ELECTRIC SYSTEM 18000 SERIVCE/MAINTENANCE MANUAL
3-38
Published 12-05-17, Control # 035-23
Table 3-7 System Faults
Listed below are faults which turn on the system fault alert (red light and beeper). When the alert comes on, the SYSTEM
FAULT group of the digital display indicates which fault has occurred; take corrective action. The beeper sounds intermittently.
Display Reading Function Response Cause of Fault
BATTERY VOLTAGE LOW Correct cause for low voltage to prevent
faulty crane operation.
Battery voltage below 18 volts.
BOOM ANGLE SENDER All functions operable, BOOM ANGLE
and BOOM TO LUFF JIB ANG display
will be faulty; correct cause of angle
sender fault as soon as possible.
Sender output voltage 0 volts or above 9.7
volts. Fault not active when crane is in
SETUP mode.
CRANE LEVEL SENSOR Jacking ALL switch inoperable. Crane is
4.7 degrees out of level
Use individual jacking switches to level
crane.
DISABLED DIG OUTPUT Affected system not operating properly.
Correct cause of fault as soon as
possible.
Electric signal interrupted between computer
node and output device (i.e.: faulty brake
solenoid or broken wire).
ENGINE OIL PRESSURE LOW Does not affect operation. Correct cause
of low oil pressure as soon as possible to
prevent engine damage.
Oil pressure below 15 psi (1,0 bar).
ENGINE TEMP HIGH Does not affect operation. Correct cause
of overheating as soon as possible to
prevent engine damage.
Engine coolant temperature above 205°F
(96°C).
FILTER FAULT 1 or 2 All functions operable. Replace charge
filter 1 or 2 as soon as possible. Cranes
prior to S/N 18001082.
Filter is dirty.
FILTER FAULT 4 All functions operable. Replace return
filters as soon as possible. Cranes prior
to S/N 18001082.
Filter is dirty.
FILTER FAULT 1 All functions operable. Replace return
filter 2 as soon as possible. Crane S/N
18001082 and newer. See Table 3-8
.
Filter is dirty.
FILTER FAULT 2 All functions operable. Replace return
filter 3 as soon as possible. Crane S/N
18001082 and newer. See Table 3-8
.
Filter is dirty.
FILTER FAULT 4 All functions operable. Replace return
filter 1 as soon as possible. Crane S/N
18001082 and newer. See Table 3-8
.
Filter is dirty.
FILTER FAULT 8 Oil flow through suction filter inside
hydraulic tank blocked.
Remove blockage or hydraulic pumps will be
damaged from cavitation.
FUEL LEVEL SENSOR Five percent fuel remaining in tank.
Does not affect operation.
Fill tank as soon as possible to prevent
engine stoppage.
HYDRAULIC FAN Tier 4 engine. Does not affect operation.
Correct cause of fault as soon as
possible to prevent engine or hydraulic
system from overheating.
Fan system pressure below 500 psi (34 bar).
HYDRAULIC FLUID LEVEL LOW Does not affect operation. Fill tank as
soon as possible.
Hydraulic oil at CAUTION LOW LEVEL
indicated on tank gauge.
HYDRAULIC FLUID TEMP LOW Reduce loads and/or speeds to allow oil
to warm.
Oil temperature in hydraulic tank is below
40°F (4°C).
HYDRAULIC FLUID TEMP HIGH Does not affect operation. Reduce loads
and/or speeds to allow oil to cool.
Oil temperature in hydraulic tank above
180°F (82°C).
To Next Page
Loading...
