D7x11 Series II Navigator Directional Drill Overview 30-7
LOSS OF REMOTE TRANSMITTER SIGNAL
A loss of signal indicates that the remote transmitter and machine are not communicating with
each other. Reasons for a loss of signal are:
• Remote transmitter is too far away from the machine. Range is up to 3300 ft (1 km).
• Remote transmitter signal is blocked by an obstruction between the transmitter and machine.
• Transmitter battery is fully discharged.
• Remote transmitter is turned on when machine is off.
• The system is not operating correctly.
NOTE: Range of signal can be significantly affected by any obstructions, such as buildings or
equipment, located between the remote transmitter and machine.
When a loss of signal occurs in LOCKOUT mode and the Run Button is pressed, light (1) will flash
yellow and the system will remain in LOCKOUT mode. If in RUN mode, yellow light will flash and
the system will continue to allow drill operation. If Lockout Button is pressed, a “failure to lock
out” signal is given.
REMOTE LOCKOUT INDICATORS
Refer to the Controls section, “Remote Lockout Indicators,” page 20-6, for a table illustrating all Remote Lockout
system indicators.
Fault Check/Processing Lights
When green and/or yellow lights are flashing without the buzzers sounding, the system is processing a
transition from one mode to another.
Green light flashing on remote transmitter and machine console indicates that a lockout request is in process
and has not yet been confirmed.
Yellow light flashing on remote transmitter indicates that the remote transmitter is out of range; no radio
communication is occurring between remote transmitter and machine.
Refer to “Troubleshooting” section in Maintenance Manual for more information.
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