M A E D A Crawler Crane 6.20 TROUBLESHOOTING
5/2020 CC1908S-1 6-111
SEARCHER HOOK
Abnormal phenomenon
Main causes Corrective action
Searcher hook settings are not
displayed on the user settings
screen.
The searcher hook setting on the
monitor is set to "Without
Searcher Hook".
Change the setting to "With
Searcher Hook".
Winch doesn't work.
(When a winch is used)
The searcher hook position
setting on the monitor is not set
to "SHW".
Change the setting to “SHW”.
The searcher hook setting on
monitor is set to "Winch OFF".
Change the setting to “Winch
ON”.
Failure of overwinding detector
Inspection and replacement (★)
Wiring failure
Inspection and repair (★)
Extension and winch up does
not work even though it is not
overwound .
(When a winch is used)
Overwinding detector failure
Inspection and replacement (★)
Damage and tangle of
overwinding detector wire
Inspection, repair and
replacement (★)
Damage of overwinding detector
weight
Inspection and replacement (★)
Wiring failure
Inspection and repair(★)
Overwinding detector does not
activate.
(When a winch is used)
Forgot to replace wiring
Replace the overwinding
detector wiring from the main
hook to the tip of the searcher
hook.
Failure of overwinding detector
Inspection and replacement (★)
Wiring failure
Inspection and repair(★)