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15. IF ANY FAILURE IS SUSPECTED
15. IF ANY FAILURE IS SUSPECTED
15.1 RADIO CONTROL OPERATION
Problem
Transmitter pilot lamp does not
flash
Engine does not start
Work equipment does not move,
machine does not travel
Engine suddenly stopped
15.2 ON-BOARD OPERATION (ONLY PROBLEMS RELATED TO
RADIO CONTROL)
Problem
Engine suddenly stopped
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.
3-32
Probable cause
Dead battery
Transmitter key switch is not
turned
Emergency stop switch has
not been canceled
Parking lever is not released
(raised)
Drop in battery voltage
Transmitter key switch not
turned to 2nd stage
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
Probable cause
Radio control/on-board switch
has changed to ON-BOARD
OPERATION
Remedy
Install charged battery
Turn to position 1
Pull switch to cancel
Release lever (raise)
Charge or replace battery
Turn to START position (hold in
position for approx. 1 sec.)
Add fuel
Install charged battery
Check location of interference
Check radio wave distance
Check around selector switch
Install, replace relay
Remedy
Check around selector switch
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