Manitowoc Published 11-20-19, Control # 234-19 3-51
MLC300 OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Transducer Fault
In the setup mode, this limit stops operation if there is a transducer fault. Troubleshoot the hydraulic
system using the screens in the Main Display to determine the faulty transducer. Take corrective action to
correct the fault.
Travel on Grade with VPC Unlocked (only for a crane without VPC-MAX)
This limit prevents travel on a grade greater than 7%. Always lock the VPC counterweight before traveling
onto any grade.
VPC Setup Required
NOTE The VPC setup mode must be ON anytime the boom is suspended and operated out of the
capacity chart.
It is normal for the counterweight to move in or out when the VPC setup mode is on.
This limit prevents the boom from being raised from ground level until the VPC Setup Mode is turned on.
When the boom angle is out of the capacity chart, this limit stops the boom from being lowered until the
VPC setup mode is turned on.
VPC Setup Prohibited
NOTE The VPC setup mode must be OFF anytime the boom is suspended and operated within the
capacity chart.
When the boom angle is within the capacity chart, this limit stops the boom from being raised until the VPC
setup mode is turned off.
VPC Sensor
This limit prevents operation if the VPC has not been properly calibrated or if there is a boom angle or jib
angle sensor fault.
Operating Limit Icon
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