Tadano TM-2000-1, Service Manual, Page: 145 / 194

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Configurations of Radio-control System
4 Ｗ
V02-0021E
2.3 Continual operation restriction function
Error is displayed when any of the motion
selection switches is kept in the operation state for
approximately five minutes due to a failure,
trapped dirt or the like.
! Four LEDs on the transmitter flash to show the
failure condition.
! To resume the radio-control operation, turn the
power on once again after confirming the
position of the motion selection switches.
2.4 Instant stop alarm function
If the radio wave from the transmitter is hindered
during the radio-control operations due to
changing surrounding conditions and the like, the
speaker outputs a “beep” alarm.
! Condition of the crane is as follows according
to the number of beeps of the alarm.
(1) “Beep”
The crane continues to work although
there is a warning of poor radio wave
transmission.
(2) “Beep,Beep”
The crane operation stops when two
continual alarms sound.
In either case the warning is of poor radio
wave transmission condition. Take measures
such as reducing the distance between the
transmitter and the communication unit.