JLG 1250AJP Service Manual - Manual (Page 531)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-99
9975 99 75 LOAD PIN NOT CALIBRATED The Load Pin has not been
calibrated. -1250
9979 99 79 FUNCTIONS LOCKED OUT - GROUND MODULE SOFT-
WARE VERSION IMPROPER Temporary fault for the
telematics project. The
model needs to be a 600S
or 1350S if not this fault will
be generated and Platform
controls will be prevented.
This fault was to insure that
the software will only work
for these two models.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence Fault Message Fault Description Check