JLG 510AJ Service Manual User Manual
Page 362
SECTION 6 - JLG CONTROL SYSTEM
6-80
– JLG Lift –
3121181
MAIN LIFT PVG VALVE COMMAND
IMPROPER
Main boom lift pvg valve received an invalid command from the con-
trol system.
TOWER LIFT PVG VALVE COMMAND
IMPROPER
Tower boom lift pvg valve received an invalid command from the
control system.
TOWER TELESCOPE PVG VALVE COM-
MAND 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 TIME-
OUT
Tower boom lift pvg valve has not received a position command in
250mS.
TOWER TELESCOPE PVG VALVE TIME-
OUT
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 cal-
ibration.
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 calibration.
MAIN LIFT PVG VALVE SENT UNRECOG-
NIZED FAULT
Main boom lift pvg valve sent an unrecognized fault.
TOWER LIFT PVG VALVE SENT UNREC-
OGNIZED 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 cali-
bration.
TOWER LIFT PVG VALVE PARAMETERS
INCORRECT
The tower lift pvg valves spool data is incorrect. Requires a valve cali-
bration.
TOWER TELESCOPE PVG VALVE PARAM-
ETERS INCORRECT
The tower telescope pvg valves spool data is incorrect. Requires a
valve calibration.
MAIN LIFT PVG VALVE LOCATION
IMPROPER
Main lift pvg valve was hosed wrong or the wiring was incorrect dur-
ing calibration.
TOWER LIFT PVG VALVE LOCATION
IMPROPER
Tower lift pvg valve was hosed wrong or the wiring was incorrect
during calibration.
TOWER TELESCOPE PVG VALVE LOCA-
TION IMPROPER
Tower telescope pvg valve was hosed wrong or the wiring was incor-
rect during calibration.
MAIN LIFT PVG VALVE WIRING INCOR-
RECT
The power wire for the main lift pvg valve is not wired to that valve.
TOWER LIFT PVG VALVE WIRING INCOR-
RECT
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 6-9. Help Fault Codes, Displayed Faults, and Descriptions
Fault Flash
Code
Analyzer Display
Description
Priority