JLG 600A Service And Maintenance Manual page 309

DTC
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
3121201
Table 6-6. Analyzer Fault Code Listing
Analyzer Text
– JLG Lift –
SECTION 6 - JLG CONTROL SYSTEM
6-55