Skyjack SJ3219 Service Manual

92
SJ3215, SJ3219
212508ADA
Electrical System Section 4 – Troubleshooting Information
4. Loose or broken wire #24 from Left Steer switch
S7-3 pin to Control Module CM1 pin #P3-9.
Check continuity. Test for 24V Input voltage
between wire #24 and wire #00.
Use HMI Diagnostic menu to make sure input P3-9
signal is present.
Replace if defective.
5. Loose or broken wire #24A from Control Module
CM1 pin #P5-6 to Left Steer valve coil 4H-24A.
Check continuity. Test for 24V Output voltage
between wire #24A and wire #00.
Use HMI Diagnostic menu to make sure output P5-6
signal is present.
Replace if defective.
6. Loose or broken wire #00 from Battery (-) to Left
Steer valve coil 4H-24A.
Check continuity. Replace if defective.
7. Defective Left Steer valve coil 4H-24A. Check continuity through coil. Replace if defective.
8. External or internal fault detected by Control
Module CM1
Check Control Module display screen. Use
Diagnostic Menu to see switch and sensor status.
Correct trouble code as displayed. Replace module
if defective.
4.2-13 Forward Drive Function Inoperative
1. Control Module CM1 display is broadcasting an
error message.
Check Control Module display screen and follow
instructions to clear error.
2. Loose or broken wire #12 from Lift/Off/Drive
switch S3 to Control Module CM1 pin #P3-6.
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.
3. Lift//Off/Drive switch S3 is set in an incorrect
mode or is defective.
Select Drive. Check switch. Replace if defective.
4. Loose or broken wire #59 from Joystick S7 to
Control Module CM1 pin #P1-2.
Check continuity. Use HMI Diagnostic menu to
make sure proportional input P1-2 signal is present.
Replace if defective.
5. Defective Joystick Enable switch S7-6.
Check switch.
Check continuity between wire #08 and wire #08A
on switch.
Replace Joystick if no continuity when operating
switch.
6. Defective Joystick S7. Check joystick. Replace if defective.
7. Loose or broken wire #00B from Control Module
CM1 pin #P1-3 to Joystick S7 (0V reference)
Check continuity. Replace if defective.

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