Section 3 • Scheduled Maintenance Procedures
Part No. 96316
GS-30 • GS-32 • GS-46
3 - 27
April 2006
REV C
1 Locate the lift valve coil on the function
manifold.
5 Fully raise the platform. Release the toggle
switch.
Result: The alarm should sound.
Result: The alarm does not sound. Calibrate the
platform overload system. Refer to Repair
Procedure 11-1,
Calibrate the Platform
Overload System (if equipped).
6 Using the manual lowering knob, lower the
platform to the stowed position.
7 Disconnect the two blue/black wires of the
manifold wire harness at the lift valve coil on the
manifold.
8 Securely connect the black and white wires of
the up limit switch wire harness to the two
blue/black wires of the manifold wire harness at
the lift valve coil on the manifold.
9 Fully raise the platform. Release the toggle
switch.
Result - models with software revision A0 and
A1: The alarm should not sound and fault code
54 should be present in the diagnostic display.
The system is functioning correctly.
Result - models with software revision A2 and
higher: The alarm should not sound. The
system is functioning correctly.
Result - all models: The alarm sounds. The
system is not functioning correctly.
Troubleshoot the limit switch, limit switch wire
harness or limit switch mount bracket OR the
platform overload system needs to be
calibrated. Refer to Repair Procedure 11-1,
Calibrate the Platform Overload System
(if equipped).
Note: To determine the software revision level,
refer to Repair Procedure
1-2,
How to Determine the Revision Level.
10 Lower the platform to the stowed position.
CHECKLIST
C
PROCEDURES
a
test port
b
lift valve coil
2 Tag and disconnect the black and white wires of
the up limit switch wire harness from the
blue/black wires of the manifold wire harness at
the lift valve coil on the manifold.
3 Securely connect together the terminals of the
two blue/black wires of the manifold wire
harness, disconnected from the limit switch wire
harness in step 2.
4 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both the ground and platform
controls.
• GS-1532
• GS-1932
• GS-2032
• GS-2632
• GS-2046
• GS-2646
• GS-3246
b
a
b
a