Oshkosh JLG 400S, Service And Maintenance Manual

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SECTION 6 - JLG CONTROL SYSTEM (S/N 61718 TO PRESENT)
6-20 – JLG Lift – 3120895
Table 6-2. Help Fault Codes, Displayed Faults, and Descriptions - Prior to S/N 66995
Fault Flash
Code
Communicated (Displayed on
Analyzer) Fault
Description Priority
None No flash code is indicated for the following help messages. They are intended to hint at a possible problem
if the vehicle is not behaving as expected. 1
EVERYTHING OK The “normal” help message in platform mode
GROUND MODE OK The “normal” help message in ground mode
DRIVING AT CREEP - TILTED Drive speed is limited to creep because the vehicle is tilted.
FSW OPEN A drive or boom function has been selected but footswitch is open.
RUNNING AT CREEP - CREEP
SWITCH OPEN All function speeds are limited to creep because the creep switch is
open.
RUNNING AT CREEP - TILTED
AND ABOVE ELEVATION All function speeds are limited to creep because the vehicle is tilted
and above elevation.
RUNNING AT CUTBACK - ABOVE
ELEVATION Drive speed is limited to “ELEVATED MAX” because the vehicle is
above elevation.
TESTS ACTIVE – RECYCLE EMS
TO END The system tests have been activated; normal vehicle operation is
not allowed.
1/1 Flash code 1/1 indicates a “sleep” mode.
NOT REQUIRED
2/1 Flash code 2/1 indicates problems with footswitch. 2
FSW FAULTY The two foot switch signals do not agree. EMS recycle required.
KEYSWITCH FAULTY Both platform and ground modes are selected simultaneously
2/2 Flash code 2/2 indicates problems with drive & steer selection. 3
DRIVE JOYSTICK FAULTY The drive joystick center tap is out of valid range, or the wiper is wire-
off.
DRIVE LOCKED – JOYSTICK
MOVED BEFORE EMS/FSW Drive was selected before and during footswitch closure.
FSW INTERLOCK TRIPPED Footswitch was closed for seven seconds with no function selected.
STEER LOCKED – SELECTED
BEFORE EMS/FSW Steer was selected before and during footswitch closure.
STEER SWITCHES FAULTY Both steer switches are active together.
WAITING FOR FSW TO BE OPEN Footswitch was closed when platform mode was selected.
JOYSTICK FAULTS – CHECK
PLATFORM BOX WIRING More than one of the drive, lift, and swing joystick center tap or wiper
voltages is out of range. This is probably due to a short-circuit across
a joystick pot.