15. IF ANY FAILURE IS SUSPECTED OPERATION
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15. IF ANY FAILURE IS SUSPECTED
15.1 RADIO CONTROL OPERATION
15.2 ON-BOARD OPERATION (ONLY PROBLEMS RELATED TO
RADIO CONTROL)
15.3 REPORTING FAILURE
If any failure occurs on the basic machine or radio control unit, please inform the machine serial No., engine serial
No., and the service meter reading.
● The machine serial No. and engine serial No. are given on the service warranty and nameplate.
● See the explanation of the components for details of the service meter.
Problem Probable cause Remedy
Transmitter pilot lamp does not
flash
● Dead battery ● Install charged battery
Engine does not start
● Transmitter key switch is not
turned
● Emergency stop switch has
not been canceled
● Parking lever is not released
(raised)
● Drop in battery voltage
● Turn to position 1
● Pull switch to cancel
● Release lever (raise)
● Charge or replace battery
Work equipment does not move,
machine does not travel
● Transmitter key switch not
turned to 2nd stage
● Turn to START position (hold in
position for approx. 1 sec.)
Engine suddenly stopped
● Engine has run out of fuel
● Dead battery
● Reception error
● Radio control/on-board switch
has changed to ON-BOARD
● Disconnected, damaged elec-
trical relay
● Add fuel
● Install charged battery
● Check location of interference
● Check radio wave distance
● Check around selector switch
● Install, replace relay
Problem Probable cause Remedy
Engine suddenly stopped
● Radio control/on-board switch
has changed to ON-BOARD
● Check around selector switch
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