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W301-0411E
Chapter B Chapter B
User Mode
B-3 Alarm and Recovery Operation
NOTIC
Repair/recovery is necessary if any of the events below occurs:
• The warning code other than given here is/are shown.
• The warning code remains even after you register the state that corresponds to the
warning code or perform the recovery operation.
• The crane stops and you cannot operate it.
When any failure occurs or improper operation is performed during crane operation, the buzzer sounds and an
warning code is/are shown to ensure safety and to prevent damage to the machine. Examine the contents of the
warning code, and perform the recovery operation.
3.1 Type of Warning Codes and Buzzer
The warning codes appear on the display panel.
There are 3 types of buzzers, and each buzzer sounds differently according to the cause of the alarm.
Warning codes appear on the display panel.
While the warning code(s) is/are displayed, pushing the < > key opens the pop-up window and displays
the code(s) individuality.
F1 key
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