Skyjack SJ3219 Service Manual

87
SJ3215, SJ3219
212508ADA
Section 4 – Troubleshooting Information Electrical System
4.2-8 No Up Function from Platform Controls (ANSI/CSA, CE, and AS)
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 #09 from Lift/Off/Drive
switch S3 to Control Module CM1 pin #P3-7.
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.
3. Lift//Off/Drive switch S3 is set to an incorrect
mode.
Select Lift. 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. Loose or broken wire #14 from Control module
CM1 pin #P5-5 to Up valve coil 3H-14.
Check continuity. Test for 24V Output voltage
between wire #14 and wire #00.
Use HMI Diagnostic menu to make sure output P5-5
signal is present.
Replace if defective.
6. Loose or broken wire #00 from Battery (-) to Up
valve coil 3H-14.
Check continuity. Replace if defective.
7. Defective up valve coil 3H-14. Check continuity through coil. Replace if defective.
8. Machine overloaded and Overload Lights PL-1
and PL-2 on Emergency Stop buttons flashing.
Check machine limits and reduce weight as
required.
Check Pressure Transducer PT1 and Angle
Transducer AT1 functionality.
Check wire #60 from Control Module CM1 pin
#P1-8 (overloaded signal).
Test for 24V Output voltage between wire #60 and
wire #00.
Use HMI Diagnostic menu to make sure Output
P1-8 signal is present (pulsed).
9. Machine not level.
Move machine and ONLY use on level surface.
Check Control Module CM1 display.
10. Check machine Tilt Procedure.
Check Control Module CM1 display screen and
perform Tilt Calibration Procedure ONLY if level has
been checked and needs adjustment.
11. 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.

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