Manitowoc Grove GRT655L User Manual

OPERATING PROCEDURES GRT655/655L OPERATOR MANUAL
4-44 Published 3-23-2020, Control # 654-04
26
Crane Fault Indicator Indicates there are no crane fault codes.
Crane Fault Active
Indicator (Red)
Indicates there is one or more crane faults. When the indicator
comes on (red), the warning buzzer will sound.
Access the fault codes through the Menu Screen of the ODM (refer
to Menu Screen, page 4-53).
27
Low Boom Angle
Indicator
Indicates the boom is outside the carrier avoidance area.
Low Boom Angle
Indicator (Amber -
Constant On)
Indicates the boom has reached the carrier avoidance area. When
the indicator comes on (amber), the warning buzzer will sound. The
crane system will lock out the boom down and swing left or right
crane functions.
In an emergency situation, a Limit Bypass Switch can be used to
over-ride the crane function lock outs (refer to Operating Controls,
page 3-1 for information on the different bypass switches).
Low Boom Angle
Indicator (Amber -
Flashing))
Indicates the carrier avoidance area lock-out functions are
over-ridden by way of a limit bypass switch.
28
Telescope Lockout
Indicator
Indicates that the pressure in the telescope extend circuit is
acceptable for the given boom length.
Telescope Lockout
Active Indicator (Amber
- Constant On)
Indicates that the pressure in the telescope extend circuit is too high
for the given boom length. The crane control system will reduce the
system pressure and eventually stop the telescope extend function
to protect boom components.
If the boom is not fully extended, the load must be relieved from the
crane before continuing to extend the boom.
29
Third Wrap Indicator
(Optional)
Indicates the number of wraps of rope on the main hoist or auxiliary
hoist (optional) is above the minimum required.
Third Wrap Indicator
(Red)
Indicates the minimum number of wraps of rope required has been
reached on the main hoist, auxiliary hoist (optional), or both. When
the indicator comes on (red), the warning buzzer will sound. The
crane system will lock-out the hoist down and telescope out crane
functions.
Item Description Graphic Explanation

Manitowoc Grove GRT655L Specifications

General

Brand	Manitowoc
Model	Grove GRT655L
Category	Construction Equipment
Language	English