JLG 800A_AJ Service Manual - Manual (Page 395)

SECTION 6 - JLG CONTROL SYSTEM (S/N 0300065534 TO PRESENT)
3120858 – JLG Lift – 6-63
9920 PLATFORM SENSOR REF VOLTAGE OUT OF RANGE
9921 GROUND MODULE FAILURE - HIGH SIDE DRIVER CUTOUT FAULTY
9922 PLATFORM MODULE FAILURE - HWFS CODE 1
9923 GROUND MODULE FAILURE - HWFS CODE 1
9924 FUNCTIONS LOCKED OUT - MACHINE NOT CONFIGURED
9944 CURRENT FEEDBACK GAINS OUT OF RANGE
9945 CURRENT FEEDBACK CALIBRATION CHECKSUM INCORRECT
Table 6-9. Analyzer Fault Code Listing
DTC Analyzer Text