JLG G12-55A AccuPlace Service Manual - Manual (Page 209)

9.91 G10-55A & G12-55A AccuPlace
Electrical System
LIFT VALVE –
TEMPERATURE
DISAGREEMENT 4590 Lift valve controller detects
both Temperature Sensors 1
and 2 out of range or their
readings differ by more than
20° C. N Cycle power to clear DTC; if DTC still
present, controller replacement required.
Ensure transducer gaskets are in place
and reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”).
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
Removing controller may cause cylinder
leakage. Brace/block boom before
removing controller.
TELESCOPE
VALVE –
TEMPERATURE
DISAGREEMENT 4591 Tele valve controller detects
both Temperature Sensors 1
and 2 out of range or their
readings differ by more than
20° C. N Cycle power to clear DTC; if DTC still
present, controller replacement required.
Ensure transducer gaskets are in place
and reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”).
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
Removing controller may cause cylinder
leakage. Brace/block boom before
removing controller.
FORK VALVE –
TEMPERATURE
DISAGREEMENT 4592 Fork valve controller detects
both Temperature Sensors 1
and 2 out of range or their
readings differ by more than
20° C. N Cycle power to clear DTC; if DTC still
present, controller replacement required.
Ensure transducer gaskets are in place
and reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”).
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
ISP –
TEMPERATURE
DISAGREEMENT 4593 ISP controller detects both
Temperature Sensors 1 and
2 out of range or their
readings differ by more than
20° C. N Cycle power to clear DTC; if DTC still
present, controller replacement required.
Ensure transducer gaskets are in place
and reinstall/torque in sequence (Refer to
Section 8.8.11, “Valve Controllers.”).
CAUTION: HIGH OIL PRESSURE
WITHIN VALVE AND CONTROLLER.
LIFT VALVE –
TEMPERATURE
TOO HIGH 4594 Lift valve controller detects
oil temperature greater than
100° C N Oil is near highest recommended
operating temperature; slightly reduced
machine duty cycle is recommended.
TELESCOPE
VALVE –
TEMPERATURE
TOO HIGH 4595 Tele valve controller detects
oil temperature greater than
100° C N Oil is near highest recommended
operating temperature; slightly reduced
machine duty cycle is recommended.
Help Message
1
DTC Fault Condition
(for configurable items,
fault applies only if
configured)
Fault
Requires
AccuPlace
Reset?
Action(s)