41
W301-0411E
Chapter B
Chapter B
User Mode
3.3.2 Warning Code (ex.: GR-750XL-2, GR-1000XL-2)
[Warning code]
Buzzer
Cause
Remedy
Ordinary bar graph display
(no warning code)
Alarm buzzer:
Intermittent sound
(low tone)
Load moment ratio is
90% or more and less
than 100%.
Carefully monitor the
load ratio.
[W0015]
Overwind
(twoblocking) alarm
buzzer:
Tremolo sound
The stop function is
canceled with the
anti-twoblock disable
switch while the hook
block is overwound
(twoblocking).
Unwind the winch or
retract the boom to
lower the hook block.
R/F
R/R
L/F
[W0001]
[W0002]
[W0003]
[W0004]
Outrigger beams
are retracted
during crane
operation
L/R
[W0057]
[W0058]
[W0059]
[W0060]
An outrigger beam
retracts during crane
operation, and the
performance (lifting
capacity) changes to
the one with smaller
extension width of
outriggers.
Extend the outrigger
again, and insert the pin.
Then, register the
outrigger state again.
[W0013]
The state of front
position detector switch
and actual swing angle
do not agree.
Inspect and maintain the
crane.
[W0016]
[W0017]
•
Crane operation state
goes out of the states
that are registered to
the AML.
•
An operation state
with no capacity rated
is registered to the
AML.
•
Register the operation
state again.
•
For on-rubber
operation, retract the
boom to the capacity
range.
[W0018]
[W0019]
The state of the boom
full retraction detector
switch and actual boom
length do not agree.
Inspect and maintain the
crane.
[W0056]
The outriggers are
unequally extended,
and further swing
operation causes
overloading.
Swing in the opposite
direction, or retract or
raise the boom.
[W0078]
AML built-in buzzer:
beep-beep-beep
(Short beeps repeat
for 3 seconds. )
The state of the
counterweight mounted
on the crane does not
agree with the state of
registration on the AML.
•
Register the state of
counterweight on the
AML.
•
Never operate a crane
while counterweight is
dismounted.
