JLG 510AJ Service Manual - Manual (Page 349)

SECTION 6 - JLG CONTROL SYSTEM
3121181 – JLG Lift – 6-67
Table 6-9. Help Fault Codes, Displayed Faults, and Descriptions
Fault Flash
Code
Analyzer Display 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
FSW OPEN A drive or boom function has been selected but footswitch is open.
RUNNING AT CREEP – CREEP SWITCH
OPEN All function speeds limited to creep. Creep switch is open.
RUNNING AT CREEP – TILTED AND
ABOVE ELEVATION All boom function speeds limited to creep. Vehicle is tilted and
above elevation.
RUNNING AT CUTBACK – OUT OF
TRANSPORT POSITION Drive speed is limited to “ELEVATED MAX” because the vehicle is out
of transport position.
CHASSIS TILT SENSOR OUT OF RANGE Chassis tilt sensor has indicated a tilt angle greater than 19 degrees
for more than 4 seconds. Not reported during 2 second power-up.
LOAD SENSOR READING UNDER
WEIGHT The load sensor is reading 20% or more under the calibrated zero
point. This fault may occur if the basket is resting on the ground. Not
reported during 2 second power-up.
ENVELOPE ENCROACHED – HYDRAU-
LICS SUSPENDED Only occurs on machines with envelope control. The system has
detected an envelope violation
OVER MOMENT – HYDRAULICS SUS-
PENDED Only occurs on machines with moment control. The system has
detected an over moment violation.
UNDER MOMENT – HYDRAULICS SUS-
PENDED Only occurs on machines with moment control. The system has
detected an under moment violation.
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 footswitch inputs have read the same state for more than
one second. An EMS cycle is required.
KEYSWITCH FAULTY Both platform and ground modes are selected simultaneously