Manitowoc Published 12-05-17, Control # 035-23 3-39
18000 SERIVCE/MAINTENANCE MANUAL ELECTRIC SYSTEM
[1] Optional item.
[2] Pump drive faults apply only to current production cranes (pump drives with a circulating oil system).
Table 3-8
Filter Fault Indication
LOAD PIN Load drum operation will stop. Load pin voltage not within 0.5 - 9 volts.
LUFFING JIB ANGLE SENDER [1] All functions operable, but JIB 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.
MAST SYSTEM Mast operation with boom hoist will stop. Boom or accessory transducer voltage less
than 0.6 volts.
PUMP DRIVE PRESSURE LOW [2] Does not affect operation. Shut down
and correct cause as soon as possible to
prevent gear or bearing damage.
Gear oil pressure below 5 psi (0,34 bar).
Check pump for proper operation. Check
pump drive oil level.
PUMP DRIVE TEMP HIGH [2] Does not affect operation. Shut down
and correct cause as soon as possible to
prevent gear or bearing damage.
Gear oil temperature above 250°F (121°C).
Check oil cooler for proper operation. Check
pump drive oil level.
SUPERCHARGE PRESSURE
(Prior to S/N 18001082)
Does not affect operation. Shut down
and correct cause as soon as possible to
prevent pump cavitation.
Accessory pressure at pressure switch
(suction manifold) is less than 15 psi (1 bar).
Check hydraulic accessory system.
WIRELESS SYSTEM Wireless load link sensing fault. See wireless link information in Rated
Capacity Indicator/Limiter manual.
EXTERNAL VAC Does not affect operation. Disconnect
external power supply cable.
External power supply cable connected to
crane when attempting to swing.
Display Reading Function Response Cause of Fault
FILTER FAULT
INDICATION
RETURN FILTER 1
AFFECTED
RETURN FILTER 2
AFFECTED
RETURN FILTER 3
AFFECTED
FILTER FAULT 1 X
FILTER FAULT 2 X
FILTER FAULT 3 XX
FILTER FAULT 4 X
FILTER FAULT 5 XX
FILTER FAULT 6 XX
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