How To Calibrate The Joystick - Terex Genie GR-20J Service Manual

Service Manual
Platform Controls
How to Calibrate a Joystick How to Cali brat e th e Joys tick
Calibration of the joystick is essential for safe
machine operation. The joystick on this machine
utilize Hall Effect technology for proportional
control. If a joystick is disconnected or replaced, it
must be calibrated before operating the machine.
1 Turn the key switch to platform control and
pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
Note: Rotate the red Emergency Stop button at
platform control one quarter turn in a clockwise
direction to restore the power supply. The red
Emergency Stop button returns automatically to
the out, or on position.
2 Simultaneously press and hold all three
function buttons for 3 seconds.
Result: A beep sounds and three function
indicator lights will flash one after another.
3 Simultaneously press and hold the drive
function and jib boom function buttons for
3 seconds.
Result: All three function indicator lights will
stop flashing.
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4 Move the joystick fully to the left, then return
the joystick to the neutral position.
Note: Do not squeeze or activate the joystick
function enable switch. No machine function
should operate while performing the joystick
calibration procedure.
1 joystick function enable switch
2 thumb rocker switch
3 joystick
4 jib boom function button
5 lift function and turntable rotate function
6 drive function button
7 function indicator lights
8 red Emergency Stop button
5 Move the joystick fully to the right, then return
the joystick to the neutral position.
6 Move the joystick fully to the rear, then return
the joystick to the neutral position.
7 Move the joystick fully to the front, then return
the joystick to the neutral position.
8 Press and hold the drive function button for
3 seconds.
Result: All three function indicator lights will
flash three times. Joystick calibration is
complete.
GR ™ -20J • GR ™ -26J
button
Part No. 1312899GT
March 2022