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- 9 -
5
Electrification of
machine casing.
1.The ground is faulty or
ungrounded.
2.Ground the internal
conductor with the housing.
1.Check and repair the
ground cable.
2.Check and repair the
internal cables.
6
The limit
mechanism is
faulty and the
lifting instruction is
contrary to the
execution result.
Improper operation caused
the wire rope to reverse wrap
around the drum.
Press the lift switch to
make the hook drop to
the bottom and the
wire rope completely
out of the rope barrel,
and then start the
normal work.
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