JLG 460SJ Service Manual User Manual
Page 351
SECTION 6 - JLG CONTROL SYSTEM (S/N 61718 TO PRESENT)
3120895
– JLG Lift –
6-35
MAIN LIFT PVG VALVE COMMAND
IMPROPER
Main boom lift pvg valve received an invalid command from the control system.
TOWER LIFT PVG VALVE COMMAND
IMPROPER
Tower boom lift pvg valve received an invalid command from the control sys-
tem.
TOWER TELESCOPE PVG VALVE
COMMAND IMPROPER
Tower boom telescope pvg valve received an invalid command from the control
system.
MAIN LIFT PVG VALVE TIMEOUT
Main boom lift pvg valve has not received a position command in 250mS.
TOWER TELESCOPE PVG VALVE
TIMEOUT
Tower boom lift pvg valve has not received a position command in 250mS.
TOWER TELESCOPE PVG VALVE
TIMEOUT
Tower boom telescope pvg has not received a position command in 250mS.
MAIN LIFT PVG VALVE SETUP FAULT
Main boom lift pvg valve setup data is incorrect. Requires a valve calibration.
TOWER LIFT PVG VALVE SETUP
FAULT
Tower boom lift pvg valve setup data is incorrect. Requires a valve calibration.
TOWER TELESCOPE PVG VALVE
SETUP FAULT
Tower boom telescope pvg valve setup data is incorrect. Requires a valve cali-
bration.
MAIN LIFT PVG VALVE SENT UNREC-
OGNIZED FAULT
Main boom lift pvg valve sent an unrecognized fault.
TOWER LIFT PVG VALVE SENT
UNRECOGNIZED FAULT
Tower boom lift pvg valve sent an unrecognized fault.
TOWER TELESCOPE PVG VALVE
SENT UNRECOGNIZED FAULT
Tower boom telescope pvg valve sent an unrecognized fault.
MAIN LIFT PVG VALVE PARAMETERS
INCORRECT
The main lift pvg valves spool data is incorrect. Requires a valve calibration.
TOWER LIFT PVG VALVE PARAME-
TERS INCORRECT
The tower lift pvg valves spool data is incorrect. Requires a valve calibration.
TOWER TELESCOPE PVG VALVE
PARAMETERS INCORRECT
The tower telescope pvg valves spool data is incorrect. Requires a valve cali-
bration.
MAIN LIFT PVG VALVE LOCATION
IMPROPER
Main lift pvg valve was hosed wrong or the wiring was incorrect during calibra-
tion.
TOWER LIFT PVG VALVE LOCATION
IMPROPER
Tower lift pvg valve was hosed wrong or the wiring was incorrect during calibra-
tion.
TOWER TELESCOPE PVG VALVE
LOCATION IMPROPER
Tower telescope pvg valve was hosed wrong or the wiring was incorrect during
calibration.
MAIN LIFT PVG VALVE WIRING
INCORRECT
The power wire for the main lift pvg valve is not wired to that valve.
TOWER LIFT PVG VALVE WIRING
INCORRECT
The power wire for the tower lift pvg valve is not wired to that valve.
TOWER TELESCOPE PVG VALVE
WIRING INCORRECT
The power wire for the tower telescope pvg valve is not wired to that valve.
Table 6-3. Help Fault Codes, Displayed Faults, and Descriptions - S/N 66995 to Present
Fault Flash
Code
Communicated (Displayed on
Analyzer) Fault
Description
Priority