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B - 6 Do Output Control

6.1 Cause for AML automatic stop output

The AML automatic stop output is an output to drive the solenoid of unload valve for main pumps circuit. ON is output during crane operation, and OFF is output while the operation is being stopped. Once the operation is stopped, in order to prevent the repetition of detection signal (stop <=> operation), the unload status is maintained for 2 seconds even after the stop condition is resolved.

However, during this period of 2 seconds, when an operation is performed only to return to the safe side, the on-load output is performed immediately to allow the return operation to be performed.

In the stop status, a intermitted warning is given using the AML built-in buzzer. At the same time, an error code is displayed on the graphic display.

The causes for stop are as follows:

1 or

(In the case of main winch used for jib) 2