JLG G12-55A AccuPlace Service Manual - Manual (Page 208)

Electrical System
9.90 G10-55A & G12-55A AccuPlace
ISP – PRESSURE
TOO HIGH 4585 ISP 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.
LIFT VALVE –
TEMPERATURE
SENSOR
VOLTAGE OUT
OF RANGE 4586 Lift valve controller detects
too low or high voltage from
Temperature Sensor 1 or 2. 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
SENSOR
VOLTAGE OUT
OF RANGE 4587 Tele valve controller detects
too low or high voltage from
Temperature Sensor 1 or 2. 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
SENSOR
VOLTAGE OUT
OF RANGE 4588 Fork valve controller detects
too low or high voltage from
Temperature Sensor 1 or 2. 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
SENSOR
VOLTAGE OUT
OF RANGE 4589 ISP controller detects too
low or high voltage from
Temperature Sensor 1 or 2. 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.
Help Message
1
DTC Fault Condition
(for configurable items,
fault applies only if
configured)
Fault
Requires
AccuPlace
Reset?
Action(s)