Tadano TM-2000-1, Service Manual

Page: 156 / 194

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Measures for Emergency Case
15
W307-0051E
3. Troubleshooting Guide
First check the following when a problem occurs during the radio-control operation.
Trouble Checkpoints Measures
Power LED does not light
up.
• Are batteries inserted?
• Are batteries inserted in the
correct manner?
• Are batteries exhausted?
• Insert batteries.
• Insert batteries in the correct manner.
• Replace batteries.
Power LED flashes. Are batteries exhausted? Replace batteries
After the power is turned on,
four LEDs flash.
• Was the power turned on while
the switch on the transmitter
was operated?
• Was the power turned on while
the speed control lever was
pulled?
• After releasing your finger from the
switch, turn on the power.
• After releasing your finger from the
speed control lever, turn on the power.
The power of the transmitter
spontaneously turned off.
• When no operation is made for
approximately one hour, the
power of the transmitter is
automatically turned off to save
battery consumption.
• Turn on the power again.
The power is turned off
during the radio-control
operation.
• When the motion selection
switch is under operational
state continuously for
approximately five minutes,
transmission from the
transmitter is automatically cut
off to prevent accidents.
• After confirming that the motion
selection switches are returned to the
neutral positions, turn on the power
again.
The accelerator cannot be
revved up.
• Is the low-speed mode (with the
speed mode LED lighting in
red) selected?
• Change to the medium-speed or
high-speed mode.
Batteries are exhausted in a
short time
• Battery longevity is shortened
under the conditions with
extremely cold temperatures.
• Replace batteries.
The crane stops with
two-tone sound.
• Are cables of the reception unit
or control unit loose?
• Is the crane used in the
situation as shown on the next
page?
• Connect the cable properly.
• Refer to the next page.