JLG G12-55A AccuPlace Service Manual - Manual (Page 207)

9.89 G10-55A & G12-55A AccuPlace
Electrical System
ISP – PRESSURE
SENSOR
VOLTAGE OUT
OF RANGE 4581 ISP controller detects too
low or high voltage from
Pressure Sensor 1 or 2. N Cycle power to clear DTC; if DTC still
present, replace controller (Refer to
Section 8.8.11, “Valve Controllers.”).
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
LIFT VALVE –
PRESSURE TOO
HIGH 4582 Lift valve controller detects
too high pressure from
Pressure Sensor 1 or 2. N Cycle power to clear DTC; if DTC still
present, remove controller and clean
around pressure transducers. Ensure
transducer gaskets are in place and
reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”). If
fault is still present, controller replacement
is required.
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
Removing controller may cause cylinder
leakage. Brace/block boom before
removing controller.
TELESCOPE
VALVE –
PRESSURE TOO
HIGH 4583 Tele valve controller detects
too high pressure from
Pressure Sensor 1 or 2. N Cycle power to clear DTC; if DTC still
present, remove controller and clean
around pressure transducers. Ensure
transducer gaskets are in place and
reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”). If
fault is still present, controller replacement
is required.
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
Removing controller may cause cylinder
leakage. Brace/block boom before
removing controller.
FORK VALVE –
PRESSURE TOO
HIGH 4584 Fork valve controller detects
too high pressure from
Pressure Sensor 1 or 2. N Cycle power to clear DTC; if DTC still
present, remove controller and clean
around pressure transducers. Ensure
transducer gaskets are in place and
reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”). If
fault is still present, controller replacement
is required.
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
Help Message
1
DTC Fault Condition
(for configurable items,
fault applies only if
configured)
Fault
Requires
AccuPlace
Reset?
Action(s)