JLG 24RS Service Manual - Manual (Page 232)

SECTION 6 - JLG CONTROL SYSTEM
6-56 – JLG Lift – 3121287
FUNCTIONS LOCKED OUT -
MACHINE NOT CONFIGURED 9924 The machine is powered up and no model has been selected yet in the
MACHINE SETUP menu Display??? or NO MODEL at Ana-
lyzer MACHINE SETUP menu
MACHINE SETUP->MODEL
NUMBER
No other faults will be reported.
All machine functions are dis-
abled and the engine is not per-
mitted to start. Cycle power to clear the fault.
CURRENT FEEDBACK GAINS
OUT OF RANGE 9944 One or more of the current feedback gains that are calculated and
written to flash memory during manufacturing are detected as
being out of range A gain of 1 is used for the fac-
tory gain(s) that was out of
range; all functions are placed
in Creep mode. Cycle power to clear the fault.
CURRENT FEEDBACK CALI-
BRATION CHECKSUM INCOR-
RECT 9945 The current feedback gains checksum that is calculated and written
to flash memory during manufacturing is detected as being incorrect All machine and engine func-
tions are disabled (i.e., com-
mand engine shutdown and do
not permit start). Cycle power to clear the fault.
MACHINE CONFIGURATION
OUT OF RANGE – CHECK ALL
SETTINGS 9949 The Ground Module has detected an anomaly in stored readings for
the Machine Setup configuration. The Ground Module prompts
the operator to correct the issue
via Analyzer and disable all
functions until stored data in
corrupted area is changed. Cycle Power and change the
Machine Setup data.
LSS CORRUPT EEPROM 9977 The Ground Module is advising that the LSS module has detected
faulty stored parameters. The Ground Module sets the
Platform Load State to Over-
loaded Cycle power to clear the fault.
FUNCTIONS LOCKED OUT -
GROUND MODULE SOFTWARE
VERSION IMPROPER 9979 Ground Module detects a disagreement with internal checks on the
version of software. All machine and engine func-
tions are disabled (i.e., com-
mand engine shutdown and do
not permit start) Cycle power to clear the fault.
GROUND MODULE VLOW FET
FAILURE 9986 Ground Module has determined a hardware fault exists and is unable
to read high-sensing inputs. All machine and engine func-
tions are disabled (i.e., com-
mand engine shutdown and do
not permit start) Cycle power to clear the fault.
1
Annotated DTCs do not flash a numeric code, sound an alarm, and are not stored in annotated DTCs in Logged Help queue (this applies to most DTCs < 0100).
Table 6-5. Fault Code Troubleshooting Information
Help Message DTC Condition Producing DTC
Control System Response or
Machine Condition
Corrective Action/
Operational Requirement
for Function Movement
and/or to Clear Fault