No Up Function From Platform Controls (Ansi/Csa, Ce, And As) - Skyjack SJ3220 Service Manual

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.
2. Loose or broken wire #09 from Lift/Off/Drive
switch S3 to Control Module CM1 pin #P3-7.
3. Lift//Off/Drive switch S3 is set to an incorrect
mode.
4. Loose or broken wire #59 from Joystick S7 to
Control Module CM1 pin #P1-2.
5. Loose or broken wire #14 from Control module
CM1 pin #P5-5 to Up valve coil 3H-14.
6. Loose or broken wire #00 from Battery (-) to Up
valve coil 3H-14.
7. Defective up valve coil 3H-14.
8. Machine overloaded and Overload Lights PL-1 and
PL-2 on Emergency Stop buttons flashing.
9. Machine not level.
10. Check machine Tilt Procedure.
11. External or internal fault detected by Control
Module CM1.
SJ3220, SJ3226, SJ4720, SJ4726, SJ4732
Section 4 – Troubleshooting Information
Check Control Module display screen and follow
instructions to clear error.
Check continuity. Test for 24V Input voltage
between wire #09 and wire #02.
Use HMI Diagnostic menu to make sure input P3-7
signal is present.
Replace if defective.
Select Lift. Check switch. Replace if defective.
Check continuity. Use HMI Diagnostic menu to
make sure proportional input P1-2 signal is present.
Replace if defective.
Check continuity. Test for 24V Output voltage
between wire #14 and wire #02.
Use HMI Diagnostic menu to make sure output P5-5
signal is present.
Replace if defective.
Check continuity. Replace if defective.
Check continuity through coil. Replace if defective.
Check machine limits and reduce weight as
required.
Check Pressure Transducers PT1 and Angle
Transducers AT1 and AT2 functionality
Check wire #60 from Control Module CM1 pin
#P1-8 (overloaded signal)
Test for 24V Output voltage between wire #60 and
wire #02.
Use HMI Diagnostic menu to make sure Output
P1-8 signal is present (pulsed).
Move machine and ONLY use on level surface.
Check Control module CM1 display.
Check Control Module CM1 display screen and
perform Tilt Calibration Procedure ONLY if level has
been checked and needs adjustment
Check Control Module display screen. Use
Diagnostic Menu to see switch and sensor status.
Correct trouble code as displayed. Replace module
if defective.
223198ABA
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