REV A
Part No. 96316
GS-30 • GS-32 • GS-46
5 - 3
September 2005
Section 5 • Fault Codes
Fault Code Chart
Fault Code
Problem
Possible Causes
Solution
01
Internal ECM error.
EPROM not programmed.
Replace ECM.
02
ECM/Platform
communication error.
Malfunctioning control cable
OR malfunctioning platform
controls.
Troubleshoot control cable
OR troubleshoot platform
controls.
03
Undefined platform DIP
switch settings.
DIP switch settings
incorrect.
Correct DIP switch settings.
12
Chassis up/down toggle
closed at start up.
Malfunctioning up/down
switch.
Troubleshoot up/down
switch.
18
Pothole guard failure.
Malfunctioning pothole
switch OR obstruction in
pothole guard linkage.
Troubleshoot pothole switch
OR remove obstruction.
19
Limit switch failure.
Malfunctioning limit switch
OR wire disconnected from
limit switch.
Troubleshoot limit switch
OR inspect wire connection.
42
Platform left turn switch
fault.
Malfunctioning steer left
microswitch.
Troubleshoot steer left
microswitch.
43
Platform right turn switch
fault.
Malfunctioning steer right
microswitch.
Troubleshoot steer right
microswitch.
46
Platform drive enable
switch fault.
Malfunctioning drive enable
switch.
Troubleshoot drive enable
switch.
47
Platform joystick fault.
Joystick potentiometer not
centered.
Verify potentiometer setting.
52
Forward coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
53
Reverse coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
54
Up coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
55
Down coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
56
Steer right coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
57
Steer left coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
58
Brake coil fault.
Malfunctioning coil OR wire
disconnected from coil.
Troubleshoot coil OR
inspect wire connection.
59
Series/parallel coil fault.
DIP switch settings are
incorrect.
Troubleshoot and correct
DIP switch settings.
68
Low battery voltage.
Batteries discharged.
Charge batteries.
88
ECM has been erased.
Static strap may be missing
from the machine.
Replace static strap.