Loss of GPS lock
If the message appears
Then...
Pre-flight, before ARM
You will not be able to ARM the rover. If the issue does not resolve itself,
cancel the checklist. Disconnect the battery from the rover and redo the
checklist. (See
Unable to arm the system, page 103
.)
Pre-flight, after ARM
If the number of satellites is less than 4, the satellite icon on the
Dashboard
changes to
.
Make sure the GPS antenna has a clear view of the sky.
If the issue persists:
1. Tap
and then tap
to disarm the rover.
The rover should be in standby mode. If it is not, disarm the rover by
pressing the Mode button three times (three flashes) taking care to
avoid the propellers.
2. Tap
and complete the post-flight checklist.
3. Disconnect the battery from the rover and then redo the flight
checklist.
In-flight
The automatic failsafe mechanism is activated. See
.
Communication loss
If the message appears
Then...
Pre-flight, before ARM
There will be communication issues at checklist steps that required
communication between the modem and the eBox. To resolve these
issues:
1. Make sure that the RF antennas are well connected and the
communication link is not obstructed.
2. If the issue does not resolve itself, cancel the checklist. Disconnect
the battery from the rover and redo the checklist.
Pre-flight, after ARM
Do the following:
1. Press the Mode button three times (three flashes) to disarm the
rover. Take care to avoid the propellers.
2. Tap
and complete the post-flight checklist.
3. Make sure that the RF antennas are well connected and the
communication link is not obstructed.
4. Disconnect the battery from the rover and then redo the flight
checklist.
In-flight
The automatic failsafe mechanism is activated. See
.
105
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