Skyjack SJ3219 Service Manual

95
SJ3215, SJ3219
212508ADA
Section 4 – Troubleshooting Information Electrical System
4.2-16 Pressure Transducer PT1 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 #910 from Control Module
pin #P2-7 to B+(pin1) on Pressure Transducer
PT1.
Check continuity. Test for 24V Output voltage
between wire #910 and wire #902 at P6-4.
Use HMI Diagnostic menu to make sure output P2-7
supply is present.
Replace if defective.
3. Loose or broken wire #902 from Control Module
pin #P2-3 to GND (pin3) on Pressure Transducer
PT1.
Check continuity. Replace if defective.
4.2-15 No Drive or Steer when Platform Elevated
1. Control Module CM1 display is broadcasting an
error message.
Check Control Module display screen and follow
instructions to clear error.
2. Pothole protection bars not fully lowered. Clear obstructions. Repair as needed.
3. Loose or broken wire #910 from Control Module
CM1 pin #P2-7 to pothole protection limit switch
LS1
Check continuity. Test for 24V Output voltage
between wire #910 and wire #902 at P6-4.
Use HMI Diagnostic menu to make sure output P2-7
supply is present.
Replace if defective.
4. Defective pothole protection limit switch LS1.
Check switch.
Check continuity between wire #910 and wire #72
at switch.
Replace if no continuity when operating switch.
5. Loose or broken wire #72 from pothole
protection limit switch LS1 to pothole protection
limit switch LS2.
Check continuity. Replace if defective.
6. Defective pothole protection limit switch LS2
Check switch.
Check continuity between wire #72 and wire #71.
Replace if no continuity when operating switch.
7. Loose or broken wire #71 from pothole
protection limit switch LS2 to Control Module
CM1 pin #P4-7.
Check continuity. Test for 24V Input voltage
between wire #71 and wire #00.
Use HMI Diagnostic menu to make sure input P4-7
signal is present.
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.

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