Part No. 62401
Genie S-100 & S-105 & S-120 & S-125
5 - 7
First Edition • First Printing
Section 5 • Troubleshooting Flow Charts
Diagnostic code displayed
Condition
Possible Causes
Solution
FAULT CODE CHART
Continued on next page
DRIVE JOYSTICK VALUE TOO
HIGH
Drive functions inoperative.
Damaged circuit between platform
control card and drive joystick or
Joystick may need to be replaced.
Refer to charts 39 and 40 to
troubleshoot.
DRIVE JOYSTICK VALUE TOO
LOW
Drive functions inoperative.
Damaged circuit between platform
control card and drive joystick or
Joystick may need to be replaced.
Refer to charts 39 and 40 to
troubleshoot.
DRIVE VALVE NOT CALIBRATED
No movement on Drive forward or
reverse functions until joystick is
moved past half stroke.
Reset propel valve defaults set from
display. Refer to Display module
section.
Calibrate propel thresholds refer to
repair section.
DRIVE VALVE FAULT
Drive forward and drive reverse
functions inoperative.
Drive forward or drive reverse valve
coils circuits open or shorted to
ground or the coils are bad.
Refer to charts 39 and 40 to
troubleshoot.
BRAKE VALVE FAULT
Drive forward or drive reverse
functions inoperative.
Brake valve circuit open or shorted to
ground or coil is bad.
Refer to charts 39 and 40 to
troubleshoot.
MOTOR COIL FAULT
High drive inoperative.
Motor coil circuit open or shorted to
ground or the coil is bad.
Refer to chart 42 to troubleshoot.
AUX PROPEL VALVE FAULT
Auxiliary drive forward or reverse
inoperative (Only seen if Aux. Drive
option is enabled from display. Refer
to display module section.).
Auxiliary propel valve coils circuits
open or shorted to ground or the coils
are bad.
Refer to chart 44 To troubleshoot.
PLATFORM LEVEL TOGGLE
SWITCHES FAULT
Manual platform level inoperative
from platform or turntable controls.
Shorted platform level toggle switch
on the platform control box or shorted
platform level up or down membrane
switch on the turntable membrane
panel.
Refer to charts 25 and 26 to
troubleshoot.
PLATFORM LEVEL SENSOR
DEGREES SHORTED TO 0V
Platform level and boom up/down
functions inoperative.
Open circuit between platform level
sensor and platform control box.
Refer to chart 24 to troubleshoot.
PLATFORM LEVEL SENSOR
DEGREES SHORTED TO 5V
Platform level and boom up/down
functions inoperative.
Shorted circuit between platform level
sensor and platform control box.
Refer to chart 24 to troubleshoot.
PLATFORM LEVEL SENSOR
DEGREES VALUE TOO HIGH
Platform level and boom up/down
functions inoperative.
Damaged circuit between platform
level sensor and platform control box
or platform level sensor may need to
be replaced.
Refer to chart 24 to troubleshoot.
PLATFORM LEVEL SENSOR
DEGREES VALUE TOO LOW
Platform level and boom up/down
functions inoperative.
Damaged circuit between platform
level sensor and platform control box
or platform level sensor may need to
be replaced.
Refer to chart 24 to troubleshoot.
PLATFORM LEVEL VALVE FAULT
Platform level up or platform level
down function inoperative.
Platform level up or platform level
down coils circuits open or shorted to
ground or the coils are bad.
Refer to charts 25 and 26 to
troubleshoot.
PLATFORM ROTATE TOGGLE
SWITCHES FAULT
Platform rotate functions inoperative
from platform or turntable controls.
Shorted platform rotate toggle switch
on the platform control box or shorted
platform rotate CW or CCW
membrane switch on the turntable
membrane panel.
Refer to charts 28 and 29 to
troubleshoot.
PLATFORM ROTATE VALVE
FAULT
Platform rotate CW or CCW
inoperative.
Platform rotate cw or ccw coils
circuits open or shorted to ground or
the coils are bad.
Refer to charts 28 and 29 to
troubleshoot.
JIB UP/DOWN TOGGLE
SWITCHES FAULT
Jib functions inoperative.
Shorted jib toggle switch on the
platform control box or shorted jib up
or down membrane switch on the
turntable membrane panel.
Refer to charts 30 and 31 to
troubleshoot.
Summary of Contents for S-100
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