wire #12
(Drive Mode selected)
Check continuity between wire #08 and wire #09
(Lift Mode selected)
Replace if no continuity when operating switch.
13. Loose or broken wire #12 from Lift/Off/Drive
switch S3 to Control Module CM1 pin #P3-6.
(drive signal)
Check continuity. Test for 24V Input voltage
between wire #12 and wire #00.
Use HMI Diagnostic menu to make sure input P3-6
signal is present.
Replace if defective.
14. Loose or broken wire #09 from Lift/Off/Drive
switch S3 to Control Module CM1 pin #P3-7.
(lift signal).
Check continuity. Test for 24V Input voltage
between wire #09 and wire #00.
Use HMI Diagnostic menu to make sure input P3-7
signal is present.
Replace if defective.
15. Loose or broken wire #08 from platform
Emergency Stop switch S4 to Joystick S7.
Check continuity. Replace if defective.
16. Defective Joystick switches S7-6 Enable, S7-2
steer right and S7-3 steer left.
Check switches.
Check continuity between wire #08 and wire #08A
(enable signal)
Check continuity between wire #08 and wire #23
(steer right signal)
Check continuity between wire #08 and wire #24
(steer left signal)
Replace Joystick if no continuity when operating
individual switches.

Skyjack SJ3219 Specifications

General

Gradeability	25%
Power Source	Electric
Drive Motor	24V DC
Tire Type	Solid, non-marking
Lift Capacity	550 lbs
Machine Width	32 in
Machine Length	70 in
Drive Speed (Stowed)	2 mph
Drive Speed (Raised)	0.8 km/h
Turning Radius (Inside)	0 in (0 m)
Battery	4 x 6V
Working Height	25 ft