Service and Repair Manual June 2021
Platform Controls
18 GS
â„¢
-84 • GS
â„¢
-90 Part No. 1306587GT
Platform controls
The platform controls, used to activate machine
functions from the platform or while standing on
the ground, contain a printed circuit board,
joystick, decal membrane pad, buttons and LEDs.
All of these components are replaceable.
The function speed parameters in the Electronic
Control Module are easily adjusted by moving the
joystick, pressing a button or activating a toggle
switch in a specific order when the ECM is in the
programming mode (PS showing in the diagnostic
display window).
For further information or assistance, consult
Genie Product Support.
1 alarm H1
2 red Emergency Stop button P2
3 joystick controller JC1
4 circuit board U3
5 platform up/down and outrigger
up/down toggle switch TS21
1-1
Circuit Board
How to Remove the Platf orm Controls Circui t Board
How to Remove the Platform
Controls Circuit Board
1 Push in the red Emergency Stop button to the
off position at both the ground and platform
controls.
2 Loosen the platform control box lid retaining
fasteners. Open the control box lid.
3 Visually locate the circuit board mounted to
the inside of the platform control box lid.
4 Secure the control box lid in a level position.
5 Tag and disconnect the wire connectors from
the red Emergency Stop button.
6 Tag and disconnect the wire harness
connectors from the platform controls circuit
board.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
Component damage hazard.
Electrostatic discharge (ESD)
can
damage
printed circuit board
components. Maintain firm
contact with a metal part of the
machine that is grounded at all
times when handling printed
circuit boards OR use a
grounded wrist strap.
Note: Depress the locking tab to disconnect the
wire harness from the circuit board.
7 Carefully remove the platform controls circuit
board fasteners.
8 Carefully remove the platform controls circuit
board from the platform control box.